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MP-96RD625-01 Hit achi Universal S t orage Plat form V Hitachi Universal Replicator for IBM ® z/OS® User's Guide F AS T F IN D L IN K S Document Organization Product Version Getting He lp Conte.
ii Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
Copyright © 2007 Hitachi Da ta Systems Corporation, ALL RI GHTS RE SERVED Notice: No part of this public ation may be reproduced or transmitted in any form or by any means, electronic or mechanical, .
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Contents v Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Contents Overview of Universal Replicator for IBM z/OS ® ...................................... 1-1 Hitachi Universa l Replicator ..................................................
vi Contents Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Update Copy Operation ............................................................................ 2-20 Journal Group Operati ons ..................................................
Configuring Paths and Po rts to Establish Connections among Secondary Storage Sy stems ......................................................................... 3-22 Creating Remote Command Devices to Establish Connections am ong Secondary Stor age Syst ems .
viii Contents Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Logical Storage System (LDKC) that Can be Connected to TagmaStore USP/NSC .......................................................................................... 3-61 Volume Pair that Can Create Pairs .
When the Power is Removed from Network Relay Devices ..................... 5-24 Turning Off Power Intentionall y ................................................................. 5-24 When You Power Off the Primary Stor age System.....................
x Contents Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Starting and Stopping Usage Mo nitoring ............................................................. 9-3 Displaying the Usag e Monitor Graph........................................
Preface xi Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Preface This document describes and provides instructions for using the Universal Replicator for z/OS ® software to configure and perform operations on the Hitachi Universal Storage Platform V (USP V) storage system.
xii Preface Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Intended Audience This document is intended for system administrators, Hitachi Data Systems representatives, and Authorized Serv ice Prov iders who are involved in installing, configuring, and operating th e Hita chi Universa l Storage Platform V storage system.
Preface xiii Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Document Organization The following table provides an overview of the contents and orga nization of this document. Click the chapter title in the l eft column to go to that chapter.
xiv Preface Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Universal Volume Manager User's Guide , MK-94RD626 • Guideline for the Timeout Menu Setting When Using At-Time Split F.
Preface xv Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide ELECTRIC SHOCK HAZARD! Warns the user of electric shock h azard. Failure to take appropriate precautions (e.g., do not touch) could result in serious injury. ESD Sensitive Warns the user that the hardware i s sens itive to electrostatic discharge (ESD).
xvi Preface Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Comments Please send us your comments on this document. Make sure to include the document title, number, and revision. Pl ease refer to specific section(s) and paragraph(s) whenever possible.
1 Chapter 2 About Universal Replicator Operations 1-1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Overview of Universal Replicator for IBM z/OS ® This chapter provides an overview of th e Hitachi Universal Replicator software and describes its features and benefits.
1-2 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Hitachi Universal Replicator The Hitachi Universal Replicator software inte.
Chapter 2 About Universal Replicator Operations 1-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Features Hitachi Universal Replicator provides the following key features: • Heterogene.
1-4 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Benefits The business benefits of Hitachi Universal Re plicator include: .
Chapter 2 About Universal Replicator Operations 1-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Integrates tightly with other Hitachi software products supporting business continuit.
1-6 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
2 Chapter 3 Preparing for Universal Repl icator z/OS Operations 2-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide About Universal Replicator Operations This chapter provides an overview of U.
2-2 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Functionality Overview Hitachi Universal Replicator represents a unique and outstanding disaster recovery solution for large amount s of data that span multiple volumes.
Chapter 2 About Universal Replicator Operations 2-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primar y site Primar y host Secondar y site Secondar y host Write instr uction Primar y s.
2-4 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Copy Journal copy is the function to copy th e data in the master journal volume at the primary site to the restore journa l volume at the s econdary site.
Chapter 2 About Universal Replicator Operations 2-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide L Co py directi on Remote c opy connection URz volum e pair Host process or at the primar.
2-6 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide L L L Primary s torage sys tem Mast er journal volum e Secondary st orage s.
Chapter 2 About Universal Replicator Operations 2-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide USP V Storage Systems URz operations involve the USP V st orage systems at the primary and secondary sites. The primary storage system consists of the main control unit (primary storage system) and SVP.
2-8 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • The primary storage system is the control unit in the primary storage system which controls the primary data volume of the URz pairs a nd master journal volume.
Chapter 2 About Universal Replicator Operations 2-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Each LDKC controls 255 CUs, however the number of CUs that can be used for USP V program products is up to 255. Therefore, the maximum number of volumes that can be used for USP V program products is 130,560 (65,280 volumes for an LDKC).
2-10 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Initiator Ports and RCU Target Ports The initiator port and the RCU target port are required at both the primary storage system and secondary storage system.
Chapter 2 About Universal Replicator Operations 2-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Volume When URz is used, updates to primary data volumes can be stored in other volumes, which are called journal volumes .
2-12 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide A journal volume consists of two areas: one area is used for storing journal data, and the other area is used for storing metadata for remote copy.
Chapter 2 About Universal Replicator Operations 2-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting journal volumes: You can delete journal volumes under any of the followin g conditions: – When the journal group does not cont ain data volumes (i.
2-14 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal group consists of two or more data volumes and journal volumes.
Chapter 2 About Universal Replicator Operations 2-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-2 Specifications of Extended Consistency Groups Item Specifications The number o.
2-16 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 15:00 14:00 13:00 12:00 15:02 14:02 13:02 12:02 15:03 14:03 13:03 12:03 15.
Chapter 2 About Universal Replicator Operations 2-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • If a pair in Journal g roup 4 is suspended, the consistency time will be 14:04.
2-18 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Error Reporting Communications (ERC) Error reporting communications (ERC), which transfers information between host processors at the primary and second ary sites, is a critical component of any disaster recovery effort.
Chapter 2 About Universal Replicator Operations 2-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Update copy operation • Read and write I/O operations for URz volumes • Secondar.
2-20 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If you manipulate volumes (not journal groups) to create or resynch.
Chapter 2 About Universal Replicator Operations 2-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide This section describes the following journal group operation options available in URz: .
2-22 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Release all pairs in a journal group. See section Deleting Data Volumes from a Mirror (Ending a copy operation) for a description of the De lete Range-Group delete pair option.
Chapter 2 About Universal Replicator Operations 2-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : When you issue the DEVSERV command to the URz secondary data volume, INDETERMINATE FAILING UNIT is returned, if the status of URz secondary data volume is online.
2-24 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : The number of bitmap areas affects the maximum possible number of pairs that can be created in the storage system. For details on the maximum possible number of pairs, see section The Maximum Number of Pairs.
Chapter 2 About Universal Replicator Operations 2-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The journal sequence number indicates the primary data volume write sequence that the primary storage system has created for each j ournal group.
2-26 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: The primary storage system does not remove the target journal data f.
Chapter 2 About Universal Replicator Operations 2-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 2-6 illustrates the journal data selection and settling at the secondary storage system. This diagram shows that journal data S1 arrives at the secondary storage system because the management information indicates 1.
2-28 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Journal data stored in the restore journal volume The journal data is read from the restore journal volume to cache.
Chapter 2 About Universal Replicator Operations 2-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide prim ary host TCz Synchr onous, URz primary site master JN L VOL j ournal obtain seconda.
2-30 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 2-7, a URz pair created with the de lta resync option is defined as a pair but no copy operation is performed (Hold status).
Chapter 2 About Universal Replicator Operations 2-31 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide secondar y subs y s tem secondar y dataVOL restore JNL VOL j ournal rest ore prim ary su.
2-32 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide In Figure 2-8, because a failure occurs in the primary site A, Business Continuity Manager is used to change the form er TCz Synchronous secondary site to the primary site B.
Chapter 2 About Universal Replicator Operations 2-33 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide As shown in Figure 2-8, after delta resync op eration is performed properly and the prim.
2-34 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • URz Pair Status The URz Suspending and Deleting (release) transitional.
Chapter 2 About Universal Replicator Operations 2-35 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-4 URz Data Volume Pair Status Pair Status Description Simplex This volume is no t currently assigned to a URz data volume pair. This volume does not belong in the journal grou p.
2-36 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Suspend Types Table 2-5 lists and describes the URz suspend types, which indicate the reason for the suspension. A URz pair ca n be suspended by the user at any time after the initial copy operation is complete.
Chapter 2 About Universal Replicator Operations 2-37 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-5 Suspend Types Suspend Type Applies to Description Secondary data volume by ope.
2-38 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Group This URz volume pair was suspended along wi th the other pair in its journal gr oup. Update sequence consistency between this secondary data volume and other secondary data volumes in this journal group is ensured.
Chapter 2 About Universal Replicator Operations 2-39 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide After marking these primary data volu me tracks as modified, the primary storage system discards these journal data. This ensures that journal data lost during transmission to the secondary storage system are identified and marked.
2-40 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 2-8 SAID Values for the PATH LINK Parameter (FRONT CL1) Package Loca.
Chapter 2 About Universal Replicator Operations 2-41 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide CL5-F X'004 5' CL5-P X'004D' CLD-K X'00C9' CLD-B X'00.
2-42 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide CL4-D X'0033' CL4-M X'003B' CLC-R X'00BF' CL.
Chapter 2 About Universal Replicator Operations 2-43 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide You can use Storage Navigator to find the command device for Business Continuity Manager.
2-44 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
3 Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Preparing for Universal Replicator z/OS Operations This chapter describes UR.
3-2 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Requirements and Restrictions for URz URz has the following requirements an.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • For distances greater than 30 km (18.6 miles), approved third-part y channel extender products and telecommunications lines are requir ed.
3-4 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Disk Track Format URz supports the following requirements on the disk track format, which must be ensured by the user. URz cannot detect exceptions to these requirements.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Duplicate VOLSER (Volume Serial N umber) When you select Entire as the init.
3-6 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Notes : • The CU emulation type 3990-6, 3990-6E, 2105, or 2107 is required for SMS I/O time stamping of URz journals. If one of these CU emulation types is used, volumes of the 3380 emulation type must not be used.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Minimum volume capacity 1 cylinder 50 cylinders for a non-OPEN-V volume.
3-8 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 3-5 RAID Level Configuration of URz Item Support specifications RAID configuration of data volume and journal volume RAID1 , RAID5, and RAID6 can coexist.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide H6588-L 32,76 0 NF80-E 1,770 NF80-J 88 5 NF80-K 2,655 • The number of the required bitmap areas: The number of bitmap areas to be used by a ll data volumes that form pairs is calculated out of the number of cylinders.
3-10 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The maximum number of pairs = ( ↓ Number of bitmap areas ÷ required number of bitmap areas ↓ ) The ↓ … ↓ symbols enclosing a value indicate that the value should be rounded down to the nearest in teger.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Group The URz journal groups have the following requirements: • Each URz pair must be assigned to one and only one jo urnal group.
3-12 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Accessing URz Primary Data Volume and Secondary Data Volume To ensure maxi.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Installing the Hardware Initial installation of the URz hardwa re is performed by the user and the Hitachi representative. To install the hardware required for U Rz operations: 1.
3-14 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Setting up Remote Copy Connections Figure 3-1 shows the remote copy connection configurations for U Rz operations.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Host (Prim ary) *1 Fabric OF F Host (Secondary) *1 NL _ Port MCU RCU NL _ .
3-16 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Enabling the URz Option(s) To operate the URz software, PC for the USP V Storage Navigator is required.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Prim ar y host Primar y site Master JN L VOL Journal obtain Secon dary sit.
3-18 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide This manual uses the term "arbitration processing", which refers to execution of the journal restore function based on time stamps in an attempt to maintai n data update sequence.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primar y host (can add tim e stamps) Master JN L VOL (3) Secondar y site P.
3-20 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 5. The secondary storage system 1 (i.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Connections Between S e condary Storage Systems If you use more than one primary storage system and more than one secondary storage system, you must establish connections among the secondary storage systems.
3-22 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Configuring Paths and Ports to Esta blish Connections among Secondary Stor.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Interoperability with Othe r Products and Functions Some types of volumes used by non-URz functions can also be used as URz data volumes and/or journal volumes.
3-24 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Functions and Volumes Can the Volumes be Used as Primary Data Volumes? Can the Volumes be Used as Secondary Data Volumes? Can the Volumes be Used as Journal Volumes? M-VOL in Pending duplex status No.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note*21: The volume can be used as a secondary data volume o nly when you restore a URz pair or perform a Business Continuity Manager YKRESYNC REVERSE operation.
3-26 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 3-12 Host Pair Status Reporting for URz/SIz Sh ared Volumes Number o.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Business Continuity Manager allows you to set the starting time of backup copy to journal groups.
3-28 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 3-10 combines the configurations shown in Figure 3-8 and Figure 3-9.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 3. Execute the Business Continuity Manager YKSUSPND FORWARD command on the URz pair to suspend the pair.
3-30 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide URz Primary data volum e Secondary data volume Master journal volum e Rest.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-31 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 3-17 Restoring a SIz S-VOL - Step 6 URz SIz S-VOL T- V O L Primary .
3-32 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Using At-Time Split Function When Combining URz wit h ShadowImage for z/OS.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-33 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The procedure to use the At-Time Split function when you combine URz with ShadowImage for z/OS ® is as follows. The following steps enable y ou to make backup copy at a specified time without suspending URz pairs.
3-34 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – The specified split time is enabled even after the split operation has been executed on SIz pair.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-35 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 3-22 shows an example of a 3DC cascading configuration in which URz and TCz Synchronous are combined. In this configurati on, the volume in the primary site is a TCz Synchronous main vol ume (M-VOL).
3-36 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide As illustrated in Figure 3- 23, if a host in the primary site issues an I/ O request, data will be stored into the TCz Sync hronous M-VOL.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-37 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Hardware Configuration This section explains hardware configuration for a 3DC cascading configuration using TCz Synchronous and UR-z/OS ® .
3-38 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 2. Issue a request for creating a TCz Synchronous pair to the primary subsystem MCU where TCz Synchronous is installed. 3. Wait until the status of the TCz Synchronous pair becomes Duplex .
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-39 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 2. If the TCz Synchronous volume is not in Simplex status, use Business Continuity Manager to execute the YKDELETE command onto the TCz Synchronous pair, and then wait until the status changes to Simplex .
3-40 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Secondary site for URz Master JNL VOL Restore JNL VOL Primary site URz seconda ry site Sec.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-41 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide For detailed information about the hardware configuration required for 3DC multi-target configuration, see the next section.
3-42 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide USP V storage system in the TCz Synchronous secondary site : – The USP V storage system must ha ve TCz Synchronous installed.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-43 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 8. Specify the TCz Synchronous R-VOL in TCz Synchronous secondary site as .
3-44 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Status of the primary data volume is Hold • Using the volume of TCz Synchronous pair as the prima ry data volume If you use TCz Synchronous M-VOL, the pai r status should be Duplex.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-45 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: By specifying an option, you can cop y the whole data in the primary.
3-46 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide M-VOL JNL VOL Restore JNL VOL URz Mast er JNL VOL R-VOL JNL VOL Restore JN.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-47 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Mast er JNL VOL Restore JNL VOL URz Sec.
3-48 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. Create a URz pair that consists of a volume in the primary site and a volume in the URz secondary site.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-49 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The copy direction of the TCz Synchronous pair will be reversed. 2. Stop business tasks at the TCz Synchronous secondary site.
3-50 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide No. If the Status of the Pair in the Primary Site is and the Status of the.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-51 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide R-VOL Prim. dat a VOL Maste r JNL VOL M-V OL Restore JNL VOL Sec. data VOL Maste r JNL VOL TCz Sync. UR M-VOL Maste r JNL VOL R-VOL Prim .
3-52 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide To transfer your business tasks to the URz secondary site, follow the procedure below. Business Continuity Manager is used in this pro cedure: 1.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-53 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide As a result, the former secondary volume in the URz secondary site changes to the primary data volume.
3-54 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide P-VOL/Prm. data VOL Mast er JNL VOL Restore JNL VOL URz Sec. dat a VOL S-VOL JNL VOL P-VOL/Prm. data VOL Mast er JNL VOL Restore JNL VOL URz Sec.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-55 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Planning of Journal Volumes Why Planning is Necessary? Data transfer speed for journal groups is affe cted by specifications of journal volumes that the journal groups use.
3-56 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Data tra nsfer speed between ho sts and the MC U Data tra nsfer speed of j.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-57 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The data transfer speed of a journal volume depends on the data transfer speed of the RAID group that the journal volume belongs.
3-58 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Data tra nsfer speed between ho sts and the MC U Data tra nsfer speed of j.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-59 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Planning Data Transfer Speed before Reversing Dat a Volumes When a failure occurs at a host, one of the fa ilure recovery measures is to reverse the primary data volume and the sec ondary data volume (i.
3-60 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Data tra nsfer speed between ho sts and the MC U Data tra nsfer speed of j.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-61 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • System configuration for remote copy operation by URz from USP V to TagmaStore USP/NSC. • System configuration for remote copy operation by URz from TagmaStore USP/NSC to USP V.
3-62 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide More than one TagmaStore USP/NSC can be connected to LDKC00 of USP V. Note: There are only tw o LDKCs for the current version, which are LDKC00 and LDKC01.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-63 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: The steps to use data volum e pairs in a system configuration that USP V and TagmaStore USP/NSC are connected is the same with the steps to use data volume pairs of USP V.
3-64 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide There are no limitations on the combinations of USP V and TagmaStore USP/NSC secondary storage systems.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-65 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Secondar y EXCTG Secondary data VOL Restore JNL VOL LDKC 00 Secondary data.
3-66 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When the supervisor DKC of the secondary storage system is TagmaStore USP/NSC and the subordinate DKCs are USP V, there are limitations for journal groups that can be registered in the extended consistency group.
Chapter 3 Preparing for Universal Repl icator z/OS Operations 3-67 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Secondar y EXCT G Secondary data VOL Restore JNL VOL LDKC 00 Secondary dat.
3-68 Chapter 3 Preparing for Universal Repl icator z/OS Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
4 Chapter 5 Configuring Storage Systems and Logi cal Paths 4-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Using the Universal Replicator for z/OS® GUI This chapter how to use the Univers.
4-2 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Journal Operation Window To configure journal groups, use the Journal Operation window of URz. To display the Journal Operation window, do either of t he following: • If Universal Replicator for z/OS ha s not been started: a.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Tree : Lists journal groups in the local storage system, which is a storage system you are logged in.
4-4 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Restoring mirrors • Upper-right list : If a master journal group or a restore journal group is selected in the tree, the upper-right list displays a list o f mirrors .
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Stop Either of the following: • An operation for splitting the mirror is finished. • The operation for deleting the mirror is in progress.
4-6 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – List : Displays changes that ha ve been made in the window. When you change settings in the window, the changes will be displayed in the Preview list before the changes are applied to storage systems.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Pair Operation Window To manipulate pairs of primary and secondary data vol umes, use the Pair Operation window.
4-8 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The Pair Operation window displays the following: • Tree : Lists LDKCs and lists CU images under the LDKC in the local storage system ( ).
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : Use the vertical and horizontal scroll bar if the i nformation that you want to view is hidden and invisible. Figure 4-3 The List in the Pair Operation Window – VOL : Indicates volumes in the local storage system.
4-10 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting The primary data volume and th e secondary data volume are not synchronized. This pair is in transition from the Pendi ng, Duplex, or Suspend status to the Simplex status.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Pair JNLG : Indicates the journal group number for the remote storage system. This column is blank if the volume in the loc al storage system is neither a primary data volume nor a secondary data volume.
4-12 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Pair Copy Time on the Detailed Information dialog box shows the amount of time that has been needed from step 3 to the completion of the creating pair operation (i.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Cancel : Cancels settings in the Preview list. Note : Information on the Pair Operation window will be updated when you do one of the following: 2.
4-14 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 4-4 DKC Operation Window The DKC Operation window displays the following: • Display : Changes information in the DKC Operation window.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Apply : Applies settings in the Preview box to the storage systems. • Cancel : Cancels the settings displayed in the Preview box.
4-16 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Controller ID displays the controller ID and the model name of the storage system of a remote storage system. The controller ID is a storage system family ID of a storage system.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Information about Logical Pat hs Logical paths are communication paths that connect the local storage system ports and the remote storage system ports.
4-18 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Information about Ports on the Local Storage System To display information about ports on the local storage system in the DKC Operation window: 1.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide RCU target port initiator port external port. port in initiator/external mix mode • List : Displays ports on the local storage system: – Port displays the port number.
4-20 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Usage Monitor Window The Usage Monitor window (see Figure 4-8) displays the remote copy I/O statistics for all volumes to be monitored on the connected storage system, and displays the status of remote copy usage monitoring.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Monitoring Switch : displays Enable when monitoring is on; displays Disable when monitoring is off. Note: When monitoring is stopped, the usage monitor graph is closed.
4-22 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 4-9 History Window The History window presents: • Status displays the current status of opera tion history: – No history file exists : Operation history does not exist.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • The list displays history of operations on data volume pairs in the connected storage system. The list consists of the following columns: – Operation Date/Time: The date and time when the operation was completed.
4-24 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Status Change by MCU(Suspend to Simplex): The status of the data volume pair was changed from Suspend to Simplex because of an operation from the primary storage system.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Status Change by MCU(Hold to Simplex): The status of the data volume pair was changed from Hold to Simplex because of an operation from the primary storage system.
4-26 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – If a failure occurs with two or more data volume pairs at the same time, only up to two rows showing "Suspe nd Pair(F ailure)" or "Ready for Delta resync(Failure)" will be displayed.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Optional Operation Window The Optional Operation window (see Figure 4-10) allows you to set options.
4-28 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Tree : allows you to select Subsystem , or LDKC .
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide EXCTG Operation Window To make settings on extended consistency groups, use the EXCTG Operation window.
4-30 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 4-11 EXCTG Op eration W indow The EXCTG Operation window displays the following: • Tree : Lists extended consistency groups.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-31 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Extended consistency group, in which journal groups are registered Controller I.
4-32 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When you double-click this item, the tree display LDKCs. When you double-click an LDKC, the tree displays extended consistency groups in which no journal groups are regist ered.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-33 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – To display extended consistency groups in which no jo urnal group is registered, select Free . To display extended consistency groups belonging to an LDKC, select the LDKC from below Free .
4-34 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide This column displays Underflow or Overflow if an invalid time stamp is detected. If Underflow is displayed, the time stamp is below the allowable range.
Chapter 4 Using the Unive rsal Replica tor for z/OS G UI 4-35 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying a List of Journal Grou ps in an Extended Consistency Group The EXCTG Operation window allows you to display a list of journa l groups in an extended consistency group.
4-36 Chapter 4 Using the Unive rsal Replica tor for z/OS G UI Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
5 Chapter 5 Configuring Storage Systems and Logi cal Paths 5-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Configuring Storage Systems and Logical Paths This chapter explains how to config.
5-2 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Reviewing Storage System and Logical Paths To introduce Universal Replicator f.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : Throughout this chapter, the primary and the sec ondary storage systems are sometimes referred to as local storage systems or remote storage systems .
5-4 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 5. Select the DKC radio button on the DKC Operation window to display the Add DKC window.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Configuring Port Attributes The administrator at both the primary site a nd the .
5-6 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide WARNING: Before changing a Fibre Channel port to an initiator port, disconnect.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide WARNING: Read and follow the important warnings and c aution above before applying the port attribute changes. 8. Select Apply to apply port attribute changes to the storage system.
5-8 Chapter 5 Configuring Storage S y stems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Configuring Storage System Options The Optional Operations window allows you to change storage system option settings To change the option setti ngs of the storage system: 1.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Activities: The number of volumes that can be copied concurrently during an initial copy operation.
5-10 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Establishing the Relationship between Primary and Secondary Storage Systems (Ad.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The path group ID is w ithin the rang e of 1-FF (hexadecimal). Up to 64 path group IDs can be registered per storage system. Note : In the current version, t he path group IDs always take the default values and cannot be changed.
5-12 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-3 Add DKC Window The Add DKC window displays the following: • S/N : allows you to enter the five-digit serial number of the remote storage system.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Changing Options for Logical Paths and Storage Systems The DKC Option window (see Figure 5-4) allows you to set the logical path options and storage system options.
5-14 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-4 DKC Option Window The DKC Option window displays the following: • .
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Adding Logical Paths The Add Path window (see Figure 5-5) allows you to add one or more logical paths between the local and remote storage systems.
5-16 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-5 Add Path Window The Add Path window displays the following: • Port : allows you to select an initiator port on the local storage system.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Viewing the Status of Logical Paths The DKC Status window (see Figure 5-6) displays the status of logical path(s). To view the status of logical path(s) , follow the procedure below.
5-18 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide The DKC Status window displays the following: • List: – No.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Communication Time Out This status indicates one of the following: • A timeout error has occurred between the primary and the secondary storage systems.
5-20 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting Logical Paths Before deleting logical path(s), make su re t hat the remaining number of logical paths will be greater than the minimum number of paths setting.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Managing SIMs Enabling or Disabling SIM Reporting The Optional Operation window can be used to enable CUs to report SIMs (service information messages) to hosts, or prevent CUs from reporting SIMs to hosts.
5-22 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 5-7 List in the Optional Operations Wind ow Showing Whether to Report SIMs from CUs to Host • CU: Displays CU numbers. • SIM Report: Indicates whether to report SIMs from CUs to hosts.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Managing Power for Stor age Systems and Network Relay Devices This appendix explains power management for storage system s and network relay devices during remote copy operations.
5-24 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide If power is removed from the primary or secondary storage system and its backup batteries are fully discharged while data volume pairs are split, differential data (i.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide After you take these steps, remote copy operations will be resumed. The primary storage system will be able to respond to read journal commands issued by the secondary storage system.
5-26 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When You Power Off the Primary and Secondary Storage Systems at the Same Time I.
Chapter 5 Configuring Storage Systems and Logi cal Paths 5-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When You Power Off Network Relay Devices If you want to power off a network relay device during remote copy operations, you must ensure, before powering off the device, that all data volume pairs or mirrors (i.
5-28 Chapter 5 Configuring Storage Systems and Logi cal Paths Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Removing the Relationship Between the Primary and the Secondary Storage Systems.
6 Chapter 7 Configuring Journal Groups 6-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Configuring Journal Groups This chapter describes the introduction of the URz in your system and expl.
6-2 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Reviewing Administrator Tasks for Managing Journals To introduce URz in your system and configure yo.
Chapter 6 Configuring Journal Groups 6-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Registering Journal Volumes in a Journal Group To be able to perform remote copy operations with URz, the primary site administrator must register journal volumes in journal groups in t he primary storage system.
6-4 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – To register external volumes, select the PG(Ext.) radio button, enter a parity group number in the text boxe s to the right, and then select Show .
Chapter 6 Configuring Journal Groups 6-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 6-1 Edit JNL Volumes Window The Edit JNL Volumes window displays the following: • JNL Volumes : Displays information about journal volumes. – Parity Group : indicates the parity group where a journal volume belongs.
6-6 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Add : Use this button when you register volumes in a journal groups. When registering volumes, you select the volumes from Free Volumes and then select Add to add the volumes to JNL Volumes .
Chapter 6 Configuring Journal Groups 6-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 6-2 The Free Volumes List an d the PG Button in the Edit JNL Volumes Window Figure 6-3 The Free Volumes List an d the CU Button in the Edit JNL Volumes Window • Timer Type : Indicates the type of clock used for cons istency time.
6-8 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Total : Estimates the number and the capacity of journal volumes after addition or deletion, and then displays the estimated number and the capacity.
Chapter 6 Configuring Journal Groups 6-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting Journal Volumes from a Journal Group To delete journal volumes from the primary storage system, log into the primary storage system and then perform the following operation.
6-10 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 8. See the Preview list to check the volumes that you want to delete. – If you want to add volumes to delete , select and right-click a volume in the Preview list and then select Modify.
Chapter 6 Configuring Journal Groups 6-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Detailed Information about a Journal Group To display detailed information about journal groups in the primary storage system, log into the primary storage system and then perform the following operation.
6-12 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • JNL Group(LDKC) : Indicates the number of a journal group and the LDKC number. The LDKC number is enclosed in the parenthe ses following the serial number.
Chapter 6 Configuring Journal Groups 6-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – By default, the pace for an i nitial copy activity is Low . – Copy Pace displays nothing if the journal group is a restore journal group. • Use of Cache : Indicates whether to store journal data in the restore journal group into the cache.
6-14 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – A slash (/), the controller ID This column is blank if the journal gr oup does not belong to any extended consistency group. • JNL Volumes : Displays a list of registered journal vol umes.
Chapter 6 Configuring Journal Groups 6-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Halting An operation fo r splitting or deleting the mirror is i n progress. The primary data volume and the secondary data volume are not synchronized.
6-16 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Changing Options for a Journal Group To change options for a journal group, follow the proc edure below. Both the primary storage system administrator and the secondary storage system administrator must perform this operation: 1.
Chapter 6 Configuring Journal Groups 6-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. Select Apply to apply the settings. Note : If an error occurs, the righ tmost column of the Preview list displays the error code. To view detailed information about the error, right-click the error code and then select Error Detail .
6-18 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Medium : The speed of the initial copy activity is faster than Low and slower than High . If you want to specify Medium , please ensure that the amount of update I/Os (i.
Chapter 6 Configuring Journal Groups 6-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 449 ON : The SVP does not detect blocked paths. OFF : The SVP detects blocked paths and monitors th e time until the mirrors get spl it (suspended).
6-20 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Entire : Whole data in primary data volume will be copied to secondary data volume when delta resync op eration cannot be performed. The default is Entire .
Chapter 6 Configuring Journal Groups 6-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting a Journal Group To delete a journal group from the primary storage system, log int o the primary storage system and then perform the following operation.
6-22 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Splitting a Mirror (Suspending a copy operation) A mirror is a combination of a master journal group and a restore journal group. If you split a mirror, the copyin g of data from the master journal group to the restore journal group will suspended.
Chapter 6 Configuring Journal Groups 6-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 6-6 Suspend Pair Window The Suspend Pair window displays the following: • S-VOL Write : Allows you to specify whether hosts can issue read I/O and write I/O to the secondary data volume after the mirror is split.
6-24 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Restoring a Mirror (Resuming a copy operation) A mirror is a combination of a master journal group and a restore journal group. If you split a mirror, the copyin g of data from the master journal group to the restore journal group will be suspended.
Chapter 6 Configuring Journal Groups 6-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If an error occurs, the righ tmost column of the Preview list displays the error code. To view detailed information about the error, right-click the error code and then select Error Detail .
6-26 Chapter 6 Configuring Journal Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Deleting Data Volumes from a Mirror (Ending a copy operation) A mirror is a combination of a master journal group and a restore journal group. If you delete data volumes (i.
7 Chapter 7 Using Extended Consistency Groups 7-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Using Extended Consistency Groups This chapter explains how to perform remote copy operations .
7-2 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide If you want to perform remote copy operations between more than one primary storage system and more than one secondary storage system, you must register journal groups in extended consistency groups (abbreviated as EXCTG).
Chapter 7 Using Extended Consistency Groups 7-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 1. Ensure that the Storage Navigator main window is in Modify mode. For detailed information about how to do this, please refer to Storage Navigator User’s Guide .
7-4 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 16. See the Preview list to check the settings that you have made. Note: If you want to modify a setting, select and right-click the setting in the Preview list and then select Modify .
Chapter 7 Using Extended Consistency Groups 7-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – You cannot set the same serial number to DKC-1 through DKC-4 . • LDKC : Indicates the LDKC number of a storage system. • Controller ID : Indicates the controller ID of a storage system.
7-6 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When you specify an extended consistency group and split data volume pairs in the specified g.
Chapter 7 Using Extended Consistency Groups 7-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Removing Journal Groups from an Extended Consistency Group The EXCTG Operation window allows you to remove journal groups from a n extended consistency group.
7-8 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide You can remove journal groups from an extended consistency gro up anytime, regardless of the status of th e jour nal groups.
Chapter 7 Using Extended Consistency Groups 7-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Forcibly Removing Journal Groups from an Extended Consistency Group The Journal Operation window allows you to remove journal groups forcibly from an extended consistency group.
7-10 Chapter 7 Using Extended Consistency Groups Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
8 Chapter 9 Performing Pair Operations 8-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Performing Pair Operations This chapter explains how to perform remote copy operations with URz, incl.
8-2 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide To perform remote copy operations with URz, you must create pairs of a primary data volume and a secondary data volume . A primary data volume i s a data volume to be copied.
Chapter 8 Performing Pair Operations 8-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-1 Display Filter Window The Display Filter window displays the following: • Host Group : Allows you to select the host group to be displayed.
8-4 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Sub Status : Allows you to specify consistency status. The volume pairs in the specified status will be displayed in the li st. For detailed information about consistency status, see section Suspend Types and Table 2-6.
Chapter 8 Performing Pair Operations 8-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Creating a Pair of Data Volumes Using the Add Pair window, the administrator of the primary storage system must create pairs of a primary data volume and a secondary data volume.
8-6 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If more than one primary data volume is specified in the list, you can specify secondary data volumes in three ways. For detailed information, refer to the explanation about the Select Other S-VOL(s) option later in this section.
Chapter 8 Performing Pair Operations 8-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-2 Add Pair Window The Add Pair window displays the following: • P-VOL : Indicates a primary data volume. The numbers are the LDKC number, the CU number and the LDEV num ber of the primary data volume.
8-8 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : If you selected more than one primary data volume, select the secondary data volume for the primar y data volume being displayed.
Chapter 8 Performing Pair Operations 8-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : R-JNL does not display journal group numbers used by Uni versal Replicator. • DKC : Allows you to select the serial number (the LDKC number) and the controller ID (model name that indicates the model) of the secondary storage system.
8-10 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Total Mirror(s) : Indicates the sum of the following: (1) The number of mirrors regist ered in the master journal.
Chapter 8 Performing Pair Operations 8-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying Detailed Information about a P air of D ata Volumes The Detailed Information window allows you to view detailed information about a pair of data volumes.
8-12 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-3 Detailed Information Window The Detailed Information window displays the following: • Status : Indicates the status of the pair. If the pair is split (or sus pended), Status also displays the suspend type.
Chapter 8 Performing Pair Operations 8-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – If the volume pair is split and therefore is in Suspend status, Sync. usually displays synchronization rate (i.e., concordance rate) between the secondary data volume before it became split and the secondary data volume after it became split.
8-14 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • R-JNL Group : Indicates the restore journal group. • Mirror ID : Indicates the mirror ID. • S/N(CTRL ID) : displays the five-digit serial number and the controller ID of the secondary storage system.
Chapter 8 Performing Pair Operations 8-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Refresh the Pair Operation window after this window is closed : If this check box is selected, the Pair Operation window will be updated when the Detailed Information window closes.
8-16 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Saving Pair Status Inform ation into a Text File The export function of URz enables you to save information about pair status into a text file. The example of the text file is described in Figure 6- 4.
Chapter 8 Performing Pair Operations 8-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide A message appears when URz finishes saving the file.
8-18 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Changing Options for a Data Volume Pair The Change Pair Option window allows you to change options for a pair of data volumes. To change the pair options, follow the proc edure below.
Chapter 8 Performing Pair Operations 8-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 8-5 Change Pair Option Wind ow The Change Pair Option window displays the following items that can be configured: • Error Level : Allows you to specify the range used for splitting a pair when a failure occurs.
8-20 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Splitting a Pair of Data Volumes After the initial copy operation finishes, you can use the Suspend Pair window to split the pair of data volumes. To split one or more pairs, follow the procedure below.
Chapter 8 Performing Pair Operations 8-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – The primary data volume becomes reserved when you split the pair. If the secondary data volume is suspended due to a failure, you can restore the pair by using the Resume Pair command.
8-22 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • In the Preview list, select all but one pair i n the same mirror, right click the selected pairs, and then select Delete .
Chapter 8 Performing Pair Operations 8-23 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Restoring a Pair of Data Volumes The Resume Pair window ( Figure 8-7) allows you to restore a pair that has been split.
8-24 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – If you want to modify a setting, s elect and right-click the setting and then select Modify. – If you want to cancel a setting, se lect and right-click the setting and then select Cancel .
Chapter 8 Performing Pair Operations 8-25 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – Group : All pairs in the same mirror(s) as the selected pair(s) will be restored.
8-26 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Releasing a Pair of Data Volumes The Delete Pair window ( Figure 8 -8) allows you to release a pair of data volumes.
Chapter 8 Performing Pair Operations 8-27 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide To monitor the progress of releasing pair(s), click File , Refresh on th e menu bar of the Storage Navigator main window to update the information in the list, or use the Detailed Info rmation window to monitor the detailed status of each pair.
8-28 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide • Delete Mode : Allows you to specify whether to release the pair(s) forcibly. When the status of the pair(s) to be released is Simplex or Deleting , the default setting is Force .
Chapter 8 Performing Pair Operations 8-29 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. Use the Add Pair command in the Pair Operation window to recover the data volume pair. Make sure to select the Entire initial copy option in the Add Pair window.
8-30 Chapter 8 Performing Pair Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
9 Chapter 9 Usage Monitor Operations 9-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Usage Monitor Operations This chapter describes the Usage Monitoring window which enables you to collec.
9-2 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Reviewing the Usage Monitor Window The Usage Monitoring window enables you to collect I/O statistics for all volumes to be monitored on the connected storage system.
Chapter 9 Usage Monitor Operations 9-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Starting and Stopping Usage Monitoring Starting and stopping usage monitoring can be set usin g Performance Monitor. For detail about starting and stopping usag e monitoring, please refer to Performance Manager User's Guide .
9-4 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Displaying the Usage Monitor Graph When usage monitoring is running, the Usage Monitor window can display user-selected remote copy I/O statistics in real time.
Chapter 9 Usage Monitor Operations 9-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note: To stop displaying the usag e monitor graph, right-click the graph, and select Close .
9-6 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide M-JNL Asynchronous RIO count The num ber of a synchronous remote I/Os per second at the prim ary storage system.. M-JNL Total Number of Journal The number of journals at the primary storage system.
Chapter 9 Usage Monitor Operations 9-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Saving Monitoring Data in Text Files To save monitoring data in text files, use the Export Tool of Performance Monitor. For information and instructions on using t he Export Tool, please refer to the Performance Manager User’s Guide .
9-8 Chapter 9 Usage Monitor Operations Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Saving Operation History into a Text File The export function enables you to save operation histo ry into a CSV file. Note : You can use the export function only while the client file access is enabled.
1 0 Chapter 10 Usage Scenarios 10-1 Hitachi Un iversal Re plicator for z/OS User’ s Guide Usage Scenarios This chapter describes how to use URz to enables to make Point-in-Time (PiT) duplicates of g.
10-2 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Creating a Point-in-Time Copy of Data Volumes URz enables you to make Point-in-Time (P iT) duplicates of groups of volumes. The term "Point-in-Time (PiT)" refers to an act of obtaining a copy of data immediately when you want to obtain it.
Chapter 10 Usage Scenarios 10-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide File a nd Databa se Recovery Procedures When the primary storage system (or secondary storage system for URz).
10-4 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Switching Operations to the S econdary Site If a disaster or failure occurs at the primary site, the first disaster recovery activity is to use Business Continuity Ma nage r to switch your operations to the remote backup site.
Chapter 10 Usage Scenarios 10-5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. If the YKSUSPND command finishes successfully and the splitting ends successfully, you can resume business tasks (i.e., you can start business applications) by using secondary data volumes in the secondary site.
10-6 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 7. Verify that pair status of all secondary data volumes (which were o riginally primary data volumes) changes from Pending Duplex to Duplex . If the pair status is changed to Duplex , initial copy operations are finished and consistency is maintained.
Chapter 10 Usage Scenarios 10-7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 6. If there is no secondary data volume (which is original ly a primary data volume) whose pair status is oth.
10-8 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primary host Mast er JNL VOL Exten ded co nsist enc y group Pri mary sto rage sy stem 1 Primary da ta volum e.
Chapter 10 Usage Scenarios 10-9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Disaster Recovery in a 3DC Cascading Configuration If a disaster or failure occurs in the primary site in a 3.
10-10 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Note : YKRECV ER is a command that requests releasing of a pair to the secondary data volume. 2. Use Business Continuity Manager to execute the YKSUSPND REVERSE command on the TCz Synchronous pair.
Chapter 10 Usage Scenarios 10-11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide M-VOL/Prm. data VOL Master JNL VOL Primary site URz Sec. da ta VOL R-VOL JNL VOL TCz Synchron ous TCz Synchron ous secondary site R-VOL/Prm. data VOL Master JNL VOL M-VOL JNL VOL M-VOL JNL VOL Restore J NL V O L R-VOL/Prm.
10-12 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 3. Use Business Continuity Manager to execute the YKRESYNC REVERSE command on the TCz Synchronous pair. The copy direction of the TCz Synchronous pair will be reversed.
Chapter 10 Usage Scenarios 10-13 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide primary site Black ar r ow in dicate s copy di rection. I f an arro w is s ol id, the pair is in Duple x s tatus. If a n arro w is dotte d, the pair is in H old st atus.
10-14 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Figure 10-4 Configuration for 3D C Delta Resync Operations To establish 3DC delta resync operations as shown in Figure 10-4: 1. Create the UR links between the st orage systems.
Chapter 10 Usage Scenarios 10-15 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide TC target (166#10079): 3. Create journal groups on all three st orage systems (JNLG 01, 02, and 03 in this example). 4. Create the TrueCopy pairs between the TC primary and secondary storage systems.
10-16 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide UR target (156#10041) 6. Create the delta resync (long distance UR) pairs. Note: The mirror ID cannot be the same as used in step 5. At this point, UR 3DC delta re sync operations are functi onal.
Chapter 10 Usage Scenarios 10-17 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Performing Failover and Failba ck for Host Maintenance at the Primary Site This section describes and provides instructions for performing fail over and failback so that host maintenance can be performed a t the primary site.
10-18 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 1. Stop operations at the primary site. 2. From the local site, execute the YKSUSPND REVERSE command for the TC pair. – YKQUERY – YKSUSPND REVERSE – YKEWAIT GOTO(SUSPEND) 3.
Chapter 10 Usage Scenarios 10-19 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – YKQUERY – YKRESYNC DELTAJNL – YKEWAIT GOTO(DUPLEX) If the command is successful, the UR pair between the primary and remote sites changes to the HOLD status.
10-20 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide – YKSUSPND FORWARD – YKEWAIT GOTO(SUSPEND) 4. From the primary site, execute the YKRESYNC FORWARD command for the TC pair.
Chapter 10 Usage Scenarios 10-21 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide 5. From the primary site, execute the YK RESYNC DELTAJNL command for the delta resync pair.
10-22 Chapter 10 Usage Scenarios Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
E Troubleshooting 1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Troubleshooting This chapter provides troubleshooting information for Universal Replicator for z/OS ® and instructions for calling technical support.
2 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Troubleshooting The user is responsible for the operation and normal maintenance of Storage Navigator computers. For troubleshooting information o n Storage Navigator, refer to the Storage Navigator User's Guide .
Troubleshooting 3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 11-1 General Troubleshooting In fo rmation for Universal Replicator for z/OS ® Error Corrective Action The Hitachi USP V Remote Console softwa re hangs, or URz operations do not function properly.
4 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Resource Shortage (Port) or, Resource Shortage (Pair-Port) The local and remote storage system rejected the request for creating a logical path because all resources in the local and remote storage systems are being used for other connections.
Troubleshooting 5 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Port Number Mismatch The specified port number is not correct, or the cable is not connected to the specified port. Delete the error path. Check the specified port number or ca ble connections, and then retry the operation.
6 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Delete Pair to RCU Primary data volume The primary storage system detected that the secondary data volume status changed to simplex because the user released the pair from the secondary storage system.
Troubleshooting 7 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Primary storage system hardware or secondary storage system hardware Hardware redundancy has been l ost due to some blockade condition.
8 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Checking Service Information Messages (SIMs) The Hitachi USP V storage system reports a service information message (SIM) to the host when it is necessary to notify t he user of a possible service requirement for the storage system.
Troubleshooting 9 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Table 11-5 Typical SIM Showing Reference Code and SIM Type Reference Code 22 23 Severity Description USP V reports SIM to host? SIM Generated by SVP Log File 21 80 Moderat e Logical path is blocked due to a failure.
10 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide When the system option mode 308 is set to OFF, the SIM will not be reported to the host.
Troubleshooting 11 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Calling the Hitachi Data Systems Support Cent er If you need to call the Hitachi Data Systems Support Center, make sure to provide as much information about the problem as possible, including: • The circumstances surrounding the error or failure.
12 Troubleshooting Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
Acronyms and Abbreviations-1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Acronyms and Abbreviations CU control unit ESCON Enterprise System Connection (IBM trademar k for optical channe.
.
Index Index-1 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide Index C consistency status, 2-37 D database recovery, 10-3 disaster recovery file/DB recovery, 10-3 preparing for, 10-2 switchi.
Index-2 Index Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
Index Index-3 Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
Index-4 Index Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
Hitachi Un iversal Re plicator for IBM /OS Use r’s Guide.
MP-96RD625-01 Hitachi Data Systems Corporate Headquarters 750 Central Expressway Santa Clara, California 95050-2627 U.S.A. Phone: 1 408 970 1000 www.hds. com info@hds.com Asia Pacific and Americas 750 Central Expressway Santa Clara, California 95050-2627 U.
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