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Sun Microsystems, Inc. 901 San Antonio Road P alo Alto , CA 94303-4900 U .S.A. 650-960-1300 Send comments about this document to: docfeedback@sun.com Sun StorEdge ™ T3 and T3+ Arra y Configuration Guide P ar t No .
Please Recycle Copyright 2001 Sun Microsystems, Inc., 901 San Antonio Road, Palo Alto, CA 94303-4900 U.S.A. All rights r eserved. This product or document is distributed under licenses r estricting its use, copying, distribution, and decompilation.
iii Contents Preface ix 1. Array Conf iguration Overview 1 Product Description 1 Controller Car d 2 Interconnect Car ds 4 Array Configurations 6 Configuration Guidelines and Restrictions 8 Configuration Recommendations 9 Supported Platforms 9 Supported Software 10 Sun Cluster Support 10 2.
iv Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001 Logical Volumes 16 Guidelines for Configuring Logical V olumes 17 Determining How Many Logical V olumes Y ou Need 17 Determining Wh.
Contents v Single Host W ith T wo Hubs and Eight Controller Units Configur ed as Four Partner Groups 36 Dual Hosts W ith T wo Hubs and Four Controller Units 38 Dual Hosts W ith T wo Hubs and Eight Con.
vi Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001 Administration Path 60 Connecting Partner Groups 60 Workgroup Configurations 62 Enterprise Configurations 63 Glossary 65.
vii Figur es FIGURE 1-1 Sun StorEdge T3 Array Controller Card and Ports 3 FIGURE 1-2 Sun StorEdge T3+ Array Controller Card and Ports 4 FIGURE 1-3 Interconnect Card and Ports 5 FIGURE 1-4 Workgroup Co.
viii Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001 FIGURE 5-1 Sun Enterprise 6 x 00/5 x 00/4 x 00/3 x 00 SBus+ I/O Board 52 FIGURE 5-2 Sun StorEdge PCI FC-100 Host Bus Adapter 53 F.
ix Pr eface The Sun StorEdge T3 and T3+ Array Configuration Guide describes the r ecommended configurations for Sun StorEdge T3 and T3+ arrays for high availability , maximum performance, and maximum storage capability . This guide is intended for Sun™ field sales and technical support personnel.
x Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001 Using UNIX Commands This document contains some information on basic UNIX ® commands and procedur es such as booting the devices.
Preface xi Shell Pr ompts Related Documentation Shell Prompt C shell machine_name % C shell superuser machine_name # Bourne shell and Korn shell $ Bourne shell and Korn shell superuser # Sun StorEdge .
xii Sun StorEdge T3 and T3+ Array Configuration Guide • August 2001 Accessing Sun Documentation Online Y ou can find the Sun StorEdge T3 and T3+ array documentation and other select product documentation for Network Storage Solutions at: http://www.
1 CHAPTER 1 Array Conf iguration Overview This chapter describes the Sun StorEdge T3 and T3+ arrays, the connection ports, and Fibre Channel connections. It also describes basic rules and r ecommendations for configuring the array, and it lists supported hardwar e and software platforms.
2 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 The array can be used either as a standalone storage unit or as a building block, interconnected with other arrays of the same type and conf igured in various ways to provide a storage solution optimized to the host application.
Chapter 1 Array Configuration Ov er view 3 FIGURE 1-1 Sun StorEdge T3 Array Contr oller Card and Ports The Sun StorEdge T3+ array controller card contains: ■ One Fibre Channel-Arbitrated Loop (FC-AL) port using an LC small-form factor (SFF) connector .
4 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 FIGURE 1-2 Sun StorEdge T3+ Array Contr oller Card and Ports Inter connect Cards The interconnect car ds are alike on both array models. There ar e two interconnect ports on each card: one input and one output for interconnecting multiple arrays.
Chapter 1 Array Configuration Ov er view 5 FIGURE 1-3 Inter connect Card and Ports Interconnect cards Input Output.
6 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Array Conf igurations Each array uses Fibre Channel-Arbitrated Loop (FC-AL) connections to connect to the application host. An FC-AL connection is a 100-Mbyte/second serial channel that enables multiple devices, such as disk drives and controllers, to be connected.
Chapter 1 Array Configuration Ov er view 7 FIGURE 1-5 Enterprise Conf iguration Note – Sun StorEdge T3 array workgroup and enterprise configurations r equire a media-interface adapter (MIA) connected to the Fibre Channel port to connect the fiber -optic cable.
8 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Conf iguration Guidelines and Restrictions W orkgroup Configurations: ■ The media access control (MAC) addr ess is required to assign an IP addr ess to the controller unit. The MAC addr ess uniquely identifies each node of a network.
Chapter 1 Array Configuration Ov er view 9 Conf iguration Recommendations ■ Use enterprise configurations for controller r edundancy . ■ Use host-based software such as VERIT AS V olume Manager (VxVM), Sun Enterprise™ Server Alternate Pathing (AP) software, or Sun StorEdge T raffic Manager for multipathing support.
10 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Supported Softwar e The following software is supported on Sun StorEdge T3 and T3+ arrays: ■ Solaris 2.6, Solaris 7, and Solaris 8 operating environments ■ VERIT AS V olume Manager 3.
Chapter 1 Array Configuration Ov er view 11 ■ Switches are not supported. ■ Hubs must be used. ■ The Sun StorEdge SBus FC-100 (SOC+) HBA and the onboard SOC+ interface in Sun Fire™ systems ar e supported. ■ On Sun Enterprise 6 x 00/5 x 00/4 x 00/3 x 00 systems, a maximum of 64 arrays are supported per cluster .
12 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001.
13 CHAPTER 2 Conf iguring Global Parameters When an array is shipped, the global parameters are set to default values. This chapter describes how to reconfigur e your array by changing these default values.
14 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Conf iguring Cache for Performance and Redundancy Cache mode can be set to the following values: ■ Auto . The cache mode is determined as either write-behind or write-through, based on the I/O prof ile.
Chapter 2 Configur ing Global P arameters 15 Conf iguring Data Block Size The data block size is the amount of data written to each drive when striping data across drives. (The block size is also known as the stripe unit size.) The block size can be changed only when there are no volumes def ined.
16 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Note – The data block size must be configured befor e any logical volumes are created on the units. Remember , this block size is used for every logical volume created on the unit.
Chapter 2 Configur ing Global P arameters 17 Note – Individual physical disk drives are not visible from the application host. Refer to the Sun StorEdge T3 and T3+ Array Administrator ’ s Guide for more information on creating logical volumes.
18 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 ■ Data-intensive NFS, version 3 ■ DSS ■ DW ■ HPC Note – If you are cr eating new volumes or changing the volume configuration, you must first manually r ewrite the label of the previous volume using the autoconfigur e option of the format (1M) UNIX host command.
Chapter 2 Configur ing Global P arameters 19 Note – Only one hot spare is allowed per array and it is only usable for the array in which it is configur ed.
20 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 If the volume has a hot spare conf igured and that drive is available, the data on the disabled drive is reconstructed on the hot-spar e drive.
Chapter 2 Configur ing Global P arameters 21 ■ Second, you can use third-party softwar e on the host system to create as many partitions as desired fr om a given volume. In the Solaris environment, you can use VERIT AS V olume Manager or Solaris Logical V olume Management (SL VM) formerly known as Solstice DiskSuite (SDS) for this purpose.
22 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Conf iguring RAID Levels The Sun StorEdge T3 and T3+ arrays are preconf igured at the factory with a single LUN, RAID level 5 redundancy and no hot spare. Once a volume has been configur ed, you cannot reconfigur e it to change its size, RAID level, or hot spare configuration.
23 CHAPTER 3 Conf iguring Partner Gr oups Sun StorEdge T3 and T3+ arrays can be interconnected in partner groups to form a redundant and lar ger storage system. Note – The terms partner group and enterprise conf iguration refer to the same type of configuration and ar e used interchangeably in this document.
24 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 FIGURE 3-1 Sun StorEdge T3 Array Partner Gr oup Note – Sun StorEdge T3 arrays require a media-interface adapter (MIA) connected to the Fibre Channel port on the controller car d to connect the fiber -optic cable.
Chapter 3 Configur ing P ar tner Groups 25 Any controller unit will boot fr om the master controller unit’s drives. All configuration data, including syslog information, is located on the master controller unit’s drives.
26 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Cr eating Partner Gr oups Partner groups can be cr eated in two ways: ■ From new units ■ From existing standalone units Instru.
27 CHAPTER 4 Conf iguration Examples This chapter includes sample reference conf igurations for Sun StorEdge T3 and T3+ arrays. Although there ar e many supported configurations, these refer ence configurations pr ovide the best solution for many installations.
28 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Single Host W ith One Controller Unit FIGURE 4-1 shows one application host connected through an FC-AL cable to one array controller unit. The Ethernet cable connects the controller to a management host via a LAN on a public or separate network, and requires an IP addr ess.
Chapter 4 Configuration Examples 29 Single Host W ith T wo Contr oller Units Conf igured as a Partner Gr oup FIGURE 4-2 shows one application host connected through FC-AL cables to one array partner group, which consists of two Sun StorEdge T3+ arrays.
30 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Host Multipathing Management Softwar e While Sun StorEdge T3 and T3+ arrays are redundant devices that automatically reconf igure whenever a failure occurs on any internal component, a host-based solution is needed for a redundant data path.
Chapter 4 Configuration Examples 31 Single Host W ith Four Controller Units Conf igured as T wo Partner Groups FIGURE 4-4 shows one application host connected through FC-AL cables to four arrays configur ed as two separate partner groups. This configuration can be used for capacity and I/O throughput r equirements.
32 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Single Host W ith Eight Controller Units Conf igured as Four Partner Gr oups FIGURE 4-5 shows one application host connected through FC-AL cables to eight Sun StorEdge T3+ arrays, forming four partner groups.
Chapter 4 Configuration Examples 33 FIGURE 4-5 Single Host W ith Eight Controller Units Conf igured as Four Partner Gr oups Application host Management host Ethernet por t LAN Ethernet FC-AL FC-AL HBA.
34 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Hub Host Connection The following sample configurations are included in this section: ■ “Single Host W ith T wo Hubs and Four .
Chapter 4 Configuration Examples 35 The following three parameters must be set on the master controller unit, as follows: ■ mp_support = rw or mpxio ■ cache mode = auto ■ cache mirroring = auto .
36 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Single Host W ith T wo Hubs and Eight Contr oller Units Conf igured as Four Partner Gr oups FIGURE 4-7 shows one application host connected through FC-AL cables to two hubs and to eight Sun StorEdge T3+ arrays, forming four partner groups.
Chapter 4 Configuration Examples 37 FIGURE 4-7 Single Host W ith T wo Hubs Configured and Eight Contr oller Units as Four Partner Groups Hub Hub Interconnect cables Application host Ethernet por t Man.
38 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Dual Hosts W ith T wo Hubs and Four Contr oller Units FIGURE 4-8 shows two application hosts connected through FC-AL cables to two hubs and four Sun StorEdge T3+ arrays.
Chapter 4 Configuration Examples 39 FIGURE 4-8 Dual Hosts W ith T wo Hubs and Four Controller Units Hub Hub Application host 1 Ethernet por t LAN FC-AL HBA HBA HBA HBA Application host 2 Management ho.
40 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Dual Hosts W ith T wo Hubs and Eight Contr oller Units FIGURE 4-9 shows two application hosts connected through FC-AL cables to two hubs and eight Sun StorEdge T3+ arrays.
Chapter 4 Configuration Examples 41 FIGURE 4-9 Dual Hosts W ith T wo Hubs and Eight Controller Units Application host 1 Management Host Ethernet por t LAN FC-AL Hub Hub HBA HBA HBA HBA Application hos.
42 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Dual Hosts W ith T wo Hubs and Four Contr oller Units Conf igured as T wo Partner Groups FIGURE 4-8 shows two application hosts connected through FC-AL cables to two hubs and four Sun StorEdge T3+ arrays forming two partner groups.
Chapter 4 Configuration Examples 43 FIGURE 4-10 Dual Hosts W ith T wo Hubs and Four Controller Units Conf igured as T wo Partner Groups Hub Hub Application host 1 Ethernet por t LAN FC-AL FC-AL HBA HB.
44 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Dual Hosts W ith T wo Hubs and Eight Contr oller Units Conf igured as Four Partner Gr oups FIGURE 4-9 shows two application hosts connected through FC-AL cables to two hubs and eight Sun StorEdge T3+ arrays forming four partner groups.
Chapter 4 Configuration Examples 45 FIGURE 4-11 Dual Hosts W ith T wo Hubs and Eight Controller Units Configur ed as Four Partner Groups Application host 1 Management host Ethernet por t LAN FC-AL FC-.
46 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Switch Host Connection This section contains the following example configurations: ■ “Dual Hosts W ith T wo Switches and T wo .
Chapter 4 Configuration Examples 47 FIGURE 4-12 Dual Hosts W ith T wo Switches and T wo Controller Units Application host A Application host B Ethernet por t Management Host LAN Switch Switch FC-AL HB.
48 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Dual Hosts W ith T wo Switches and Eight Contr oller Units FIGURE 4-13 shows two application hosts connected through FC-AL cables to two switches and eight Sun StorEdge T3+ arrays. This multi-initiator configuration, can be used for footprint and I/O throughput.
Chapter 4 Configuration Examples 49 FIGURE 4-13 Dual Hosts W ith T wo Switches and Eight Controller Units Application host 1 Application host 2 Ethernet por t Management host LAN Switch Switch FC-AL H.
50 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001.
51 CHAPTER 5 Host Connections This chapter describes the host bus adapters (HBAs) that are supported by Sun StorEdge T3 and T3+ arrays: ■ “Sun Enterprise SBus+ and Graphics+ I/O Boards” on page .
52 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Sun Enterprise SBus+ and Graphics+ I/O Boar ds The SBus+ and Graphics+ I/O boards each pr ovide mounting for two Gigabit Interface Converters (GBICs).
Chapter 5 Host Connections 53 Sun StorEdge PCI FC-100 Host Bus Adapter The Sun StorEdge PCI FC-100 host bus adapter is a 33-MHz, 100 Mbytes/second, single-loop Fibre Channel PCI host bus adapter with an onboard GBIC. This host bus adapter is PCI V ersion 2.
54 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Sun StorEdge SBus FC-100 Host Bus Adapter The Sun StorEdge SBus FC-100 host bus adapter is a single-width Fibre Channel SBus card with a Sun Serial Optical Channel (SOC+) ASIC (application-specific integrated circuit).
Chapter 5 Host Connections 55 Sun StorEdge PCI Single Fibr e Channel Network Adapter The Sun StorEdge PCI Single Fibre Channel network adapter is a Fibre Channel PCI card with one onboar d optical receiver . This network adapter is PCI V ersion 2.1-compliant.
56 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 Sun StorEdge PCI Dual Fibr e Channel Network Adapter The Sun StorEdge PCI Dual Fibre Channel network adapter is a Fibre Channel PCI card with two onboar d optical transceivers. This network adapter is PCI V ersion 2.
Chapter 5 Host Connections 57 Sun StorEdge CompactPCI Dual Fibr e Channel Network Adapter The Sun StorEdge CompactPCI Dual Fibre Channel network adapter has two 1-Gbit Fibre Channel ports on a cPCI card.
58 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001.
59 CHAPTER 6 Array Cabling This chapter describes the array configurations supported by the Sun StorEdge T3 and T3+ arrays, and it includes the following sections: ■ “Overview of Array Cabling” .
60 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 ■ Switch connection where the FC-AL from the array is connected to a switch on the same network as the data host. Administration Path For the administration path, each controller unit has an Ethernet connector .
Chapter 6 Array Cab ling 61 FIGURE 6-1 Sun StorEdge T3 Array Contr oller Card and Inter connect Cards FIGURE 6-2 Sun StorEdge T3+ Array Contr oller Card and Inter connect Cards Serial por t (RJ-11) 10BASE-T Ethernet por t (RJ-45) FC-AL data connection por t Note: FC-AL por t requires an MIA f or cable connection.
62 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 W orkgr oup Conf igurations The following configuration r ules apply to array workgroup conf igurations ( FIGURE 6-3 ): ■ The interconnect ports, which ar e used only in partner group configurations, cannot be used for host connections.
Chapter 6 Array Cab ling 63 Enterprise Conf igurations The following rules conf iguration rules apply to enterprise (partner gr oup) configurations ( FIGURE 6-4 ): ■ The interconnect ports, which ar e used only in enterprise configurations, cannot be used for host connections.
64 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001.
65 Glossary A administrative domain Partner groups (inter connected controller units) that shar e common administration through a master contr oller . alternate master controller unit Also called “alternate master unit,” the secondary array unit in a partner group that provides failover capability fr om the master controller unit.
66 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 C command-line interface (CLI) The interface between the Sun StorEdge T3 and T3+ array’s pSOS operating system and the user in which the user types commands to administer the array.
67 F Fibre Channel Arbitrated Loop (FC-AL) A 100 Mbyte/s serial channel that enables connection of multiple devices (disk drives and controllers). f ield-replaceable unit (FRU) A component that is easily removed and r eplaced by a field service engineer or a system administrator .
68 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 I input/output operations per second (IOPS) A performance measurement of the transaction rate. interconnect cable An FC-AL cable with a unique switched-loop architectur e that is used to interconnect multiple Sun StorEdge T3 and T3+ arrays.
69 multi-initiator conf iguration A supported array configuration that connects two hosts to one or mor e array administrative domains through hub or switch connections. P parity Additional information stored with data on a disk that enables the contr oller to rebuild data after a drive failur e.
70 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001 reverse address resolution protocol (RARP) A utility in the Solaris operating environment that enables automatic assignment of the array IP address fr om the host. S SC An industry standard name used to describe a connector standar d.
71 W workgroup conf iguration A standalone array connected to a host system. world wide name (WWN) A number used to identify array volumes in both the array system and Solaris environment. write caching Data used to build up stripes of data, eliminating the read-modify-write overhead.
72 Sun StorEdge T3 and T3+ Arra y Configuration Guide • August 2001.
73 Index A administration path, 60 alternate master controller unit in a partner group, 7 Alternate Pathing (AP) in configuration recommendations, 9 in partner group configuration, 30 auto cache mod.
74 Sun StorEdge T3 and T3+ Arra y Configuration Guide • A ugust 2001 E enterprise configuration configuration rules, 63 description, 6 See partner group Ethernet administration path, 60 connection.
Index 75 sharing parameter settings, 9 using AP, 30 using DMP, 30 using multipathing software, 30 platforms supported, 9 R RAID and applications, 18 configuring for redundancy, 20 default level, 22 d.
76 Sun StorEdge T3 and T3+ Arra y Configuration Guide • A ugust 2001.
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