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LSI 2108/2208 SAS MegaRAID Conguration Utility USER’S MANUAL Revision 1.0.
Manual Revision 1.0 Release Date: October 16, 2012 Unless you request and receive written permission from Super Micro Computer , Inc., you may not copy any part of this document.
Preface About This Manual This manual is written for system integrators, PC technicians and knowledgeable PC users. I t pr ovide s ins tru cti ons on ho w to use the LSI™ 2108/2208 MegaRAID ® Configuration U tility to configure R AID settings f or Supermicro mother boards or sy stems.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual Contacting Supermicro Headquarters Address: Super Micro Computer , Inc. 980 Rock Ave. San Jose, CA 95131 U.S.A. T el: +1 (408) 503-8000 Fax: +1 (408) 503-8008 Email: marketing@supermicro.
Preface Notes v.
vi T able of Contents Preface Chapter 1 Introduction 1-1 Overview of the LSI 2108/2208 SAS Controller ............................................. 1-1 Features of the LSI 2108/2208 Controller ...................................................... 1-1 Functions of the LSI MegaRAID Utility .
Chapter 1: Introduction to the LSI MegaRAID Software Utility 1-1 Chapter 1 Introduction After you have installed hardware components, you must rst congure LSI 2108/2208 SAS MegaRAID settings before you install an operating system and other software drivers.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 1-2 High Performance • Single PowerPC core at 800 MHz (LSI2108 only), 512MB Write Cache • Dual PowerPC cores at 800 MHz (LSI2208 only), 1GB Write Cache 6Gb/s SAS Interface • 8-port SAS/SA T A controller • 1.
Chapter 1: Introduction to the LSI MegaRAID Software Utility 1-3 Functions of the LSI MegaRAID Utility • Support for BIOS Boot Specication (BBS) (if supported by the system BIOS) • Suppor.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 1-4 1-2 RAID Levels Supported by the 2108/2208 Controller The LSI Embedded MegaRAID Software Congur.
Chapter 1: Introduction to the LSI MegaRAID Software Utility 1-5 RAID 10 RAID 10, a combination of RAID 1 and RAID 0, provides superb system performance and system security . RAID 10 mirrors small blocks of data to a series of RAID 1 drive groups. Then the rst RAID 1 drive in a drive group duplicates its data to the second drive.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 1-6 RAID 50 RAID 50 is a combination of RAID 5 and RAID 0. This type of drive group is called a spanned drive group because data is striped across multiple RAID 5 drive groups.
Chapter 1: Introduction to the LSI MegaRAID Software Utility 1-7 RAID 60 RAID 60 combines the features of RAID 6 and RAID 0. RAID 60 implements distributed parity (two independent parity bloks per stripe in a RAID set) and disk striping.The dual parity allows RAID 6 to survive two drive failures in each RAID 6 set without losing data.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 1-8 Notes.
Chapter 2: Conguring the LSI MegaRAID Settings 2-1 3. In the Adapter Selection screen, choose LSI SAS 2108/2208 then select Start to display the MegaRAID main screen.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-2 LSI Conguration Utility Main Screen 2-2 The LSI MegaRAID Main Screen On the left side of the LSI MegaRAID main screen is a list of congurable items.
Chapter 2: Conguring the LSI MegaRAID Settings 2-3 2-3 Advanced Software Options The MegaRAID advanced software options enable enhanced features and function - ality that may not be available in the standard controller conguration.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-4 3. Select Next again to display the Controller Properties screen (shown below).
Chapter 2: Conguring the LSI MegaRAID Settings 2-5 Item Description Rebuild Rate The rebuild rate determines the percentage of system re - sources that will be applied toward rebuilding a drive that has failed. Enter a number between 1 and 100 to control the rebuild rate.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-6 Item Description Emergency Spare Specify whether to use GHS (Global Hot Spares) or UG (Uncongured Good) drives as emergency spares. Emergency for SMART er Select to enable or disable this feature.
Chapter 2: Conguring the LSI MegaRAID Settings 2-7 2. In the window on the right, select a virtual drive and perform one of the fol - lowing actions: • Fast Initialize: I.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-8 Policies : This section allows you to view and change the read, write, disk cache, BGI, access, and I/O policies on the drive. T o change any settings, choose the de - sired setting from the pull-down menu and select Change to conrm the change.
Chapter 2: Conguring the LSI MegaRAID Settings 2-9 Conguration Wizard 2. Highlight a drive and select one of the following items to perform an action. • Rebuild: Check this item to rebuild the drive selected. • Properties: Check this item to display the properties of the drive selected.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-10 3. Select one of the following conguration methods: • Manual Conguration: Check this item to manually create drive groups and virtual drives and manually set their parameters.
Chapter 2: Conguring the LSI MegaRAID Settings 2-1 1 Conguring Drives Manually 1. In the Add Conguration screen, select Manual Conguration and click Next to begin adding drives. The following screen displays. Add Drives 2.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-12 5. The Virtual Drive Denition screen displays, as shown below. Virtual Drive Denition In the Virtual Drive Denition screen, congure the following options as needed: RAID Level : Select the desired RAID level.
Chapter 2: Conguring the LSI MegaRAID Settings 2-13 Conguration Preview • Always Write-Back: Use this option to write data only to the cache, even if a battery backup is bad or missing. (This option is not recommended because cached data will be lost in the event of a power outage.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-14 2-10 Logical View This feature displays the status of logical drives of the system. From the MegaRAID utility conguration main page, use the <T ab> key or the mouse to select Logical View .
Chapter 2: Conguring the LSI MegaRAID Settings 2-15 2-1 1 Events This feature displays system event information. From the conguration utility main page, use the <T ab> key or the mouse to select Events . The following screen displays.
LSI 2108/2208 SAS MegaRAID Conguration Utility User's Manual 2-16 Event Class : Select the class level for the event search. Available classes include: • Informational: This type of event is informative only and does not require user action.
(Disclaimer continued) The products sold by Supermicro are not intended for and will not be used in life support systems, medical equipment, nuclear facilities or systems, aircraft, aircraft devices, .
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