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- Page 1 SAS2 Integrated RAID Solution User Guide Version 2.0 August 2010...
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Page 2: Revision History
Revision History Version and Date Description of Changes Version 2.0, August 2010 Added new models of supported controllers. Version 1.1, August 2009 Applied extensive general editing improvements. Version 1.0, July 2009 Initial release of this document. LSI, the LSI logo, Fusion-MPT are trademarks or registered trademarks of LSI Corporation or its subsidiaries. All other brand and product names may be trademarks of their respective companies. LSI Corporation reserves the right to make changes to the product(s) or information disclosed herein at any time without notice. -
Page 3: Table Of Contents
SAS2 Integrated RAID Solution User Guide Table of Contents Table of Contents Chapter 1: Introduction to the Integrated RAID Solution ................. . .5 1.1 Overview . - Page 4 Table of Contents SAS2 Integrated RAID Solution User Guide Chapter 5: Creating Integrated Striping Volumes ..................25 5.1 Integrated Striping Configuration Overview .
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Page 5: Chapter 1: Introduction To The Integrated Raid Solution
SAS2 Integrated RAID Solution User Guide Chapter 1: Introduction to the Integrated RAID Solution Overview Chapter 1 Introduction to the Integrated RAID Solution This chapter provides an introduction to the features and benefits of the LSI Integrated RAID solution for LSI SAS2 controllers. 1.1 Overview The LSI Integrated RAID solution provides cost benefits for the server or workstation market that requires the extra performance, storage capacity, and/or redundancy of a... -
Page 6: Benefits And Features
Chapter 1: Introduction to the Integrated RAID Solution Benefits and Features SAS2 Integrated RAID Solution User Guide 1.2 Benefits and Features The LSI Integrated RAID solution has the following benefits and features: Support for up to 10 disks per Integrated RAID volume, with one or two volumes on each SAS2 controller. -
Page 7: Chapter 2: Overview Of Integrated Raid Mirrored Volumes
SAS2 Integrated RAID Solution User Guide Chapter 2: Overview of Integrated RAID Mirrored Volumes Introduction Chapter 2 Overview of Integrated RAID Mirrored Volumes This chapter provides an overview of the LSI Integrated RAID features that support the creation of mirrored arrays. 2.1 Introduction As a result of the shift towards network-attached storage (NAS), Internet service providers need a cost-effective, fault-tolerant solution to protect the operating systems... -
Page 8: Operation Of Mirrored Volumes
Chapter 2: Overview of Integrated RAID Mirrored Volumes Operation of Mirrored Volumes SAS2 Integrated RAID Solution User Guide Ability of mirrored volumes to run in optimal mode or in degraded mode if one mirrored disk in an Integrated Mirroring volume fails or if one or more mirrored disks fail in an Integrated Mirroring + Striping volume or Integrated Mirroring Enhanced volume. - Page 9 SAS2 Integrated RAID Solution User Guide Chapter 2: Overview of Integrated RAID Mirrored Volumes Operation of Mirrored Volumes Integrated Mirroring Volume Primary Mirror NVSRAM (For Write Journaling) Memory Bus Fusion-MPT SAS2 Controller FLASH (For Configuration) 3_00006-00 Figure 1: Typical Integrated Mirroring Implementation The following figure shows the logical view and physical view of an Integrated Mirroring volume.
- Page 10 Chapter 2: Overview of Integrated RAID Mirrored Volumes Operation of Mirrored Volumes SAS2 Integrated RAID Solution User Guide Logical View Physical View Mirrored Stripe 1 Mirrored Stripe 1 Mirrored Stripe 1' Mirrored Stripe 2 Mirrored Stripe 2 Mirrored Stripe 2' Mirrored Stripe 3 Mirrored Stripe 3' Mirrored Stripe 3...
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Page 11: Mirrored Volume Features
SAS2 Integrated RAID Solution User Guide Chapter 2: Overview of Integrated RAID Mirrored Volumes Mirrored Volume Features 2.4 Mirrored Volume Features This section describes features of Integrated Mirroring, Integrated Mirroring + Striping, and Integrated Mirroring Enhanced volumes. You can configure one or two mirrored volumes on each LSI SAS2 controller. -
Page 12: Disk Write Caching
Chapter 2: Overview of Integrated RAID Mirrored Volumes Mirrored Volume Features SAS2 Integrated RAID Solution User Guide By default, the Integrated RAID firmware disables disk write caching for mirrored 2.4.6 Disk Write Caching volumes. It does this to ensure that the write journal entry stored in nonvolatile static RAM (NVSRAM) is always valid. -
Page 13: Chapter 3: Creating Mirrored Volumes
SAS2 Integrated RAID Solution User Guide Chapter 3: Creating Mirrored Volumes Mirrored Volume Configuration Overview Chapter 3 Creating Mirrored Volumes This chapter explains how to create Integrated Mirroring, Integrated Mirroring + Striping, and Integrated Mirroring Enhanced volumes with the LSI SAS2 BIOS Configuration Utility (SAS2 BIOS CU). -
Page 14: Creating An Integrated Mirroring Volume
Chapter 3: Creating Mirrored Volumes Creating Mirrored Volumes SAS2 Integrated RAID Solution User Guide Disks must have 512-byte blocks and must not have removable media. Integrated mirroring volumes must have two disks, Integrated Mirroring Enhanced volumes can have three-to-ten disks, and Integrated Mirroring + Striping volumes can have an even number of disks ranging from four-to-ten disks. -
Page 15: Creating An Integrated Mirroring Enhanced Or Integrated Mirroring + Striping Volume
SAS2 Integrated RAID Solution User Guide Chapter 3: Creating Mirrored Volumes Creating Mirrored Volumes 4. Move the cursor to the RAID Disk column and select a line that has a No entry in this column, indicating that the disk is not already part of the volume you are creating. To add the disk to the new array, change the No to Yes by pressing the space bar. -
Page 16: Expanding An Integrated Mirroring Volume With Oce
Chapter 3: Creating Mirrored Volumes Creating Mirrored Volumes SAS2 Integrated RAID Solution User Guide 4. Move the cursor to the RAID Disk column and select a line that has a No entry in this column, which indicates that the disk is not already part of the volume you are creating. -
Page 17: Managing Hot Spare Disks
SAS2 Integrated RAID Solution User Guide Chapter 3: Creating Mirrored Volumes Managing Hot Spare Disks 4. Again, wait until synchronization completes on the new disk and the volume returns to the Optimal state. 5. In the Adapter List window of the SAS2 BIOS CU, use the arrow keys to select the LSI SAS adapter with the RAID 1 volume, and then press Enter. -
Page 18: Deleting Hot Spare Disks
Chapter 3: Creating Mirrored Volumes Managing Hot Spare Disks SAS2 Integrated RAID Solution User Guide Figure 6: Manage Array Window The Manage Hot Spares window appears. 6. Identify a disk that is not part of a RAID volume (i.e., the value in the Drive Status column is not RAID) and that is not already identified as a hot spare disk. -
Page 19: Other Configuration Tasks
SAS2 Integrated RAID Solution User Guide Chapter 3: Creating Mirrored Volumes Other Configuration Tasks 3.4 Other Configuration Tasks This section explains how to perform other configuration and maintenance tasks for mirrored volumes. Follow these steps to view the RAID properties of the mirrored volume(s): 3.4.1 Viewing Volume Properties 1. -
Page 20: Activating An Array
Chapter 3: Creating Mirrored Volumes Other Configuration Tasks SAS2 Integrated RAID Solution User Guide A volume (array) can become inactive if, for example, you remove it from one controller 3.4.3 Activating an Array or computer and install it on a different one. The Activate Array option allows you to reactivate an inactive volume. -
Page 21: Locating Disk Drives In A Volume
SAS2 Integrated RAID Solution User Guide Chapter 3: Creating Mirrored Volumes Other Configuration Tasks After a pause, the utility deletes the array. If there is another remaining array and one or two hot spare disks, the BIOS checks the hot spare disks to determine if they are compatible with the remaining volume. - Page 22 Chapter 3: Creating Mirrored Volumes Other Configuration Tasks SAS2 Integrated RAID Solution User Guide Figure 7: Boot Device on SAS Topology Window If a device is currently designated as the alternate boot device, the Device Info column shows the word Alt. 3.
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Page 23: Chapter 4: Overview Of Integrated Striping
SAS2 Integrated RAID Solution User Guide Chapter 4: Overview of Integrated Striping Introduction Chapter 4 Overview of Integrated Striping This chapter provides an overview of the LSI Integrated RAID features that support the creation of striped arrays. 4.1 Introduction The LSI Integrated RAID solution enables you to create Integrated Striping volumes for applications that require the faster performance and increased storage capacity of striping. -
Page 24: Integrated Striping Description
Chapter 4: Overview of Integrated Striping Integrated Striping Description SAS2 Integrated RAID Solution User Guide 4.3 Integrated Striping On Integrated Striping volumes, the firmware writes data across multiple disks instead Description of onto one disk. It does this by partitioning each disk’s storage space into 64-KB stripes. -
Page 25: Chapter 5: Creating Integrated Striping Volumes
SAS2 Integrated RAID Solution User Guide Chapter 5: Creating Integrated Striping Volumes Integrated Striping Configuration Over- Chapter 5 Creating Integrated Striping Volumes This chapter explains how to create Integrated Striping volumes using the LSI SAS2 BIOS Configuration Utility (SAS2 BIOS CU). 5.1 Integrated Striping The LSI SAS2 BIOS CU is a menu-driven utility program that enables you to easily Configuration Overview... - Page 26 Chapter 5: Creating Integrated Striping Volumes Creating Integrated Striping Volumes SAS2 Integrated RAID Solution User Guide Disks must have 512-byte blocks and must not have removable media. Integrated Striping volumes must have at least two disks and no more than 10 disks. Integrated Striping volumes do not support hot spare disks.
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Page 27: Other Configuration Tasks
SAS2 Integrated RAID Solution User Guide Chapter 5: Creating Integrated Striping Volumes Other Configuration Tasks 8. From the menu options, select Save changes then exit this menu. A Processing message appears briefly, and then the SAS2 BIOS CU returns to the Adapter Properties window. -
Page 28: Deleting An Array
Chapter 5: Creating Integrated Striping Volumes Other Configuration Tasks SAS2 Integrated RAID Solution User Guide 6. Press Y to activate the array. The array becomes active after a pause. CAUTION: Before you delete an array, be sure to back up the data. 5.3.3 Deleting an Array Follow these steps to delete a selected volume (array): 1. -
Page 29: Selecting A Boot Disk
SAS2 Integrated RAID Solution User Guide Chapter 5: Creating Integrated Striping Volumes Other Configuration Tasks NOTE: The LEDs on the disk drives flash, as previously described, if the firmware configuration is correct and the drives are in a disk enclosure. You can select a boot disk in the SAS Topology window. - Page 30 Chapter 5: Creating Integrated Striping Volumes Other Configuration Tasks SAS2 Integrated RAID Solution User Guide 6. To select an alternate boot disk, move the cursor to the disk and press Alt + A. NOTE: To change the alternate boot device from one disk to another, follow steps 4 and 5 in this procedure, but use Alt + A instead of Alt + B.
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Page 31: Appendix A: Using The Sas2 Integrated Raid Configuration Utility
SAS2 Integrated RAID Solution User Guide Appendix A: Hardware and Software Requirements Appendix A Using the SAS2 Integrated RAID Configuration Utility This appendix explains how to use the command-line-driven SAS2 Integrated RAID configuration utility (SAS2IRCU) to create Integrated RAID volumes on LSI SAS2 controllers in the manufacturing environment. -
Page 32: Operating System And Software Support
Appendix A: Interface Description SAS2 Integrated RAID Solution User Guide SAS2IRCU requires PCI™ 2.x or PCI 3.0 firmware and MPI v2.0. SAS2IRCU supports the A.1.2 Operating System and Software Support following operating systems: WinPE 1.x (Server 2003/XP), WinPE 2.0 (Vista), WinPE 2.1 (Server 2008) Requires Windows®... -
Page 33: Common Command-Line Parameters
SAS2 Integrated RAID Solution User Guide Appendix A: Commands Table 1: SASIRCU Commands (Continued) Operating System SAS2IRCU Command Linux WinPE CONSTCHK ACTIVATE LOCATE LOGIR The commands are not case sensitive. The command descriptions use the following conventions: Enter the text in italic exactly as shown on the command line. ... - Page 34 Appendix A: Commands SAS2 Integrated RAID Solution User Guide The disk identified by the first Enclosure:Bay on the command line becomes the primary disk drive when you create an Integrated Mirroring (RAID 1) volume. If the controller resynchronizes the disk drives, the data on the primary disk drive becomes available when you access the newly created volume.
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Page 35: Delete Command
SAS2 Integrated RAID Solution User Guide Appendix A: Commands 0x00 SUCCESS: Command completed successfully. Program Return Value 0x01 FAILURE: Bad command-line arguments or operational failure. 0x02 ADAPTER_NOT_FOUND: Cannot find specified adapter. The DELETE command deletes all of the Integrated RAID volumes and hot spare drives A.3.3 DELETE Command from the specified LSI SAS2 controller. - Page 36 Appendix A: Commands SAS2 Integrated RAID Solution User Guide Following is a sample of the information that the DISPLAY command returns. Sample Output Read configuration has been initiated for controller 0 ------------------------------------------------------------ Controller information ------------------------------------------------------------ Controller type : SAS2008 BIOS version : 7.00.02.00 Firmware version : 00.250.19.0...
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Page 37: Hotspare Command
SAS2 Integrated RAID Solution User Guide Appendix A: Commands Logical drive status values are as follows: Okay (OKY) – The volume is active and drives are functioning properly. User data is protected if the current RAID level provides data protection. Degraded (DGD) –... -
Page 38: Status Command
Appendix A: Commands SAS2 Integrated RAID Solution User Guide Observe the following rules when creating hot spare disks: You cannot create a hot spare disk unless at least one RAID1, RAID10, or RAID1E volume already exists. You cannot create a hot spare and add it to an inactive Integrated RAID volume. ... -
Page 39: List Command
SAS2 Integrated RAID Solution User Guide Appendix A: Commands Following is an example of the information that the STATUS command returns when a Sample Output volume resynchronization is in progress: Background command progress status for controller 0... IR Volume 1 Volume ID Current operation : Synchronize... -
Page 40: Mfgpage Command
Appendix A: Commands SAS2 Integrated RAID Solution User Guide The MFGPAGE command updates information on manufacturing pages. Only DOS and A.3.8 MFGPAGE Command EFI support this command. sas2ircu <controller_#> mfgpage <passcode> <mfgpage_#> Command Line <offset> <value> <controller_#> – The index of the controller with the manufacturing pages ... -
Page 41: Locate Command
SAS2 Integrated RAID Solution User Guide Appendix A: Commands The LOCATE command locates a specific drive in a volume by turning on its location A.3.11 LOCATE Command indicator and flashing its LED. sas2ircu <controller_#> locate <Enclosure:Bay> <action> Command Line <controller_#> – The index of the controller with the drives that you need ...