LSI SAS2 manual Table of Contents

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SAS2 Integrated RAID Solution User Guide

Table of Contents

Table of Contents

Chapter 1: Introduction to the Integrated RAID Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Benefits and Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2.1 Host Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2.2 Metadata Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

1.2.3 SMART Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

1.2.4 Fusion-MPT Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Chapter 2: Overview of Integrated RAID Mirrored Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 Integrated Mirroring and Integrated Mirroring Enhanced Features

. 7

2.3 Operation of Mirrored Volumes

. 8

2.4 Mirrored Volume Features

11

2.4.1 Resynchronization with Concurrent Host I/O Operation

11

2.4.2 Hot Swapping

11

2.4.3 Hot Spare Disk

11

2.4.4 Online Capacity Expansion

11

2.4.5 Media Verification

11

2.4.6 Disk Write Caching

12

2.4.7 NVSRAM Usage

12

2.4.8 Background Initialization

12

2.4.9 Consistency Check

12

2.4.10 Make Data Consistent

12

Chapter 3: Creating Mirrored Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.1 Mirrored Volume Configuration Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

3.2 Creating Mirrored Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 3.2.1 Creating an Integrated Mirroring Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14 3.2.2 Creating an Integrated Mirroring Enhanced or Integrated Mirroring + Striping Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 3.2.3 Expanding an Integrated Mirroring Volume with OCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.3 Managing Hot Spare Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 3.3.1 Creating Hot Spare Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 3.3.2 Deleting Hot Spare Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

3.4 Other Configuration Tasks

19

3.4.1 Viewing Volume Properties

19

3.4.2 Running a Consistency Check

19

3.4.3 Activating an Array

20

3.4.4 Deleting an Array

20

3.4.5 Locating Disk Drives in a Volume

21

3.4.6 Selecting a Boot Disk

21

Chapter 4: Overview of Integrated Striping

23

4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

4.2 Integrated Striping Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

4.3 Integrated Striping Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

LSI Corporation Confidential August 2010

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Contents SAS2 Integrated RAID Solution Revision History Table of Contents Table of Contents Enhanced RAID 1E Introduction to the Integrated RAID SolutionFeatures OverviewBenefits and Features Overview of Integrated RAID Mirrored Volumes IntroductionTypes of mirrored arrays Operation of Mirrored Volumes Typical Integrated Mirroring Implementation Integrated Mirroring Enhanced with Three Disks Mirrored Volume Features SAS2 Integrated RAID Solution User Guide Please wait, invoking SAS Configuration Utility Creating Mirrored VolumesMirrored Volume Configuration OverviewCreate New Array window appears Select Create RAID 1 VolumeSelect Create RAID 1E Volume Expanding an Integrated Mirroring Volume with OCE Following figure Manage Array window appearsSelect New Array Type window appears Array on this adapterPress C to create the hot spare disk Manage Hot Spares window appearsSmart support Hot Spare status changes to YesOther Configuration Tasks Select RAID Properties, and then press Enter Follow these steps to activate a selected volumeCurrently inactive Press EnterSAS Topology window appears Follow these steps to select a boot diskSAS2 Bios CU, select an adapter from the Adapter List Highlight SAS Topology, and press EnterBoot Device on SAS Topology Window Boot disk or as a data disk Volumes can consist of two-to-ten disksOverview of Integrated Striping Integrated Striping Example Integrated Striping DescriptionCreating Integrated Striping Volumes Creating Integrated Striping VolumesSelect Create RAID 0 Volume Viewing Volume Properties Activating an Array Select Delete Array Following figure shows Alternate deviceSAS2 Integrated RAID Solution User Guide Using the SAS2 Integrated RAID Configuration Utility Hardware and SoftwareRequirements EFI Interface Description CommandsGB of capacity on the disk drive Command to get the enclosure and slot numbers of a driveAppearing while the command is running Following fields of IOC Page 6 specify the configurationMPI2 specification and is specific for SSD drives only  VolumeName a user-specified string to identify the volumeSas2ircu controller# display filename Sas2ircu controller# delete nopromptEnclosure information Enclosure# Logical ID 112Initiator ID Drive TypeInitializing Init The volume is initializing Configuration has changed or a drive has failedFailed FLD The volume has failed Missing MIS The volume is missingSas2ircu controller# status Sas2ircu controller# hotspare delete EnclosureBayNone  Volume status Enabled or Disabled Physical disk I/Os Quiesced or Not quiesced Sas2ircu listSas2ircu controller# activate volumeId Sas2ircu controller# constchk volumeId nopromptSas2ircu controller# logir action filename noprompt