Microsemi Adaptec ASR-8405E - Page 9

A.10 What are the SAS Connection Options?.........................................................................................................46
A.10.1 Direct-attach Connections...............................................................................................................47
A.10.2 Backplane Connections...................................................................................................................47
A.10.3 SAS Expander Connections..............................................................................................................47
A.11 How is SAS Different from Parallel SCSI? .......................................................................................................48
Appendix B Understanding RAID........................................................................................................49
B.1 Understanding Drive Segments........................................................................................................................49
B.2 Non-redundant Arrays (RAID 0)........................................................................................................................49
B.3 RAID 1 Arrays ...................................................................................................................................................50
B.4 RAID 1 Enhanced Arrays...................................................................................................................................50
B.5 RAID 10 Arrays..................................................................................................................................................51
B.6 RAID 5 Arrays....................................................................................................................................................52
B.7 RAID 5EE Arrays................................................................................................................................................53
B.8 RAID 50 Arrays..................................................................................................................................................54
B.9 RAID 6 Arrays....................................................................................................................................................55
B.10 RAID 60 Arrays................................................................................................................................................55
B.11 Comparing RAID Levels...................................................................................................................................56
Appendix C Using the Microsemi Adaptec RAID Conguration Utility...............................................57
C.1 Introduction to the ARC Utility.........................................................................................................................57
C.1.1 Ctrl-A or uEFI/HII? .............................................................................................................................57
C.1.2 Running the ARC Utility.....................................................................................................................57
C.2 Using the ARC Utility to Create and Manage Arrays.........................................................................................58
C.2.1 Creating a New Array.........................................................................................................................58
C.2.2 Managing Existing Arrays...................................................................................................................58
C.2.3 Initializing Disk Drives........................................................................................................................60
C.2.4 Rescanning Disk Drives......................................................................................................................60
C.2.5 Secure Erasing Disk Drives.................................................................................................................60
C.2.6 Uninitializing Disk Drives...................................................................................................................61
C.2.7 Managing Global Hot Spares.............................................................................................................61
C.3 Using the ARC Utility to Modify Controller Settings.........................................................................................61
C.3.1 Opening the Controller Settings Tool ................................................................................................61
C.3.2 Applying Changes and Exiting............................................................................................................61
C.3.3 Modifying Your Controller’s Conguration........................................................................................62
C.3.4 Checking Backup Unit Status.............................................................................................................66
C.4 Formatting and Verifying Disk Drives................................................................................................................66
C.5 Locating Disk Drives..........................................................................................................................................66
C.6 Identifying Disk Drives .....................................................................................................................................67
C.7 Setting the Drive Write-Cache Policy................................................................................................................67
C.8 Updating the Controller Firmware....................................................................................................................68
C.9 Updating the Controller CPLD...........................................................................................................................68
C.10 Creating a Support Archive.............................................................................................................................68
C.11 Viewing the Event Log ...................................................................................................................................69
Appendix D Using the Adaptec Flash Utility.......................................................................................70
D.1 System Requirements.......................................................................................................................................70
D.1.1 Compatibility Notes...........................................................................................................................70
D.2 Before You Begin..............................................................................................................................................70
D.2.1 Obtaining the Firmware.....................................................................................................................70
D.2.2 Creating the Firmware Update Disk ..................................................................................................70
D.3 Running the Menu-based AFU.........................................................................................................................71
D.4 Running the AFU from the Command Line......................................................................................................71
D.4.1 AFU Commands.................................................................................................................................72
D.5 Updating the Flash Using the AFU Command Line...........................................................................................74
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Microsemi Proprietary and Condential. Installation and User's Guide Revision 5
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