Contents
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9
SAS Expander Connections........................................................................ 72
How is SAS Different from Parallel SCSI? ....................................................... 73
Understanding RAID
Understanding Drive Segments ....................................................................... 75
Non-redundant Arrays (RAID 0)..................................................................... 75
RAID 1 Arrays ................................................................................................... 76
RAID 1 Enhanced Arrays.................................................................................. 76
RAID 10 Arrays ................................................................................................. 77
RAID 5 Arrays ................................................................................................... 78
RAID 5EE Arrays............................................................................................... 79
RAID 50 Arrays ................................................................................................. 80
RAID 6 Arrays ................................................................................................... 81
RAID 60 Arrays ................................................................................................. 81
Selecting the Best RAID Level .......................................................................... 82
Using the Adaptec RAID Configuration Utility
Introduction to the ARC Utility....................................................................... 84
Running the ARC Utility .................................................................................. 84
Navigating the ARC Utility ........................................................................ 84
Using the ACU to Create and Manage Arrays................................................. 84
Creating a New Array ................................................................................. 84
Managing Existing Arrays .......................................................................... 85
Initializing Disk Drives ............................................................................... 86
Rescanning Disk Drives.............................................................................. 86
Secure Erasing Disk Drives......................................................................... 86
Using the ACU to Create and Manage JBODs ................................................ 86
Creating a New JBOD................................................................................. 87
Managing Existing JBODs.......................................................................... 87
Using Serial
Select
to Modify Controller Settings............................................. 87
Opening Serial
Select
.................................................................................... 87
Applying Changes and Exiting................................................................... 87
Modifying Your Controller’s Configuration............................................. 88
Formatting and Verifying Disk Drives............................................................. 89
Locating Disk Drives......................................................................................... 90
Identifying Disk Drives ..................................................................................... 90
Viewing the Event Log ...................................................................................... 91
Using the Array Configuration Utility for DOS
Getting Started .................................................................................................. 93
Working in the ACU Using Menus.................................................................. 93
Running the ACU Using Scripts ...................................................................... 94
About Playback Mode ................................................................................ 94
About Record Mode ................................................................................... 95
Creating the Script File Manually .............................................................. 95