
Contents
●
9
Backplane Connections .............................................................................. 71
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......................................................................... 87
Managing Global Hot Spares ..................................................................... 87
Using the ACU to Create and Manage JBODs ................................................ 87
Creating a New JBOD................................................................................. 87
Managing Existing JBODs.......................................................................... 88
Using the ACU to Manage the MaxIQ Pool.................................................... 88
Using Serial
Select
to Modify Controller Settings............................................. 88
Opening Serial
Select
.................................................................................... 89
Applying Changes and Exiting................................................................... 89
Modifying Your Controller’s Configuration............................................. 89
Formatting and Verifying Disk Drives............................................................. 91
Locating Disk Drives......................................................................................... 91
Identifying Disk Drives ..................................................................................... 92
Viewing the Event Log ...................................................................................... 92
Using the Array Configuration Utility for DOS
Getting Started .................................................................................................. 94
Working in the ACU Using Menus.................................................................. 94
Running the ACU Using Scripts ...................................................................... 95