Contents
●
9
SAS Expander Connections........................................................................ 70
How is SAS Different from Parallel SCSI? ....................................................... 71
Understanding RAID
Understanding Drive Segments ....................................................................... 73
Non-redundant Arrays (RAID 0)..................................................................... 73
RAID 1 Arrays ................................................................................................... 74
RAID 1 Enhanced Arrays.................................................................................. 74
RAID 10 Arrays ................................................................................................. 75
RAID 5 Arrays ................................................................................................... 76
RAID 5EE Arrays............................................................................................... 77
RAID 50 Arrays ................................................................................................. 78
RAID 6 Arrays ................................................................................................... 79
RAID 60 Arrays ................................................................................................. 79
Selecting the Best RAID Level .......................................................................... 80
Using the Adaptec RAID Configuration Utility
Introduction to the ARC Utility....................................................................... 82
Running the ARC Utility .................................................................................. 82
Navigating the ARC Utility ........................................................................ 82
Using the ACU to Create and Manage Arrays................................................. 82
Creating a New Array ................................................................................. 82
Managing Existing Arrays .......................................................................... 83
Initializing Disk Drives ............................................................................... 84
Rescanning Disk Drives.............................................................................. 84
Secure Erasing Disk Drives......................................................................... 84
Managing Global Hot Spares ..................................................................... 85
Using the ACU to Create and Manage JBODs ................................................ 85
Creating a New JBOD................................................................................. 85
Managing Existing JBODs.......................................................................... 86
Using Serial
Select
to Modify Controller Settings............................................. 86
Opening Serial
Select
.................................................................................... 86
Applying Changes and Exiting................................................................... 86
Modifying Your Controller’s Configuration............................................. 86
Formatting and Verifying Disk Drives............................................................. 88
Locating Disk Drives......................................................................................... 89
Identifying Disk Drives ..................................................................................... 89
Viewing the Event Log ...................................................................................... 90
Using the Array Configuration Utility for DOS
Getting Started .................................................................................................. 92
Working in the ACU Using Menus.................................................................. 92
Running the ACU Using Scripts ...................................................................... 93
About Playback Mode ................................................................................ 93
About Record Mode ................................................................................... 94