User`s guide

Contents 10
What do SAS Cables Look Like?...................................................75
How are Disk Drives Identified in SAS?.......................................75
What are the SAS Connection Options? ......................................76
Direct-attach Connections.....................................................76
Backplane Connections..........................................................76
SAS Expander Connections....................................................77
How is SAS Different from Parallel SCSI?....................................78
B Understanding RAID
Understanding Drive Segments....................................................80
RAID 0 (Non-RAID Arrays).........................................................80
RAID 1 Arrays................................................................................81
RAID 1 Enhanced Arrays..............................................................82
RAID 10 Arrays..............................................................................83
RAID 5 Arrays................................................................................84
RAID 5EE Arrays...........................................................................85
RAID 50 Arrays..............................................................................86
RAID 6 Arrays................................................................................87
RAID 60 Arrays..............................................................................88
Selecting the Best RAID Level.......................................................89
C Using the Adaptec RAID Controller Utility
Introduction to the Adaptec RAID Controller Utility.................91
Running the Adaptec RAID Controller Utility............................91
Navigating the Adaptec RAID Controller Utility..................91
Using the ACU to Create and Manage Arrays.............................92
Creating a New Array.............................................................92
Managing Existing Arrays ......................................................92
Initializing Disk Drives...........................................................93
Rescanning Disk Drives..........................................................93
Secure Erasing Disk Drives.....................................................94
Using the -Select Utility to Modify Controller Settings...............95
Opening a -Select Utility.........................................................95
Applying Changes and Exiting...............................................95
Modifying Your Controller’s Configuration.........................95
General Controller Settings....................................................96
SAS-specific Controller Settings ............................................97