Dell 39320A User Guide - Page 15

Configuration Planning, Entering the BIOS Configuration Utility

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NOTICE: It is recommended that you not use the unused portion of the global hot spare as it may result in a single drive RAID 1. Drive Roaming Drive roaming enables a RAID volume to be moved from one controller to another controller without interruption. Each drive has a unique ID which can be physically changed by setting a jumper to allow drive roaming. Formatting Most drives can re-assign sectors to recover from failures. Formatting a drive may allow re-assigning of failed sectors, allowing a RAID controller to utilize the drive. See "Verifying or Formatting a Disk" for more information. Rebuilding The Rebuild feature of the Adaptec U320 SCSI RAID 0 or 1 allows for an array to synchronize the hard drives, and restore fault tolerance in a redundant RAID array. See "Rebuilding Arrays" for more information. Configuration Planning Optimal configurations are different for each unique purpose. When planning your RAID configuration, factors to consider are: Number of hard drives Purpose of the Array Fault Tolerance Performance Capacity Spare Drives Global Hot Spares Entering the BIOS Configuration Utility During POST of the system a splash screen will appear:

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NOTICE: It is recommended that you
not
use the unused portion of the global hot spare as it may result in a
single drive RAID 1.
Drive Roaming
Drive roaming enables a RAID volume to be moved from one controller to another controller without interruption.
Each drive has a unique ID which can be physically changed by setting a jumper to allow drive roaming.
Formatting
Most drives can re-assign sectors to recover from failures.
Formatting a drive may allow re-assigning of failed sectors, allowing a RAID controller to utilize the drive. See
"
Verifying or Formatting a Disk
" for more information.
Rebuilding
The Rebuild feature of the Adaptec U320 SCSI RAID 0 or 1 allows for an array to synchronize the hard drives, and
restore fault tolerance in a redundant RAID array. See "
Rebuilding Arrays
" for more information.
Configuration Planning
Optimal configurations are different for each unique purpose. When planning your RAID configuration, factors to
consider are:
Number of hard drives
Purpose of the Array
Fault Tolerance
Performance
Capacity
Spare Drives
Global Hot Spares
Entering the BIOS Configuration Utility
During POST of the system a splash screen will appear: