Dell Adaptec U320 SCSI Raid 0 or 1 Controller Card - Manual (Page 13)

Back to Contents Page
BIOS RAID Configuration And Management
Adaptec™ U320 SCSI RAID 0 or 1 User's Guide
Configuration Strategies
RAID Availability
Configuration Planning
Entering the BIOS Configuration Utility
Controller Configuration
Using SCSISelect Settings
Using HostRAID Settings
Array Setup
Managing Arrays
Deleting Arrays
Using SCSI Disk Utilities
Configuration Strategies
Three factors drive the implementation of RAID configurations:
Fault Tolerance, (Drive Availability)
Performance
Capacity
The needs and priorities in regards to each of these factors determine the optimal RAID level and configuration for the
specific usage for which the RAID array is intended.
Maximizing Fault Tolerance
RAID Level Fault Tolerance Description
0 Not fault tolerant. Drive failures are not tolerated.
1 Disk mirroring; a complete copy of data on a secondary hard drive. One drive failure can be tolerated.