3.13.2 Caching Attributes Arrays can also be configured to provide Read and Write Back cache, Write Back cache, Read
Ahead cache and No cache option with RAIDXpert2 configuration utility and WebGUI utility,
if desired. Write Back caching has a large effect on most workloads, but should be used
36 Understanding Arrays, Disks and RAID Levels Chapter 3
3.13.3 Application Workload When configuring an array, workload is probably the most important performance variable. Most
applications do many more reads than writes. The best performance is obtained with array types
like RAID0 or RAID10.
3.14 RAID Reliability Considerations RAID reliability is enhanced through data redundancy and backup.