Supported Sas Raid Configurations - HP xw4400 Service And Technical Reference Manual

Supported SAS RAID configurations

NOTE
the Linux environment, configure SW RAID configurations as provided by Red Hat Enterprise
Linux.
Before setting up a RAID, the HP xw6400 Workstation requires:
●
Up to 3 internal or external SAS hard disk drives
● Internal-to-external cable for external connections
●
SAS to SATA data and power converter
●
LSI MyStorage Utility for Windows
The following RAID configurations are supported on the HP xw6400 Workstation:
●
RAID 0 – Striped disk array
●
Two drives minimum
●
Improved I/O performance
●
No fault tolerance
●
RAID 1 — Mirrored disk array
●
Two drive minimum
● 100% redundancy
●
Can recover from single drive failure
●
Improved read performance
●
RAID 1E
●
Three drives minimum
●
Can be an odd number of drives
●
Can always recover from a single drive failure and, in some cases, can recover from two drive
failures
144 Appendix A Appendix A — SAS devices
This section does not apply to configuring RAID in the Linux environment. For RAID in
ENWW