Supported SAS RAID configurations
The following RAID configurations are supported on the HP xw9400 Workstation.
NOTE This section does not apply to configuring RAID in the Linux environment. For RAID in
the Linux environment, configure SW RAID configurations as provided by Red Hat Enterprise
Linux.
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Up to 5 internal or 8 external SAS hard disk drives/JBOD.
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External connections require optional internal-to-external cable
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SAS drives require SATA to SAS data and power converter
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LSI MyStorage Utility for Windows
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RAID 0 (IS) – Striped disk array
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Two drives minimum
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Improved I/O performance
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No fault tolerance
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RAID 1 (IM) — Mirrored disk array
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Two drives
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Improved read performance
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100% redundancy
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Can recover from single drive failure
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RAID 1E (IME)
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Three drives minimum
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Can be an odd number of drives
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Can always recover from a single drive failure, and in some cases, recover from two drive
failures
140 Appendix A SAS devices ENWW