Configuring Sas Raid Devices; Supported Configurations - HP Z800 Workstation Maintenance And Service Manual

Configuring SAS RAID devices

Supported configurations

The following RAID configurations are supported on this workstation:
NOTE:
RAID information, including supported configurations, refer to Installing and Configuring SAS Hardware
RAID on HP Linux Workstations at http://www.hp.com/support/xw8600_manuals.
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The following RAID configurations are supported on this workstation:
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ENWW
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This section does not apply to configuring SAS RAID in the Linux environment. For Linux SAS
Up to the workstation-specific maximum number of internal SAS hard disk drives
LSI MegaRAID Storage Manager (MSM) for Windows
RAID 0 – Striped disk array (IS)
◦
Two drive minimum
◦
Improved I/O performance
◦
No fault tolerance
RAID 1 — Mirrored disk array (IM)
◦ Two drives
◦
100% redundancy
◦
Can recover from single drive failure
◦
Improved read performance
RAID 1E (IME)
◦
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
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Configuring SAS RAID devices 227