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

Configuring SAS RAID devices

Supported configurations

The following RAID configurations are supported on this workstation:
NOTE:
This section does not apply to configuring SAS RAID in the Linux environment. For Linux SAS
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.
Up to the workstation-specific maximum number of internal SAS hard disk drives
●
LSI MegaRAID Storage Manager (MSM) for Windows
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The following RAID configurations are supported on this workstation:
RAID 0 – Striped disk array (IS)
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Two drive minimum
◦
Improved I/O performance
◦
◦ No fault tolerance
RAID 1 — Mirrored disk array (IM)
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Two drives
◦
100% redundancy
◦
Can recover from single drive failure
◦
Improved read performance
◦
RAID 1E (IME)
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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
260 Chapter 7 Configuring RAID devices ENWW