6
Configuring RAID devices
This chapter describes how to configure SAS and SATA RAID devices:
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Configuring SAS RAID devices on page 135
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Configuring SATA RAID devices on page 137
For additional information about configuring RAIDs, see http://www.hp.com/support/RAID_FAQs. For
information about preparing your workstation for RAID configuration, see
workstation_manuals.
Configuring SAS RAID devices
Supported configurations
The following RAID configurations are supported on the HP xw6600 Workstation.
NOTE:
This section does not apply to configuring SAS RAID in the Linux environment. For Linux SAS
RAID, including supported configurations, refer to Installing and Configuring SAS Hardware RAID on
HP Linux Workstations at http://www.hp.com/support/xw6600_manuals.
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Up to four internal SAS hard disk drives
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SAS to SATA data and power converter
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LSI MegaRAID Storage Manager (MSM) for Windows
The following RAID configurations are supported on the HP xw6600 Workstation:
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RAID 0 – Striped disk array
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Two drive minimum
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Improved I/O performance
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No fault tolerance
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RAID 1 — Mirrored disk array
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Two drives
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100% redundancy
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Can recover from single drive failure
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Improved read performance
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RAID 1E
◦
Three drives minimum
◦
Can be an odd number of drives
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Can always recover from a single drive failure and, in some cases, can recover from two drive
failures
ENWW
http://www.hp.com/support/
Configuring SAS RAID devices 135