6 Configuring RAID devices
This chapter describes how to configure SAS and SATA RAID devices:
●
Configuring SAS RAID devices on page 145
●
Configuring SATA RAID devices on page 147
For additional information about configuring RAIDs, see
http://www.hp.com/support/RAID_FAQs. For
information about preparing your workstation for RAID configuration, see
http://www.hp.com/support/
workstation_manuals.
Configuring SAS RAID devices
Supported configurations
The following RAID configurations are supported on HP xw8600 Workstations:
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 five internal SAS hard disk drives
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SAS-to-SATA data and power converter
●
LSI MegaRAID Storage Manager (MSM) for Windows
The following RAID configurations are supported on HP xw8600 Workstations:
●
RAID 0 – Striped disk array
◦
Two drive minimum
◦
Improved I/O performance
◦
No fault tolerance
●
RAID 1 — Mirrored disk array
◦
Two drives
◦
100% redundancy
◦
Can recover from single drive failure
◦
Improved read performance
●
RAID 1E
◦
Two 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
ENWW Configuring SAS RAID devices 145
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