HP xw8600 HP xw8600 Workstation Service and Technical Reference Guide - Page 155

Configuring RAID devices, Configuring SAS RAID devices, Supported configurations

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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 ● 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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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
support/RAID_FAQs
. For
information about preparing your workstation for RAID configuration, see
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
support/xw8600_manuals
.
Up to five internal SAS hard disk drives
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