HP Xw4400 HP xw4400 Workstation - Service and Technical Reference Guide - Page 143

Appendix A — SAS devices, Supported SAS RAID configurations, SAS RAID 0 configuration

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A Appendix A - SAS devices Supported SAS RAID configurations The following RAID configurations are supported on the HP xw4400 Workstation. NOTE: This section does not apply to configuring RAID in the Linux environment. For RAID in the Linux environment, configure SW RAID configurations as provided by Red Hat Enterprise Linux. ● Up to 3 internal or external SAS hard disk drives ● Internal-to-external cable for external connections ● SAS to SATA data and power converter ● LSI MyStorage Utility for Windows The following RAID configurations are supported on the HP xw4400 Workstation: ● RAID 0 - Striped disk array ◦ Two drives minimum ◦ Improved I/O performance ◦ No fault tolerance ● RAID 1 - Mirrored disk array ◦ Two drive minimum ◦ 100% redundancy ◦ Can recover from single drive failure ◦ Improved read performance ● RAID 1E ◦ 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 SAS RAID 0 configuration Follow the steps below to configure an Integrated Striped (IS) volume with the BIOS-based configuration utility. The configuration procedure assumes that the system already has the required disk and disk controllers. 1. On the Main menu screen of the BIOS-based configuration utility, use the arrow keys to select an adapter. 2. Press Enter to go to the Adapter Properties screen. 3. On the Adapter Properties screen, use the arrow keys to select RAID Properties. ENWW Supported SAS RAID configurations 133

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A
Appendix A — SAS devices
Supported SAS RAID configurations
The following RAID configurations are supported on the HP xw4400 Workstation.
NOTE:
This section does not apply to configuring RAID in the Linux environment. For RAID in the
Linux environment, configure SW RAID configurations as provided by Red Hat Enterprise Linux.
●
Up to 3 internal or external SAS hard disk drives
●
Internal-to-external cable for external connections
●
SAS to SATA data and power converter
●
LSI MyStorage Utility for Windows
The following RAID configurations are supported on the HP xw4400 Workstation:
●
RAID 0 – Striped disk array
◦
Two drives minimum
◦
Improved I/O performance
◦
No fault tolerance
●
RAID 1 — Mirrored disk array
◦
Two drive minimum
◦
100% redundancy
◦
Can recover from single drive failure
◦
Improved read performance
●
RAID 1E
◦
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
SAS RAID 0 configuration
Follow the steps below to configure an Integrated Striped (IS) volume with the BIOS-based configuration
utility. The configuration procedure assumes that the system already has the required disk and disk
controllers.
1.
On the Main menu screen of the BIOS-based configuration utility, use the arrow keys to select an
adapter.
2.
Press
Enter
to go to the Adapter Properties screen.
3.
On the Adapter Properties screen, use the arrow keys to select
RAID Properties
.
ENWW
Supported SAS RAID configurations
133