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HP Z-Series Workstations - Configuring RAID devices

Topics

For additional information about configuring RAIDs, see http://www.hp.com/support/RAID_FAQs. For information about preparing the computer for RAID configuration, see http://www.hp.com/support/workstation_manuals.
  caution:
The following process will format all hard drives involved in the RAID configuration. Be sure to back up all data on the hard drives before configuring RAID.

Maximum RAID hard drive configurations

This section lists the maximum number of hard drives supported on HP workstations for RAID configurations.
note:
This section applies to internal workstation configurations that do not use add-in cards and JBODs.
note:
Use the table values to determine the workstation model-specific maximum number of hard drives as discussed in the sections below.
Maximum hard drives
Workstation
8.5mm (3.5") SATA
hard drive
6.3mm (2.5") SATA
hard drive
Z800
5
6
Z600
3
4
Z400
4
4
Z210 CMT
3
3
Z210 SFF
2
2

Configuring SATA RAID devices

This section describes how to use the Intel® Rapid Storage Manager option ROM Configuration utility to set up and manage SATA RAID volumes.
The following SATA RAID configurations are supported on this computer:
  • Up to the computer-specific maximum number of internal SATA hard disk drives and eSATA drives (if you use an optional eSATA bulkhead cable)
  • Intel Rapid Storage Manager (IRSM) for Windows
If only a single HDD is attached, the Intel Rapid Storage Manager option ROM does not execute. Associated messages are not displayed.
The Intel SATA AHCI BIOS executes when you select RAID+AHCI for the SATA emulation mode. This BIOS is only used to support serial-attached drives configured as a RAID array.
This section does not apply to configuring SATA RAID in the Linux environment. For Linux SATA RAID, refer to the Software RAID in Linux Workstations section in the HP Workstations for Linux User Guide.

Attaching SATA HDDs

Attach the required minimum number of SATA hard drives for the desired RAID level:
  • 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 5 — Striped disk array with distributed parity
    • Three or more drives (for workstations that support three or more hard drives)
    • Fault tolerant and provides I/O performance improvement, especially for write-biased applications
    • Single drive failure does not cause data loss (performance is compromised until the failed drive is replaced and the array rebuilt).

Configuring system BIOS

Configure the system BIOS to enable embedded SATA RAID functionality.
  1. To enter the system BIOS setup, press F10.
  2. Use the arrow keys to highlight the desired language, and then press Enter.
  3. Use the arrows to highlight Storage>Storage Options, and then press Enter.
  4. Use the up or down arrow key to highlight SATA Emulation.
  5. Use the left or right arrow key to select RAID+AHCI.
  6. To accept the new setting, press F10.
  7. Use the arrows to highlight Advanced>Power-On Options, and then press Enter.
  8. Use the up or down arrow key to highlight POST Messages.
  9. Use the left or right arrow key to select Enable.
  10. To accept the new setting, press F10.
  11. Use the arrow keys to highlight Advanced>Device Options, and then press Enter.
  12. Use the up or down arrow key to highlight SATA RAID Option ROM Download, and then press Enter.
  13. Use the left or right arrow key to select Enable.
  14. To accept the new setting, press F10.
  15. Use the arrows to highlight File>Save Changes and Exit, and then press Enter.
  16. Press F10 when prompted.

Creating RAID volumes (Intel Matrix)

To create RAID volumes, use the Intel Rapid Storage Manager option ROM Configuration utility.
  1. To enter the Intel Rapid Storage Manager option ROM Configuration utility, press Ctrl+I when prompted.
  2. If required, refer the computer Maintenance and Service Guide to make available enough physical drives to create the RAID volume.
  3. Use the up or down arrow key to highlight 1. Create RAID Volume, and then press Enter.
  4. Type the desired RAID volume name in the Name: field, and then press Tab.
  5. Use the up or down arrow key to select the RAID level in the RAID Level: field, and then press Tab.
  6. If three or more hard drives are installed (for workstations that support three or more hard drives):
    1. Press Enter to display the Select dialog.
    2. Use the up and down arrow keys and Space to mark individual physical as members of the volume.
    3. Press Enter to exit the Select dialog and return to the Create Volume Menu dialog.
  7. If appropriate, use the up or down arrow key to select the Stripe Size in the Stripe Size: field, and then press Tab.
  8. Enter the desired volume size in the Capacity: field, and then press Tab.
  9. Press Enter to initiate volume creation.
  10. When prompted, press Y to acknowledge the warning message and create the volume.
  11. Use the up or down arrow key to highlight 5. Exit, and then press Enter.
  12. Press Y when prompted to confirm the exit.

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