HP 166207-B21 Advanced Data Guarding User Guide - Page 20

NetWare, Assigning an Online Spare Drive, Choose Save Configuration from the Controller menu.

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System Setup 3-5 3. Change the stripe size, if required. The default setting is 16 kB for RAID ADG, suitable for most common uses. The Stripe Size section later in this chapter discusses stripe sizes most useful for various applications. 4. Click the Done button. 5. Choose Save Configuration from the Controller menu. 6. Choose Exit from the Controller menu. NetWare If you are migrating from a logical drive that is configured for RAID 0 or RAID 5, you will need to expand the array before migrating to RAID ADG. Check that you have the latest support pack or operating system patch from the Novell website installed on your system, and check that you also have the latest drivers for the Smart Array 5300 from the Compaq website. 1. Add at least one extra hard drive to your system if migrating from RAID 5, or two extra hard drives if migrating from RAID 0. The capacity of each added drive should be no less than that of the smallest hard drive currently used in the logical volume. 2. Open the CPQONLIN utility. 3. Expand the array if necessary, and continue migrating to RAID ADG when expansion is complete. 4. On the Main Configuration View screen, highlight the logical drive that is to be reconfigured for RAID ADG. 5. Click the Drive Settings option on the Logical Drive menu. 6. Choose RAID ADG from the list. 7. Choose a stripe size. The Stripe Size section later in this chapter discusses stripe sizes most useful for various applications. 8. Save the changes and close out of CPQONLIN. Assigning an Online Spare Drive In fault-tolerant systems, addition of an online spare (hot spare) to a logical drive provides further protection against data loss caused by hard drive failure. As soon as drive failure occurs, missing data can be automatically rebuilt from parity data onto the online spare. Without an online spare there is a chance that

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System Setup
3-5
3.
Change the stripe size, if required. The default setting is 16 kB for
RAID ADG, suitable for most common uses. The Stripe Size section
later in this chapter discusses stripe sizes most useful for various
applications.
4.
Click the Done button.
5.
Choose Save Configuration from the Controller menu.
6.
Choose Exit from the Controller menu.
NetWare
If you are migrating from a logical drive that is configured for RAID 0 or
RAID 5, you will need to expand the array before migrating to RAID ADG.
Check that you have the latest support pack or operating system patch from the
Novell website installed on your system, and check that you also have the
latest drivers for the Smart Array 5300 from the Compaq website.
1.
Add at least one extra hard drive to your system if migrating from
RAID 5, or two extra hard drives if migrating from RAID 0. The
capacity of each added drive should be no less than that of the smallest
hard drive currently used in the logical volume.
2.
Open the CPQONLIN utility.
3.
Expand the array if necessary, and continue migrating to RAID ADG
when expansion is complete.
4.
On the Main Configuration View screen, highlight the logical drive that
is to be reconfigured for RAID ADG.
5.
Click the Drive Settings option on the Logical Drive menu.
6.
Choose RAID ADG from the list.
7.
Choose a stripe size. The Stripe Size section later in this chapter
discusses stripe sizes most useful for various applications.
8.
Save the changes and close out of CPQONLIN.
Assigning an Online Spare Drive
In fault-tolerant systems, addition of an online spare (hot spare) to a logical
drive provides further protection against data loss caused by hard drive failure.
As soon as drive failure occurs, missing data can be automatically rebuilt from
parity data onto the online spare. Without an online spare there is a chance that