Expanding An Array; Migrating Raid Level Or Stripe Size - HP Configuring Arrays Reference Manual

Highlight the Controller Settings option, and then press the Enter key.
2.
The Controller Settings panel appears.
Highlight the accelerator ratio setting that you want this controller to use, and then press the Enter key.
3.
Press the Esc key to save the settings and return to the Logical Configuration View panel.
4.

Expanding an array

You can increase the storage space on an array by adding physical drives. Any drive that you want to add
must meet the following criteria:
•
It must be an unassigned drive.
•
It must be of the same type as existing drives in the array (for example, SATA or SAS).
•
It must have a capacity no less than that of the smallest drive in the array.
When you want to expand an array, allow about 15 minutes per gigabyte for the expansion to be
completed. During this time, the controller cannot perform any other expansion or migration. Performance
might be degraded slightly during the expansion, depending on the Expand Priority setting
rebuild priority or expand
expand an array during periods of low server use.
To expand an array:
Back up all data on the array. Although array expansion is unlikely to cause data loss, observing this
1.
precaution provides extra data security.
Confirm that the cache battery is connected and fully charged.
2.
In the Logical Configuration View panel, highlight the array, and then press the Enter key.
3.
In the Array Options menu, highlight the Expand Array option, and then press the Enter key.
4.
The screen displays three panels (Expand Array, Physical Drives, and Expand Existing Array), and the
highlight moves to the Expand Array panel.
Highlight the Assign Drive option, and then press the Enter key.
5.
The highlight moves to the Physical Drives panel.
Highlight a physical drive that you want to add to the array, and then press the Enter key. (For optimum
6.
use of drive capacity, select a drive that has the same capacity as other drives in the array.)
The highlight returns to the Expand Array panel.
(Optional) Repeat steps 5 and 6 to add more drives.
7.
Highlight the Accept Changes option, and then press the Enter key.
8.
Press the Esc key to begin the array expansion and return to the Logical Configuration View panel.
9.
To view the progress of the array expansion, press the F3 key, and then scroll to the progress bar near the
bottom of the screen.

Migrating RAID level or stripe size

When you want to migrate the RAID level or stripe size, allow about 15 minutes per gigabyte for the
migration to be completed. During this time, the controller cannot perform any other expansion or migration.
Performance might be degraded slightly during the migration, depending on the Expand Priority and Rebuild
Priority settings
normal server operations, migrate during periods of low server use.
priority" on page 15). To minimize any effect on normal server operations,
("Setting the rebuild priority or expand priority" on page 15). To minimize any effect on
HP Online Array Configuration Utility for NetWare 16
("Setting the