Glossary

G

global hot spare

Disk that can replace a failed component in any array on the same controller, provided that the available capacity is at least equal to that of the failed component. See also hot spare.

H

hard disk

See disk.

hot spare

Disk configured to be available to automatically receive reconstructed data in the event of a drive failure in a redundant array. See also rebuild, global hot spare.

hot swap

To remove a component from a system and install a new component while the power is on and the system is running.

I

impacted

An impacted array is one which has been created but for some reason the initial build operation did not complete. All member drives are present and operational, and all data written to the array is protected. The array can be made optimal by running a Verify with Fix Task on it.

initialize

Process of preparing a disk for use by the controller. When a disk is initialized, the controller records the RAID signature on the disk.

initialized array

An array that is ready for data reads and writes. Arrays can be initialized by build or clear.

A-7