Promise Technology FastTrak SX Series Version 4.4 Manual do Utilizador descarregar pdf (Página 80)

Promise Array Management

Rebuild an Array

To Rebuild to restore redundancy to a RAID 1, 0+1 or 5 after one of its drives

has failed. Unlike Synchronization, a Rebuild is a repair operation.

When a drive fails for any reason, the Array goes Critical. An Array Critical

icon displays in Tree View and the RAID alarm beeps quickly to call your

attention to the condition.

Figure 75. An Array in Critical condition highlighted in Tree View (left)

and shown in red in Information View (right).

Automatic Rebuild

Normally, the rebuild process begins automatically when you replace the faulty

disk drive. The Array recognizes the new or spare drive and begins the process

a few moments later.

If your array has a Hot Spare drive, the rebuild begins without waiting for a

replacement drive. Be sure to replace the faulty drive as soon as possible.

During the Rebuild process, the array is still available to read and write data but

it may run noticeably slower.

To enable a Hot Spare drive, change the Rebuild settings and shut off the

beeper, see Rebuild Policy below.

If the popup messages are enabled, one will notify you when the rebuild is

successfully completed. The array will return to Functional status.

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Promise Technology FastTrak SX Series Version 4.4 Manual do Utilizador Página 80