Chiligreen Home Server: Intel Rapid Storage Technology Manual do Utilizador descarregar pdf (Página 34)

9 Verify and Repair

9.1 Overview

Verify and Repair checks a volume for inconsistent or bad data. It may also fix any data problems or parity

errors.

The Verify process happens…

 Automatically after a hard system shutdown or system crash (except when configured for RAID 0)

 Manually when started from within the Intel® Rapid Storage Technology software

The UI displays two functions:

Verify Only

Verify and Repair

9.2 Actions during Verify and Repair

The Verify process checks each stripe rather than copying data. The driver walks through every stripe in the

volume, starting at the lowest logical block address (LBA).

Array Type

Actions

RAID 0

Verify: checks for any read failures.

Repair: can‟t repair since there is not a copy of good data

RAID 1

Verify: checks for data mismatches and read failures

Repair: copies to mirror

RAID 5

Verify: checks for parity issues and read failures

Repair: updates parity; assumes the data is correct and regenerates and rewrites parity

RAID 10

Verify: checks for data mismatches and read failures

Repair: copies to mirror

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Chiligreen Home Server: Intel Rapid Storage Technology Manual do Utilizador Página 34