Supermicro AOC-USASLP-L8I Uživatelský manuál stáhnout pdf (Strana 28)

AOC-USASLP-L8i Add-on Card User’s Manual

4-10

4-4 Rebuilding a Drive

The MegaRAID BIOS CU enables you to rebuild a drive of a redundant array if the array

has a failed drive. If the failed drive is still good (that is, if the drive is physically present

and its size is greater than or equal to the defined size of the array) it will be rebuilt. If the

drive is small, an error message will appear and the MegaRAID BIOS CU will not allow

the drive to be rebuilt. A rebuild cannot be started on a failed drive if its size is even 1

byte smaller than the defined size of the array.

Rebuilding a Drive

Follow these steps to rebuild a drive:

1. Select R

EBUILD from the MANAGEMENT menu.

2. When the list of drives appears, highlight the FAIL drive that you want to rebuild and

press the

SPACEBAR to select it.

3. After selecting the physical drive, press F10 and select YES at the confirmation

prompt.

The rebuild process begins, and a graph shows the progress of the rebuild until it is

complete. Although the CU changes the disk drive state to R

EBUILD at this point, the

change does not appear on the screen while the rebuild is in progress.

When rebuild is complete, the CU displays the message:

Rebuilding of Drive X Completed Successfully. Press Esc. (X

= the ID of the rebuilt drive.)

4. Press E

SC to display the MANAGEMENT menu.

The state of the rebuilt disk drive changes from FAIL to ONLIN.

If the CU detects a media error on the source drive during rebuild, it initiates a sector

read for that block.

If the sector read fails, the CU adds entries to the Soft Bad Block Management

(SBBM) table, writes this table to the target drive, and displays an error message.

Additional error messages are displayed if the SBBM table is 80% full or 100% full. If

the SBBM table is completely full, the rebuild operation is aborted, and the drive is

marked as FAIL.

If you press E

SC while the rebuild is running, the following options display:

• Stop: (Available only if AutoResume is enabled on the adapter: MANAGEMENT

ENU J OBJECTS J ADAPTER J AUTORESUME) The rebuild is stopped, and the

CU stores the percentage of the rebuild already completed. If A

UTORESUME is

enabled, and if F

AST INIT is not enabled, the rebuild resumes where it left off

when you restart it instead of starting over from 0 percent.

• Continue: The rebuild continues normally.

• Abort: The rebuild is completely aborted. If you restart the rebuild, it begins at 0

percent.

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