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Chapter 4: MegaRAID BIOS Configuration Utility
If the Rebuild was not affected by this hot plug event, it continues to rebuild from
where it left off, provided that A
UTO RESUME is enabled; otherwise, the Rebuild starts
over from the beginning. If the rebuilding array was affected by the hot plug event,
the Rebuild aborts and the array status changes based on the hot plug operation.
• If an Initialization is in progress when you insert or remove a drive, the CU displays
the message:
Initialization of Array Not Complete! Press ESC..
followed by the hot plug message.
• If a consistency check is in progress when you insert or remove a drive, the CU
displays the message
CC Not Completed! Press ESC..
followed by the hot plug message.
4-6 Checking Data Consistency
The Check Consistency feature can be used on RAID 1 or RAID 10 virtual drives to
verify the data consistency between the mirrored physical drives. MegaRAID BIOS CU
automatically corrects any differences found in the data when a consistency check is
run.
Checking Data Consistency
1. On the M
ANAGEMENT menu select CHECK CONSISTENCY and press ENTER.
A list of configured virtual drives is displayed.
2. Highlight a virtual drive with the arrow keys.
3. Press the
SPACEBAR to select the virtual drive to check for consistency.
4. Press F10.
5. At the prompt, select Y
ES to start the Check Consistency process and press ENTER.
A graph shows the progress of the Check Consistency operation until it is complete.
If the MegaRAID BIOS CU finds any data inconsistencies while comparing the source
and target drives, it fixes the inconsistency by writing the source data to the target drive.
When this happens, the following message appears at the bottom of the screen:
The Data on the Drives is inconsistent. Repair done!
If the MegaRAID BIOS CU finds a media error on the source drive, it pops up a dialog
box with this message:
Error in Reading Sectors! Proceed Anyway (Y/N)?
NOTE: If you select a RAID 0 virtual drive, a message appears stating that a
Check Consistency cannot be performed. To continue, deselect the virtual
drive, highlight a redundant virtual drive, and press the
SPACEBAR again.