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10419

September 7th, 2006 19:00

RAID Rebuild Failure

I have a PE 2650 using RAID 5 and I've run into an problem:  Drive 0 failed.  No big deal, we have spares.  After replacing the drive, the system started to rebuild.  Unfortunately, it gets about 80% finished and the rebuild fails and starts over.  After looking through the event logs, it looks like drive 4 is causing the problem.  I get the following messages:
 

Warning:  \Device\AFA0 : ID(0:04:0); Error Event [command:0x28]

Warning:  \Device\AFA0 : ID(0:04:0); Medium Error [k:0x3,c:0x11,q:0x2]

Warning:  \Device\AFA0 : ID(0:04:0); Error Too Long To Correct

Error:  \Device\AFA0 : Container 0 failed REBUILD task: I/O error - drive

Error:  \Device\AFA0 : 0:4:0 failed

I'm not sure what to do here to keep from losing data.  Normally I'd just replace the drive with the errors (4?), but the system is currently rebuilding drive 0, so I can't remove drive 4.  I can pull drive 0 out again, but what should I use to try to repair the errors on drive 4 before I let it try to rebuild again?

Thanks,

Grant

 

3 Posts

September 7th, 2006 20:00

So there's no utility like chkdsk for an individual RAID drive that will check for and repair bad sectors? :smileysad:

 

2 Intern

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827 Posts

September 7th, 2006 20:00

Backup your data.  Replace ID0 and 4.  Recreate the array from scratch.  Restore your data.

2 Intern

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827 Posts

September 7th, 2006 20:00

Hit Ctrl-A in POST to enter the Array BIOS.  Choose Disk Utilities.  Select the disk in question (ID4).  Verify Disk Media...

September 10th, 2006 11:00

Do not rebuild anymore. If you can clone the drives right away. Backup right away.
 
then you can try what ever you like.

September 11th, 2006 23:00

You need to sector it out to a good drive it will pass the errors in the sector copy, then replace drive 4 with the sectored copy drive and rebuild 0

3 Posts

September 12th, 2006 12:00

Thanks.  I was able to go into the controller BIOS and run a media check on the drive.  It found two errors and corrected them.  After that, the rebuild was successful.

Thanks to everyone who offered advice.

 

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