Recurring disk corruption

cja-tech-guy
cja-tech-guy used Ask the Experts™
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Hello Experts
I have an old 2003 server that is used for FTP and also to store non-critical files/folders. It has the OS on mirrored drives and data in a RAID 5 on 5 separate drives. Recently it had a power supply failure and after inserting the new hot swap power supply I got a message that the RAID 5 partition was corrupt.  I ran a chkdsk /r and it was fine for a few weeks.  Now whenever I copy/move/add a lot of files to folders on this partition, I get the "disk corrupt" message.  Running chkdsk /r fixes it but I'm concerned about it getting to a point where it cannot be repaired since it happens about once a month.  Are there any programs out there that can repair this partition for good?  Any help is appreciated.

Thanks,

cja
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Chris HInfrastructure Manager

Commented:
Is this a hardware or software RAID 5?  If hardware, you should never run chkdsk on a RAID 5 volume without verifying the volumes integrity first.  The file system may start resorting information that the controller can fix.  Both are usually completely unaware of each other also.

It sounds like you've rebuilt a corrupt partition and all the chkdsk /r is doing is slowing shaving away data the RAID is relying on and probably vice versa.  

If you don't have a good backup, you need to stop everything and copy off all the data and put onto a trusted safe volume.
Most Valuable Expert 2015
Commented:
First use the disk controller's or server's utility to check the state of the arrays and the disks. Replace any bad disks (take an extra backup before you do). I'd also suggest to move from RAID 5 to something better, like RAID 6.
Natty GregIn Theory (IT)

Commented:
Your disk are talking to you, but you're not listening. B4 you end up in a recovery position please back up your files and replace the disks

Author

Commented:
Files are backed up.

Author

Commented:
I ran the consistency check utility from Open manage.  I will follow up if that does not resolve the issue.

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