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Reduce IO load on a server running shadow copies

Posted on 2009-04-03
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Last Modified: 2012-05-06
Does anyone know how to reduce the "IO load" on a 2003 server (Domain Controller) running Shadow Copies? We received the following event recently:

Event Type:      Error
Event Source:      VolSnap
Event Category:      None
Event ID:      25
Date:            3/30/2008
Time:            4:50:52 AM
User:            N/A
Computer:      OURSERVERNAME
Description:
The shadow copies of volume E: were deleted because the shadow copy storage could not grow in time.  Consider reducing the IO load on the system or choose a shadow copy storage volume that is not being shadow copied.

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Question by:meade470
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bdesmond earned 500 total points
ID: 24072257
It means the disks can't keep up. You're looking at adding disks to the RAID array, changing the RAID type, increasing the speed of the disks, upgrading the RAID controller, etc.

Thanks,
Brian Desmond
Active Directory MVP
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Author Comment

by:meade470
ID: 24118434
Thanks for the feedback.  This is actually an IDE Hard Drive.  I guess since it's IDE it's probably a speed issue.  The weird part is that we've been using Shadow Copies on this Hard Drive for about 4 years.  Only in the last year or so have we noticed the Error messages.  Perhaps it's a sign the Hard Drive is getting old.
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Author Closing Comment

by:meade470
ID: 31566389
This was never resolved but I awarded the points to bdesmond for his help.
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