Reduce IO load on a server running shadow copies

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.

LVL 2
meade470Asked:
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bdesmondConnect With a Mentor Commented:
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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meade470Author Commented:
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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meade470Author Commented:
This was never resolved but I awarded the points to bdesmond for his help.
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