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Deus Ex Machina » Eventlog » Event 25 - VolSnap

VolSnap - 25


Description »
The shadow copies of volume C: 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.
Data formatted as » WORDS
0000: 00000000 00580002 00000000 c0060019
0010: 00000003 00000000 0000000a 00000000
0020: 00000000 00000000 

There are two possible causes of this issue. Firstly, as the event description itself suggests, the I/O load on the disk controller is just too high. Reducing your I/O load is probably not a viable option unless you want to down your service while backups are taken every night. Moving the shadow copy storage to another disk is probably the easier option, but you will, of course, have to provide the disk for it to use.

This event may also be logged if you're out of disk space, and this constraint is preventing your shadow storage from growing.