Event ID - 8

Event Id8
SourceVolsnap
DescriptionThe flush and hold writes operation on volume C: timed out while waiting for a release writes command.
Event InformationAfter you create a software RAID volume in Microsoft Windows Server 2003, when you break that volume, the above event appears in the system event log.
CAUSE :
This problem occurs if you break the software redundant array of independent disks (RAID) volume by using the Diskpart tool. This event appears because of a problem in the Windows Server 2003 Logical Disk Administrative Service (DmAdmin). 
WORKAROUND :
To work around this problem, ignore this event. This event does not indicate that there is a problem in Windows.
Reference Links Event ID 8 appears in the system event log after you break a mirrored volume in Windows Server 2003

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