Dynamic disks are marked as "Invalid" on a computer that is running Windows Server 2008 or Windows Vista when you bring the disks online, take the disks offline, or restart the computer if Data Protection Manager is installed

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symptoms

consider following scenario:

•        you create more 99 volumes on 1 or more dynamic disks on computer running windows server 2008 or windows vista.

•        the size of 1 of volumes larger 2 terabytes.

•        you bring dynamic disks online, take dynamic disks offline, or restart computer.

 

in scenario, cannot access volumes. in disk management snap-in of microsoft management console (mmc) window, dynamic disks marked "invalid." additionally, if try make these disks active, receive following error message:

"the operation not allowed on invalid pack"


cause

volume manager incorrectly flags logical disk manager (ldm) record incomplete if size same size of size of block on disk. after ldm record flagged incomplete, cleaned up. therefore, dynamic disks marked "invalid," described in symptom section.


resolution

microsoft aware of issue affecting loss of data on dynamic disks in scenario explained in kb962975. the issue may result in significant data loss. microsoft recommending kb 962975 proactively installed on window server 2008 , windows vista platforms use dynamic disks.

it particularly important customers using microsoft data protection manager (dpm) 2007 apply hotfix immediately, when possible.

 

laura zhang - msft

search in google, find many discussions of people upgraded operating system vista find dynamic disk invalid, see article more information: http://www.dynamic-disk.com/resource/vista-dynamic-disk-invalid.html


Windows Server  >  Windows Server General Forum



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