10400401-001 08/2012
©2012 Overland Storage, Inc.
5-1
Chapter 5
Troubleshooting
About Snapshot or Data Replication
For problems that occur when operating the snapshot or data replication function, refer to
the notes described in the “Snapshot User’s Manual (Installation and Operation Guide for
Windows)” or the “Data Replication User’s Manual (Installation and Operation Guide for
Windows)”.
NOTE: The concerns in snapshot and data consistency described in the “Snapshot User’s Manual
(Installation and Operation Guide for Windows)” and the concerns in data replication and
data consistency described in the “Data Replication User’s Manual (Installation and
operation Guide for Windows)” are resolved by using VSS.
Event Log Warning Message
If there is even one unformatted partition on the server that executes VSS backup
(including volumes not subject to backup), the (sample) warning below may be output to the
(application) event log. This applies to SnapSAN Manager cluster partitions and others.
Type: Warning Source:VSS Event ID:12290
Explanation:Volume Shadow Copy Service warning: GetVolumeInformationW
(\\?\Volume{941f0b7b-120c-11d9-b701-505054503030}\,NULL,0,NULL,
NULL,(0x00000000], , 260) == 0x00000057. hr = 0x00000000.
