Problem
MountV resource fails to offline and appears to hang in Veritas InfoScale for Windows
Error Message
VCS WARNING V-16-10051-9023 MountV:MountResourceName_MountV: offline:Failed to lock volume [2:5]
Cause
By default, MountV resource cannot be taken offline if an open write handle remains on the volume.
%VCS_HOME%\log\MountV_A.txt log file will show if the resource has failed to lock the volume during offline.
Solution
haconf -dump -makero- Saves and closes the cluster configuration
hastop -local -force- Stops the cluster service forcibly without getting the resources offline
hastart- Starts the cluster service
MountV resources will be back to an "Online" status with no pending actions.
Use Microsoft's Handle.exe or Process Explorer tools to determine which processes have open handles on the volume. Veritas Cluster Server (VCS) should be configured to stop any applications which are using the volume with proper dependency to go offline before MountV.
MountV attribute ListApplications can be enabled to detect and log applications which have open handles during the offline operation. The handle details are logged in %VCS_HOME%\log\MountV_A.txt file.
***It is best to determine the underlying issue and address the root cause before proceeding with next steps***
In some cases, you may consider setting up the ForceUnmount attribute to ALL for the MountV resource, and retry the offline operation.
Warning: ForceUnmount = ALL results in a volume being taken offline forcibly even when a write handle exists. This may result in file system corruption and should be used with extreme caution under the direction of Veritas Support. Only enable this option if you are sure there are no applications or users writing to the volume, and have backups of data available to restore should it become unrecoverable. AutoFSClean attribute should be enabled where ForceUnmount = ALL to allow VCS to run CHKDSK against any filesystem reported as not clean during the next MountV online operation.
How MountV reacts to open handles depends on the value of the ForceUnmount attribute in the resource properties:
- NONE: MountV will not go offline if any handle remains on the volume.
- READ_ONLY: MountV will go offline if a read handle remains on the volume, but will not go offline if a write handle remains on the volume. (Default)
- ALL: MountV will go offline if either a read or write handle remains on the volume.
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Please note that this document is a translation from English, and may have been machine-translated. It is possible that updates have been made to the original version after this document was translated and published. Veritas does not guarantee the accuracy regarding the completeness of the translation. You may also refer to the English Version of this knowledge base article for up-to-date information.