Article ID: 8892, created on Aug 27, 2010, last review on May 9, 2014

  • Applies to:
  • Virtuozzo containers for Windows 4.6


A physical disk resource does not come online on a Container-based fail-over cluster. The following error appears in cluster.log:

ERR  Physical Disk <Disk Q:>: Online: Unable to read the 'Signature' property from cluster database. Error: 13.


The workaround is to locate the Physical disk resource GUID in the registry and manually add the Signature key and HEX disk signature value as follows:

1. Under the HKEY_LOCAL_MACHINE\Cluster\Resources key, locate the {GUID} for the physical disk resource you added.
2. Under the Parameters key, add a "DWORD" value called "Signature." Assign it the HEX disk signature number.
3. You should now be able to bring the disk recourse Online in Cluster Administrator.

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