Article ID: 123811, created on Dec 6, 2014, last review on Jun 17, 2016

  • Applies to:
  • Virtuozzo 6.0


c2v migration of a vzfs-based container where source server is a Parallels Cloud Server node leads to a following error:

# pmigrate c 101 v hw.test.node
Connecting to local agent...
Querying configuration...
Operation progress 10 %
Error: Failed to migrate PVC 101
Unable to get the necessary information about the Container. For details, see the log file on the source server:
* On Linux - /var/log/parallels.log
* On Windows - %SystemDir%\Logs\Parallels.log

While checking /var/log/parallels.log file, following messages can be spotted:

07-25 15:00:38.703 F /VzMigration:6693:18574/
     read_script: nbdmig[8261744] Error: Failed to get ploop snapshot device (0)


VZFS format is considered depricated on a PCS, therefore migration utility anticipates a ploop-based container from a PCS source server.


Convert vzfs-based container to the ploop format prior to migrating it into VM:

115479 How to convert VZFS4 containers to ploop format?

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failed with result 0x80000314

Error: Failed to migrate PVC

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