Article ID: 123124, created on Oct 10, 2014, last review on Jun 17, 2016

  • Applies to:
  • Virtuozzo containers for Linux 4.7


  • Container's backup fails with the following error:

    Backup operation for node 'node' failed: Failed to determine backup engine.
    Error: Backup failed
  • Affected container has old vzfs layout:

    # ls -al /vz/private/101/|grep VERSION
    lrwxrwxrwx  1 root root    7 12. Apr 2007  VERSION -> 005.003
  • Version of the PVA Agent on the node is 6.0-2695 or higher:

    # rpm -qa |grep pva-release


The issue is recognized as a product bug #PVA-34375


The permanent fix will be included in one of the future product updates.

Possible workarounds:

  1. Convert the container to the newer layout (preferable):

    # vzctl convert 101
  2. Downgrade PVA Agent on the node to version 6.0-2160 (full distribution for version 2160 can be downloaded from here. Installation instruction can be taken from this knowledgebase article, "nodes with limited Internet access" section)

Search Words

Failed to determine backup engine


old layout

e8e50b42231236b82df27684e7ec0beb 2897d76d56d2010f4e3a28f864d69223 d02f9caf3e11b191a38179103495106f 0c05f0c76fec3dd785e9feafce1099a9

Email subscription for changes to this article
Save as PDF