Article ID: 117797, created on Oct 8, 2013, last review on Aug 26, 2015

  • Applies to:
  • Virtuozzo containers for Linux 4.7


It is not possible to restore a backup of a container:

~# vzrestore localhost -e 101010
/bin/vztar: Cannot rename fs/root/usr/local/cpanel/base/3rdparty/roundcube/plugins/subscriptions_option/tests to fs/root/usr/local/cpanel/base/3rdparty/phpMyAdmin/locale/uk/LC_MESSAGES


The root cause of the issue is that there is inconsistency between current file-system state and saved information in the incremental backup. In order to optimize and speed-up archiving and restoring process, tar saved inodes numbers of archived files.

Upon restoring a file with several hard-links, a collision may occur and the file cannot be extracted properly. This happens seldom with hard-linked files, if not all of those files are saved in the same incremental part of the archive.


Due to tar deficiency in certain circumstances, it is recommended to use Acronis-based tool vzabackup for creating archives of virtual environments. This tool is a part of Virtual Automation agent, and it ensures consistency using kernel modules.

Another solution is to convert a container to Ploop format and place container's file-system to a dedicated block device. Backup related operations are faster, more efficient and require less resources.

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