Article ID: 6528, created on Jul 17, 2009, last review on May 11, 2014

  • Applies to:
  • Virtuozzo containers for Linux 4.0


After finishing specific system upgrade from OpenVZ to Parallels Virtuozzo Containers 4.0 we have found that all Containers were not converted from SIMFS to VZFS, and therefore they were down.


In order to convert SIMFS filesystem of the previous OpenVZ Containers to PVC 4.0 format (VZFS) please run the following script on the affected server:

# /usr/sbin/sim2vzfs

After that please start affected Containers, e.g. for Container #101:

# vzctl start 101

Or you may just restart Virtuozzo service in order to start all Containers at once:

# service vz restart

Keywords: OpenVZ, SIMFS, failed upgrade.

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