
Performing an In-Place Upgrade
11 Once you click Next, the installer starts upgrading your system.
Upgrading OpenVZ
Upgrade to Parallels Cloud Server 6.0 is only supported for systems running CentOS 6 and the
latest version of OpenVZ. A system may host both ploop-based and SimFS-based Containers.
OpenVZ Containers are not compatible with Parallels Cloud Server 6.0, so during the upgrade, the
installer offers you to convert them. If you agree:
• SimFS-based Containers are converted into VZFS-based ones.
• OpenVZ ploop-based Containers are converted into ploop-based ones compatible with
Parallels Cloud Server 6.0.
If you decide not to convert, you will need to manually upgrade OpenVZ Containers to run them
under Parallels Cloud Server 6.0 once the upgrade is complete. To do this, go to the /usr/sbin
directory and execute the ovzconvert script. The script automatically performs all operations
necessary to upgrade the Containers on your server.
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