Is it possible to migrate the VPS with simfs file system from OpenVZ 6 to OpenVZ 7 server from SolusVM?
Note: SolusVM uses OpenVZ backend utility as is without any modification. The behavior described in this article caused by OpenVZ business logic and its limitations
Due to the differences between OpenVZ 6 and OpenVZ 7, it is not possible to completely replicate simfs on OpenVZ 7, check the following link for the detailed explanation: https://wiki.openvz.org/Simfs_filesystem_for_Virtuozzo_7_Containers
Due to that fact converting to ploop file system is mandatory in order to avoid malfunctioning of the contatiner on the target node.