be9adcf2a0
Prepare for starting a replication job. This is called on the target node before replication starts. This call is for internal use, and return a JSON object on stdout. The method first test if VM <vmid> reside on the local node. If so, stop immediately. After that the method scans all volume IDs for snapshots, and removes all replications snapshots with timestamps different than <last_sync>. It also removes any unused volumes. Returns a hash with boolean markers for all volumes with existing replication snapshots.