Recent content by SergeyISP

https://forum.proxmox.com/threads/zfs-replica-2x-larger-than-original.49801/#post-232448

You need delete replication to node 3 (and "hddtank/vmdata/vm-117-nas-files-0" with snapshots on node 3), enable "Thin provision" option in the storage settings menu on node 3, after that enable replication again. If you use console for zfs create - create sparse zfs (key -s). Many questions...

If you want to use replication, you should check "Thin provision" in the storage creation menu. Otherwise, when you create a zfs snapshot, it will take up as much space as the source. In your case, you need to create a backup of virtual machines to external storage, then select "Thin provision"...