Hello everyone,
My backup fail since some times on this LXC specifically and I don't know exactly why.
This LXC run an Opencloud stack in a rootless Podman.
Backup logs:
I think the root cause is the error below but I'm not sure why it happen:
Mounting the disk on a smaller path work:
Is it a limitation of ZFS regarding the path length ?
My backup fail since some times on this LXC specifically and I don't know exactly why.
This LXC run an Opencloud stack in a rootless Podman.
Backup logs:
Code:
INFO: starting new backup job: vzdump 315 --remove 0 --node srv-pve01 --mode snapshot --notification-mode notification-system --storage srv-pbs01 --notes-template '{{guestname}}'
INFO: Starting Backup of VM 315 (lxc)
INFO: Backup started at 2025-11-05 10:53:47
INFO: status = running
INFO: CT Name: cloud
INFO: including mount point rootfs ('/') in backup
INFO: including mount point mp0 ('/home/container/volumes/opencloud/data/storage') in backup
INFO: excluding volume mount point mp1 ('/home/container/volumes/opencloud/data/storage/users/users/vbolletta') from backup (disabled)
INFO: found old vzdump snapshot (force removal)
INFO: backup mode: snapshot
INFO: ionice priority: 7
INFO: suspend vm to make snapshot
INFO: create storage snapshot 'vzdump'
zfs_mount_at() failed: directory is not emptyumount: /mnt/vzsnap0/home/container/volumes/opencloud/data/storage: not mounted.
command 'umount -l -d /mnt/vzsnap0/home/container/volumes/opencloud/data/storage' failed: exit code 32
INFO: resume vm
INFO: guest is online again after 1 seconds
ERROR: Backup of VM 315 failed - command 'mount -o ro -t zfs capacity/subvol-315-disk-0@vzdump /mnt/vzsnap0//home/container/volumes/opencloud/data/storage' failed: exit code 2
INFO: Failed at 2025-11-05 10:53:48
INFO: Backup job finished with errors
INFO: notified via target `proton`
TASK ERROR: job errorsI think the root cause is the error below but I'm not sure why it happen:
Code:
mount -o ro -t zfs capacity/subvol-315-disk-0@vzdump /mnt/vzsnap0/home/container/volumes/opencloud/data/storage
filesystem 'capacity/subvol-315-disk-0@vzdump' cannot be mounted at '/mnt/vzsnap0/home/container/volumes/opencloud/data/storage' due to canonicalization error: No such file or directoryMounting the disk on a smaller path work:
Code:
mount -o ro -t zfs capacity/subvol-315-disk-0@vzdump /mnt/vzsnap0/Is it a limitation of ZFS regarding the path length ?