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vm:proxmox:backup [2024/10/28 21:12] – niziakvm:proxmox:backup [2024/10/29 18:28] (current) – niziak
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 [[https://localhost:8006/pve-docs/chapter-vzdump.html#_vm_backup_fleecing|VM Backup Fleecing]] [[https://localhost:8006/pve-docs/chapter-vzdump.html#_vm_backup_fleecing|VM Backup Fleecing]]
 +
 +  On a storage that’s not thinly provisioned, e.g. LVM or ZFS without the sparse option, the
 +  full size of the original disk needs to be reserved for the fleecing image up-front. On a
 +  thinly provisioned storage, the fleecing image can grow to the same size as the original
 +  image only if the guest re-writes a whole disk while the backup is busy with another disk.
  
 Create ZFS sparse volume: Create ZFS sparse volume:
  
 <code bash> <code bash>
-zfs create -s -V 1g nvmpool/backup-fleecing -o compression=on+zfs create -v nvmpool/backup-fleecing -o compression=on
 </code> </code>
  
 +Add new storage using Proxmox GUI - do not forget to enable THIN provisioning!
  
 +==== ERROR: job failed with err -13 - Permission denied ====
 +
 +<code>
 +INFO:  21% (119.4 GiB of 564.0 GiB) in 40m 52s, read: 39.2 MiB/s, write: 0 B/s
 +ERROR: job failed with err -13 - Permission denied
 +INFO: aborting backup job
 +</code>
 +
 +  * [[https://forum.proxmox.com/threads/permission-denied-mid-backup-huh.153400/#post-699111|permission denied ... mid-backup. huh?]]
 +  * [[https://forum.proxmox.com/threads/vm-backup-error-job-failed-with-err-13-permission-denied.146695/|VM Backup ERROR: job failed with err -13 - Permission denied]]
 +
 +Fix was dded to ''pve-qemu-kvm=8.1.5-6''
 +
 +<code bash>
 +apt install pve-qemu-kvm=8.1.5-6
 +</code>