Backup over 100%

I

inno-forum

Member
Oct 28, 2021
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I am trying to do a backup of 4 VMs every 5 minutes.

I see this in a log.


INFO: starting new backup job: vzdump 149 150 139 158 --mode snapshot --fleecing 0 --quiet 1 --prune-backups 'keep-daily=14,keep-monthly=1' --notes-template '{{guestname}}' --mailnotification always --storage BACKUP --mailto
INFO: skip external VMs: 139, 149, 150
INFO: Starting Backup of VM 158 (qemu)
INFO: Backup started at 2025-04-10 14:05:00
INFO: status = running
INFO: VM Name: VM1
INFO: include disk 'scsi0' 'FS3-NAS:158/vm-158-disk-0.qcow2' 750G
INFO: include disk 'scsi1' 'FS4-NAS:158/vm-158-disk-1.qcow2' 20G
INFO: include disk 'efidisk0' 'FS4-NAS:158/vm-158-disk-0.qcow2' 528K
INFO: backup mode: snapshot
INFO: ionice priority: 7
INFO: creating Proxmox Backup Server archive 'vm/158/2025-04-10T12:05:00Z'
INFO: issuing guest-agent 'fs-freeze' command
INFO: issuing guest-agent 'fs-thaw' command
INFO: started backup task 'ded5c077-9985-46a4-a0ba-6fe72ad81fd3'
INFO: resuming VM again
INFO: efidisk0: dirty-bitmap status: OK (drive clean)
INFO: scsi0: dirty-bitmap status: OK (3.3 GiB of 750.0 GiB dirty)
INFO: scsi1: dirty-bitmap status: OK (40.0 MiB of 20.0 GiB dirty)
INFO: using fast incremental mode (dirty-bitmap), 3.4 GiB dirty of 770.0 GiB total
INFO: 9% (336.0 MiB of 3.4 GiB) in 3s, read: 112.0 MiB/s, write: 105.3 MiB/s
INFO: 15% (548.0 MiB of 3.4 GiB) in 6s, read: 70.7 MiB/s, write: 49.3 MiB/s
INFO: 23% (832.0 MiB of 3.4 GiB) in 9s, read: 94.7 MiB/s, write: 56.0 MiB/s
INFO: 28% (1004.0 MiB of 3.4 GiB) in 12s, read: 57.3 MiB/s, write: 44.0 MiB/s
INFO: 40% (1.4 GiB of 3.4 GiB) in 15s, read: 130.7 MiB/s, write: 33.3 MiB/s
INFO: 42% (1.4 GiB of 3.4 GiB) in 18s, read: 22.7 MiB/s, write: 6.7 MiB/s
INFO: 56% (1.9 GiB of 3.4 GiB) in 21s, read: 170.7 MiB/s, write: 38.7 MiB/s
INFO: 81% (2.8 GiB of 3.4 GiB) in 24s, read: 282.7 MiB/s, write: 81.3 MiB/s
INFO: 90% (3.1 GiB of 3.4 GiB) in 27s, read: 104.0 MiB/s, write: 16.0 MiB/s
INFO: 132% (4.5 GiB of 3.4 GiB) in 30s, read: 492.0 MiB/s, write: 84.0 MiB/s
INFO: 160% (5.4 GiB of 3.4 GiB) in 33s, read: 318.7 MiB/s, write: 92.0 MiB/s
INFO: 190% (6.5 GiB of 3.4 GiB) in 36s, read: 349.3 MiB/s, write: 77.3 MiB/s
INFO: 214% (7.3 GiB of 3.4 GiB) in 39s, read: 273.3 MiB/s, write: 53.3 MiB/s
INFO: 220% (7.5 GiB of 3.4 GiB) in 42s, read: 65.3 MiB/s, write: 10.7 MiB/s
INFO: 227% (7.7 GiB of 3.4 GiB) in 45s, read: 84.0 MiB/s, write: 20.0 MiB/s
INFO: 229% (7.8 GiB of 3.4 GiB) in 48s, read: 28.0 MiB/s, write: 6.7 MiB/s
INFO: 231% (7.8 GiB of 3.4 GiB) in 51s, read: 16.0 MiB/s, write: 2.7 MiB/s
INFO: 234% (7.9 GiB of 3.4 GiB) in 1m 8s, read: 6.1 MiB/s, write: 963.8 KiB/s
INFO: 244% (8.3 GiB of 3.4 GiB) in 1m 11s, read: 118.7 MiB/s, write: 28.0 MiB/s
INFO: 250% (8.5 GiB of 3.4 GiB) in 1m 15s, read: 51.0 MiB/s, write: 7.0 MiB/s
INFO: 256% (8.7 GiB of 3.4 GiB) in 1m 18s, read: 72.0 MiB/s, write: 10.7 MiB/s
INFO: 307% (10.4 GiB of 3.4 GiB) in 1m 21s, read: 594.7 MiB/s, write: 88.0 MiB/s
INFO: 369% (12.5 GiB of 3.4 GiB) in 1m 24s, read: 712.0 MiB/s, write: 116.0 MiB/s
INFO: 440% (14.9 GiB of 3.4 GiB) in 1m 27s, read: 814.7 MiB/s, write: 112.0 MiB/s
INFO: 520% (17.6 GiB of 3.4 GiB) in 1m 30s, read: 932.0 MiB/s, write: 130.7 MiB/s
INFO: backup is sparse: 32.00 MiB (0%) total zero data
INFO: backup was done incrementally, reused 781.39 GiB (101%)
INFO: transferred 18.65 GiB in 92 seconds (207.6 MiB/s)
INFO: adding notes to backup
INFO: prune older backups with retention: keep-daily=14, keep-monthly=1
INFO: running 'proxmox-backup-client prune' for 'vm/158'
INFO: pruned 1 backup(s) not covered by keep-retention policy
INFO: Finished Backup of VM 158 (00:01:49)
INFO: Backup finished at 2025-04-10 14:06:49
INFO: Backup job finished successfully
INFO: notified via target `<>`
TASK OK
 
hi,

can you post the vm config ? (qm config ID) and the version of pve ? (pveversion -v)
 
Hi,
please ensure the tool socat is installed on the system (otherwise apt install socat) and share the output of
Code: 
echo '{"execute": "qmp_capabilities"}{"execute": "query-block"}' | socat - /var/run/qemu-server/158.qmp
or replacing 158 in the command with another affected VM's ID should you have restarted it in the meantime.
 
Another interesting thing would be the output of qemu-img info /path/to/file.qcow2 for all three disks. You can use pvesm path FS3-NAS:158/vm-158-disk-0.qcow2 etc. to get the paths.
 
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