Re: [PVE-User] Failed backups of stopped machines

["Konold, Martin" <martin.konold@konsec.com>]

Hi Sven,

how many nodes are in your pve cluster?

I am experiencing the same as all nodes seem to sequentially backup 
their vms but the nodes run in parallel.

This can overwhelm the PBS.

---
Regards
ppa. Martin Konold

--
Martin Konold - Prokurist, CTO
KONSEC GmbH -⁠ make things real
Amtsgericht Stuttgart, HRB 23690
Geschäftsführer: Andreas Mack
Im Köller 3, 70794 Filderstadt, Germany

On 2023-01-09 13:08, Sven wrote:
> Hello,
> 
> in the last few days, there have been some backup errors. The log is
> always the same:
> 
>> INFO: Starting Backup of VM 147 (qemu)
>> INFO: Backup started at 2023-01-06 02:55:37
>> INFO: status = stopped
>> INFO: backup mode: stop
>> INFO: ionice priority: 7
>> INFO: VM Name: <censored>
>> INFO: include disk 'virtio0' 'ceph_disks:vm-147-disk-0' 10G
>> INFO: include disk 'virtio1' 'ceph_disks:vm-147-disk-1' 20G
>> INFO: include disk 'virtio2' 'ceph_disks:vm-147-disk-2' 150G
>> INFO: include disk 'virtio3' 'ceph_disks:vm-147-disk-3' 4G
>> INFO: creating Proxmox Backup Server archive 
>> 'vm/147/2023-01-06T01:55:37Z'
>> INFO: starting kvm to execute backup task
>> ERROR: VM 147 qmp command 'backup' failed - got timeout
>> INFO: aborting backup job
>> INFO: stopping kvm after backup task
>> ERROR: Backup of VM 147 failed - VM 147 qmp command 'backup' failed - 
>> got timeout
>> INFO: Failed at 2023-01-06 02:58:20
> 
> Status: and config:
> 
>> $ qm status 147 --verbose
>> cpus: 4
>> disk: 0
>> diskread: 0
>> diskwrite: 0
>> maxdisk: 10737418240
>> maxmem: 8589934592
>> mem: 0
>> name: <censored>
>> netin: 0
>> netout: 0
>> qmpstatus: stopped
>> status: stopped
>> uptime: 0
>> vmid: 147
> 
>> $ qm config 147
>> boot: order=net0;virtio0
>> cores: 4
>> ide2: none,media=cdrom
>> memory: 8192
>> name: <censored>
>> net0: virtio=F2:F3:75:8D:92:9E,bridge=vmbr0,tag=1
>> numa: 0
>> ostype: l26
>> scsihw: virtio-scsi-pci
>> smbios1: uuid=743f558d-823a-4213-baa3-558a663aa273
>> sockets: 1
>> virtio0: ceph_disks:vm-147-disk-0,size=10G
>> virtio1: ceph_disks:vm-147-disk-1,size=20G
>> virtio2: ceph_disks:vm-147-disk-2,size=150G
>> virtio3: ceph_disks:vm-147-disk-3,size=4G
>> vmgenid: 90e25752-16b4-431d-92fe-8d71b364fb63
> 
> Proxmox-Version: 7.2-1
> Version pve-qemu-kvm: 7.0.0-4
> Version of proxmox-backup-server: 2.2.5-1
> 
> There are several VMs failing each night, not always the same. There
> is an accumulation of failed backups of stopped VMs.
> 
> Does anybody has an idea? What timed out (connection to backup server, 
> ...)?
> 
> Thanks!
> Regards,
> Sven
> 
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