BigBen

Well-Known Member
Jun 18, 2015
135
4
58
Germany
System:
$ pveversion --verbose
proxmox-ve: 5.4-1 (running kernel: 4.15.18-9-pve)
pve-manager: 5.4-5 (running version: 5.4-5/c6fdb264)
pve-kernel-4.15: 5.4-2
pve-kernel-4.15.18-14-pve: 4.15.18-39
pve-kernel-4.15.18-13-pve: 4.15.18-37
pve-kernel-4.15.18-12-pve: 4.15.18-36
pve-kernel-4.15.18-11-pve: 4.15.18-34
pve-kernel-4.15.18-10-pve: 4.15.18-32
pve-kernel-4.15.18-9-pve: 4.15.18-30
corosync: 2.4.4-pve1
criu: 2.11.1-1~bpo90
glusterfs-client: 3.8.8-1
ksm-control-daemon: 1.2-2
libjs-extjs: 6.0.1-2
libpve-access-control: 5.1-9
libpve-apiclient-perl: 2.0-5
libpve-common-perl: 5.0-51
libpve-guest-common-perl: 2.0-20
libpve-http-server-perl: 2.0-13
libpve-storage-perl: 5.0-42
libqb0: 1.0.3-1~bpo9
lvm2: 2.02.168-pve6
lxc-pve: 3.1.0-3
lxcfs: 3.0.3-pve1
novnc-pve: 1.0.0-3
proxmox-widget-toolkit: 1.0-26
pve-cluster: 5.0-37
pve-container: 2.0-37
pve-docs: 5.4-2
pve-edk2-firmware: 1.20190312-1
pve-firewall: 3.0-20
pve-firmware: 2.0-6
pve-ha-manager: 2.0-9
pve-i18n: 1.1-4
pve-libspice-server1: 0.14.1-2
pve-qemu-kvm: 3.0.1-2
pve-xtermjs: 3.12.0-1
qemu-server: 5.0-51
smartmontools: 6.5+svn4324-1
spiceterm: 3.0-5
vncterm: 1.5-3
zfsutils-linux: 0.7.13-pve1~bpo2

Hallo,

im Proxmox-System werden die Backups regelmäßig im Snapshot-Modus Taskgesteuert erstellt.

Bei einem LXC-System funktioniert der Snapshotmodus nicht: mode failure - some volumes do not support snapshots

Hier die Configuration vom betroffenem System:
arch: amd64
cores: 1
features: mount=nfs;cifs
hostname: vpn
memory: 4096
mp0: /mnt/net-share,mp=/mnt/net-share
mp1: /mnt/NAS,mp=/mnt/NAS
net0: name=eth0,bridge=vmbr0,hwaddr=XX:XX:XX:XX:XX:XX,ip=dhcp,ip6=auto,type=veth
net1: name=tun0,bridge=vmbr1,hwaddr=YY:YY:YY:YY:YY:YY,type=veth
onboot: 1
ostype: debian
rootfs: local:323/vm-323-disk-1.raw,size=8G
swap: 512
lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create=file 0 0

Log-Auszug vom Backup:
INFO: starting new backup job: vzdump 323 --mode snapshot --remove 0 --storage BackupNet --compress lzo --node proxmox
INFO: filesystem type on dumpdir is 'cifs' -using /var/tmp/vzdumptmp7886 for temporary files
INFO: Starting Backup of VM 323 (lxc)
INFO: Backup started at 2019-05-26 14:46:57
INFO: status = running
INFO: CT Name: vpn
INFO: excluding bind mount point mp0 ('/mnt/net-share') from backup
INFO: excluding bind mount point mp1 ('/mnt/NAS') from backup
INFO: mode failure - some volumes do not support snapshots
INFO: trying 'suspend' mode instead
INFO: backup mode: suspend
INFO: ionice priority: 7
INFO: CT Name: vpn
INFO: excluding bind mount point mp0 ('/mnt/net-share') from backup
INFO: excluding bind mount point mp1 ('/mnt/NAS') from backup
INFO: starting first sync /proc/1300/root// to /var/tmp/vzdumptmp7886

An der letzten Zeile bleibt der backup-Task hängen. Das LXC hat während dessen den Status "Frozen".

Im Backup-Pool sind ausreichend freie Kapazitäten vorhanden.

Erst nach dem Abbrechen des Backup-Tasks läuft das LXC-System weiter.

Hat jemand einen Idee, wie die Ursache eingegrenzt werden kann?
 

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