VE 2 Snapshot Backup

J

Janko

Renowned Member
May 15, 2011
82
10
73
Hi all,

i want to make Backup with Snapshots but everytime:

Code: 
INFO: starting new backup job: vzdump 102 --remove 0 --mode snapshot --compress lzo --storage Backup --node phi74100
INFO: Starting Backup of VM 102 (openvz)
INFO: CTID 102 exist mounted running
INFO: status = running
INFO: backup mode: snapshot
INFO: ionice priority: 7
INFO: creating lvm snapshot of /dev/mapper/vg1-vz ('/dev/vg1/vzsnap-phi74100-0')
INFO:   Volume group "vg1" has insufficient free space (0 extents): 256 required.
ERROR:  Backup of VM 102 failed - command 'lvcreate --size 1024M --snapshot  --name vzsnap-phi74100-0 /dev/vg1/vz' failed: exit code 5
INFO: Backup job finished with errors
TASK ERROR: job errors

vgdisplay
Code: 
root@phi74100 ~ # vgdisplay
  --- Volume group ---
  VG Name               vg1
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  2
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                1
  Open LV               1
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               4.83 TiB
  PE Size               4.00 MiB
  Total PE              1266431
  Alloc PE / Size       1266431 / 4.83 TiB
  Free  PE / Size       0 / 0
  VG UUID               D6cFPs-cuGZ-4w8r-cYw6-XcVd-87bB-IvbmAy

  --- Volume group ---
  VG Name               vg0
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  4
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               3
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               640.00 GiB
  PE Size               4.00 MiB
  Total PE              163839
  Alloc PE / Size       161792 / 632.00 GiB
  Free  PE / Size       2047 / 8.00 GiB
  VG UUID               zmQv4n-u9Am-v2KD-DGXB-BqpL-ZFoY-B5BWC9

root@phi74100 ~ #

lvscan
Code: 
root@phi74100 ~ # lvscan
  ACTIVE            '/dev/vg1/vz' [4.83 TiB] inherit
  ACTIVE            '/dev/vg0/root' [100.00 GiB] inherit
  ACTIVE            '/dev/vg0/swap' [32.00 GiB] inherit
  ACTIVE            '/dev/vg0/backup' [500.00 GiB] inherit
root@phi74100

Thanks for your help!
 
dietmar said:
You do not have any free space in the VG (FREE PE = 0)
Click to expand...

Hi Dietmar,

Code: 
root@phi74100 ~ # df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/vg0-root  100G  1.7G   93G   2% /
tmpfs                  16G  4.0K   16G   1% /lib/init/rw
udev                   16G  216K   16G   1% /dev
tmpfs                  16G   13M   16G   1% /dev/shm
/dev/sda1            1016M  142M  824M  15% /boot
/dev/mapper/vg0-backup
                      497G  198M  471G   1% /backup
/dev/mapper/vg1-vz    4.8T  316G  4.3T   7% /var/lib/vz
/dev/fuse              30M   24K   30M   1% /etc/pve
root@phi74100 ~ #
 
You need free space one the LVM volume Group. Else it is not possible to create an LVM snapshot.
 
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