vzdump problem

H

hec

Renowned Member
Jan 8, 2009
278
18
83
Wien
www.vector-its.at
I setup a new Proxmox server. Now i tried to do a vzdump but i got following error:

Code: 
[FONT=monospace]zdump --quiet --node 1 --snapshot --compress --storage Backup --maxfiles 1 --mailto server@hec-tech.net 105[/FONT]
105: Oct 18 16:03:01 INFO: Starting Backup of VM 105 (openvz)105: Oct 18 16:03:01 INFO: CTID 105 exist mounted running105: Oct 18 16:03:01 INFO: status = CTID 105 exist mounted running105: Oct 18 16:03:01 INFO: mode failure - unable to dump into snapshot (use option --dumpdir)105: Oct 18 16:03:01 INFO: trying 'suspend' mode instead105: Oct 18 16:03:01 INFO: backup mode: suspend105: Oct 18 16:03:01 INFO: ionice priority: 7105: Oct 18 16:03:01 INFO: starting first sync /var/lib/vz/private/105/ to /var/lib/vz/backup/vzdump-openvz-105-2011_10_18-16_03_01.tmp105: Oct 18 16:03:09 INFO: Number of files: 31256105: Oct 18 16:03:09 INFO: Number of files transferred: 24406105: Oct 18 16:03:09 INFO: Total file size: 803153774 bytes105: Oct 18 16:03:09 INFO: Total transferred file size: 799404806 bytes105: Oct 18 16:03:09 INFO: Literal data: 799404806 bytes105: Oct 18 16:03:09 INFO: Matched data: 0 bytes105: Oct 18 16:03:09 INFO: File list size: 754411105: Oct 18 16:03:09 INFO: File list generation time: 0.001 seconds105: Oct 18 16:03:09 INFO: File list transfer time: 0.000 seconds105: Oct 18 16:03:09 INFO: Total bytes sent: 801327507105: Oct 18 16:03:09 INFO: Total bytes received: 502509105: Oct 18 16:03:09 INFO: sent 801327507 bytes  received 502509 bytes  94332943.06 bytes/sec105: Oct 18 16:03:09 INFO: total size is 803153774  speedup is 1.00105: Oct 18 16:03:09 INFO: first sync finished (8 seconds)105: Oct 18 16:03:09 INFO: suspend vm105: Oct 18 16:03:09 INFO: Setting up checkpoint...105: Oct 18 16:03:09 INFO: 	suspend...105: Oct 18 16:03:09 INFO: Can not suspend container: Device or resource busy105: Oct 18 16:03:09 INFO: Error: task 105092/354(ntpd) uses posix timers105: Oct 18 16:03:09 INFO: Checkpointing failed [FONT=monospace]105: [COLOR=#ff0000]Oct 18 16:03:11 ERROR: Backup of VM 105 failed - command 'vzctl --skiplock chkpnt 105 --suspend' failed with exit code 16[/COLOR][/FONT]

Code: 
pve-manager: 1.9-24 (pve-manager/1.9/6542)running kernel: 2.6.32-6-pve
proxmox-ve-2.6.32: 1.9-47
pve-kernel-2.6.32-6-pve: 2.6.32-47
qemu-server: 1.1-32
pve-firmware: 1.0-14
libpve-storage-perl: 1.0-19
vncterm: 0.9-2
vzctl: 3.0.29-2pve1
vzdump: 1.2-16
vzprocps: 2.0.11-2
vzquota: 3.0.11-1
pve-qemu-kvm: 0.15.0-1
ksm-control-daemon: 1.0-6

Code: 
/dev/mapper/pve-root on / type ext3 (rw,errors=remount-ro)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
procbususb on /proc/bus/usb type usbfs (rw)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
/dev/mapper/pve-data on /var/lib/vz1 type ext3 (rw)
/dev/mapper/data-openvz on /var/lib/vz type ext4 (rw)
/dev/cciss/c0d0p1 on /boot type ext3 (rw)
beancounter on /proc/vz/beancounter type cgroup (rw,name=beancounter)
container on /proc/vz/container type cgroup (rw,name=container)
fairsched on /proc/vz/fairsched type cgroup (rw,name=fairsched)
10.6.88.10:/backup/hecvz on /mnt/pve/Backup_Cop type nfs (rw,addr=10.6.88.10)

Code: 
pmx-00:~# pvdisplay 
  --- Physical volume ---
  PV Name               /dev/block/104:16
  VG Name               data
  PV Size               1.82 TB / not usable 3.21 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              476918
  Free PE               67318
  Allocated PE          409600
  PV UUID               z5c7Ai-amd6-mO3Z-lNBA-lE3m-2QQF-s6sxx0
   
  --- Physical volume ---
  PV Name               /dev/block/104:2
  VG Name               pve
  PV Size               67.83 GB / not usable 2.57 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              17364
  Free PE               1023
  Allocated PE          16341
  PV UUID               qdX4f8-UIOl-bvqs-EBvj-ALVy-a6oa-EoRoxz

Code: 
pmx-00:~# pvdisplay 
  --- Physical volume ---
  PV Name               /dev/block/104:16
  VG Name               data
  PV Size               1.82 TB / not usable 3.21 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              476918
  Free PE               67318
  Allocated PE          409600
  PV UUID               z5c7Ai-amd6-mO3Z-lNBA-lE3m-2QQF-s6sxx0
   
  --- Physical volume ---
  PV Name               /dev/block/104:2
  VG Name               pve
  PV Size               67.83 GB / not usable 2.57 MB
  Allocatable           yes 
  PE Size (KByte)       4096
  Total PE              17364
  Free PE               1023
  Allocated PE          16341
  PV UUID               qdX4f8-UIOl-bvqs-EBvj-ALVy-a6oa-EoRoxz
   
pmx-00:~# 
pmx-00:~# 
pmx-00:~# 
pmx-00:~# lvdisplay 
  --- Logical volume ---
  LV Name                /dev/data/openvz
  VG Name                data
  LV UUID                EqXn8A-hLWh-KHxV-mzZn-ffGT-pNs0-teMv3x
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                1.56 TB
  Current LE             409600
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:3
   
  --- Logical volume ---
  LV Name                /dev/pve/swap
  VG Name                pve
  LV UUID                ySjd83-z4bf-Jd3g-ceNj-DSJ6-lhEs-PFPNyp
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                8.50 GB
  Current LE             2176
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
   
  --- Logical volume ---
  LV Name                /dev/pve/root
  VG Name                pve
  LV UUID                xZ3wod-Ehot-j35K-NpKf-AmVh-lzr0-DkLajC
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                17.00 GB
  Current LE             4352
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1
   
  --- Logical volume ---
  LV Name                /dev/pve/data
  VG Name                pve
  LV UUID                qO0b08-2yxT-1dxG-sFtf-sWmJ-Qia1-RQ6n84
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                38.33 GB
  Current LE             9813
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2

Any ideas how to solve this problem? The functions of snapshot is a must!
 
"unable to dump into snapshot"

I assume your backup target is under /var/lib/vz ?
 
for small test just create a dir on the / filesystem - but make sure you have enough space and you do not fill it up with backups.
 
yes, you cannot save the snapshot data into same volume - by doing this you create a loop with no end ..

but anyways, it makes no sense to store backup on the same server, use NFS share or similar to store your backups remotely.
 
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