FiBackup - ExperimentationsMai2006

• vm avec plusieurs disques

  • backup

    root@super-auforg2:~# time /usr/local/sbin/fi-backup.sh -q -d mail-mtl--jessie
    [INF] libVirt version '1.2.9' support is experimental
    [DEB] /usr/bin/qemu-img version '2.1.2' is supported
    [DEB] QEMU/KVM version '2.1.2' is supported
    [DEB] Domains NOTRUNNING: 
    [DEB] Domains RUNNING:  mail-mtl--jessie
    [DEB] Snapshot for domain 'mail-mtl--jessie' requested
    [DEB] Using timestamp '20160520-102436'
    [DEB] Snapshotting block devices for 'mail-mtl--jessie' using suffix 'bimg-20160520-102436'
    [DEB] Quiesce requested
    [VER] Snapshot for block devices of 'mail-mtl--jessie' successful
    [VER] Copy backing file '/var/lib/libvirt/images3/mail-montreal-sys-jan2016.img' to '/var/lib/backup//mail-montreal-sys-jan2016.img'
    sending incremental file list
    mail-montreal-sys-jan2016.img
      4,609,998,848 100%   64.16MB/s    0:01:08 (xfr#1, to-chk=0/1)
    
    sent 4,611,124,443 bytes  received 35 bytes  67,315,685.81 bytes/sec
    total size is 4,609,998,848  speedup is 1.00
    
    real    1m8.573s
    user    0m32.828s
    sys     0m12.092s
    [VER] No parent backing file for '/var/lib/libvirt/images3/mail-montreal-sys-jan2016.img'
    [VER] Copy backing file '/var/lib/libvirt/images/mail-mtl--jessie.qcow2' to '/var/lib/backup//mail-mtl--jessie.qcow2'
    sending incremental file list
    mail-mtl--jessie.qcow2
      1,074,135,040 100%   85.95MB/s    0:00:11 (xfr#1, to-chk=0/1)
    
    sent 1,074,397,379 bytes  received 35 bytes  85,951,793.12 bytes/sec
    total size is 1,074,135,040  speedup is 1.00
    
    real    0m11.979s
    user    0m6.784s
    sys     0m2.624s
    [VER] No parent backing file for '/var/lib/libvirt/images/mail-mtl--jessie.qcow2'
    
    real    1m22.429s
    user    0m39.776s
    sys     0m14.756s
    root@super-auforg2:~#
    
    
    
    
    root@super-auforg2:~# virsh domblklist mail-mtl--jessie
    Target     Source
    ------------------------------------------------
    vdc        /var/lib/libvirt/images3/mail-montreal-sys-jan2016.bimg-20160520-102436
    vdd        /var/lib/libvirt/images/mail-mtl--jessie.bimg-20160520-102436
    
    root@super-auforg2:~# virsh snapshot-list mail-mtl--jessie
     Name                 Creation Time             State
    ------------------------------------------------------------
    
    root@super-auforg2:~#

  • consolidation

    root@super-auforg2:~# time /usr/local/sbin/fi-backup.sh -c mail-mtl--jessie
    [INF] libVirt version '1.2.9' support is experimental
    [VER] Consolidation of block device '/var/lib/libvirt/images3/mail-montreal-sys-jan2016.bimg-20160520-102436' for 'mail-mtl--jessie' successful
    [VER] Deleting old backing files for 'mail-mtl--jessie'
    [VER] Deleting old backing file '/var/lib/libvirt/images3/mail-montreal-sys-jan2016.bimg-20160520-102436' for 'mail-mtl--jessie'
    [VER] Consolidation of block device '/var/lib/libvirt/images/mail-mtl--jessie.bimg-20160520-102436' for 'mail-mtl--jessie' successful
    [VER] Deleting old backing files for 'mail-mtl--jessie'
    [VER] Deleting old backing file '/var/lib/libvirt/images/mail-mtl--jessie.bimg-20160520-102436' for 'mail-mtl--jessie'
    
    real    0m1.626s
    user    0m0.196s
    sys     0m0.024s
    root@super-auforg2:~# virsh snapshot-list mail-mtl--jessie
     Name                 Creation Time             State
    ------------------------------------------------------------
    
    root@super-auforg2:~# virsh domblklist mail-mtl--jessie
    Target     Source
    ------------------------------------------------
    vdc        /var/lib/libvirt/images3/mail-montreal-sys-jan2016.img
    vdd        /var/lib/libvirt/images/mail-mtl--jessie.qcow2
    
    root@super-auforg2:~#

    • les sauvegardes

      root@super-auforg2:~# ls -al /var/lib/backup/
      total 5550920
      drwxr-xr-x  1 1004 users       4096 mai 20 10:25 .
      drwxr-xr-x 39 root root        4096 mai 20 10:16 ..
      -rw-r--r--  1 1004 users 4609998848 mai 20 10:24 mail-montreal-sys-jan2016.img
      -rw-r--r--  1 1004 users 1074135040 mai 20 10:24 mail-mtl--jessie.qcow2
      root@super-auforg2:~#

Parfait ! Rien (les snapshot) ne traîne et on a une copie de tous nos disques.

• est-ce que le rsync suivant n'enverra que le delta des images ?

  root@super-auforg2:~# time /usr/local/sbin/fi-backup.sh -q -d mail-mtl--jessie
  [INF] libVirt version '1.2.9' support is experimental
  [DEB] /usr/bin/qemu-img version '2.1.2' is supported
  [DEB] QEMU/KVM version '2.1.2' is supported
  [DEB] Domains NOTRUNNING: 
  [DEB] Domains RUNNING:  mail-mtl--jessie
  [DEB] Snapshot for domain 'mail-mtl--jessie' requested
  [DEB] Using timestamp '20160520-103331'
  [DEB] Snapshotting block devices for 'mail-mtl--jessie' using suffix 'bimg-20160520-103331'
  [DEB] Quiesce requested
  [VER] Snapshot for block devices of 'mail-mtl--jessie' successful
  [VER] Copy backing file '/var/lib/libvirt/images3/mail-montreal-sys-jan2016.img' to '/var/lib/backup//mail-montreal-sys-jan2016.img'
  sending incremental file list
  mail-montreal-sys-jan2016.img
    4,609,998,848 100%   10.19MB/s    0:07:11 (xfr#1, to-chk=0/1)
  
  sent 4,611,124,443 bytes  received 35 bytes  3,548,383.59 bytes/sec
  total size is 4,609,998,848  speedup is 1.00
  
  real    21m38.893s
  user    0m31.544s
  sys     0m12.076s
  [VER] No parent backing file for '/var/lib/libvirt/images3/mail-montreal-sys-jan2016.img'
  [VER] Copy backing file '/var/lib/libvirt/images/mail-mtl--jessie.qcow2' to '/var/lib/backup//mail-mtl--jessie.qcow2'
  sending incremental file list
  mail-mtl--jessie.qcow2
    1,074,135,040 100%   93.39MB/s    0:00:10 (xfr#1, to-chk=0/1)
  
  sent 1,074,397,380 bytes  received 35 bytes  5,985,500.92 bytes/sec
  total size is 1,074,135,040  speedup is 1.00
  
  real    2m59.779s
  user    0m6.340s
  sys     0m2.768s
  [VER] No parent backing file for '/var/lib/libvirt/images/mail-mtl--jessie.qcow2'
  
  real    24m39.572s
  user    0m38.008s
  sys     0m14.876s
  root@super-auforg2:~#