= 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:~# 

}}}