= 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:~#
}}}