## page was renamed from ZA/Montréal/Sauvegardes/FiBackupLibvirt
= ZA/Montréal/Sauvegardes/FiBackupLibvirt =

 * Montage du répertoire distant de backup-wan {{{
# dans /etc/fstab
sshfs#backup-libvirt@backup-wan.ca.auf:/var/lib/backuppc/backup-libvirt/super-auforg.ca.auf  /mnt/fi-backup          fuse            port=22,user,noatime,allow_other,_netdev     0 0
}}}

 * Première sauvegarde (avec option debug) {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -d tour-de-controle
[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:  tour-de-controle
[DEB] Snapshot for domain 'tour-de-controle' requested
[DEB] Using timestamp '20151218-113114'
[DEB] Snapshotting block devices for 'tour-de-controle' using suffix 'bimg-20151218-113114'
[DEB] Quiesce requested
[VER] Snapshot for block devices of 'tour-de-controle' successful
[VER] Copy backing file '/var/lib/libvirt/images/tour-de-controle.img' to '/mnt/fi-backup/tour-de-controle.img'
[VER] No parent backing file for '/var/lib/libvirt/images/tour-de-controle.img'
root@super-auforg:/usr/local/sbin/fi-backup#

root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.*
-rw------- 1 libvirt-qemu libvirt-qemu     786432 déc 18 11:31 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-113114
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 11:31 /var/lib/libvirt/images/tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /mnt/fi-backup/
total 2025864
drwxrwx--- 1 1004 users       4096 déc 18 11:31 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw-r--r-- 1 1004 users 2074476544 déc 18 11:32 tour-de-controle.img
}}}

 * Deuxième sauvegarde (avec option debug) {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -d tour-de-controle
[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:  tour-de-controle
[DEB] Snapshot for domain 'tour-de-controle' requested
[DEB] Using timestamp '20151218-114112'
[DEB] Snapshotting block devices for 'tour-de-controle' using suffix 'bimg-20151218-114112'
[DEB] Quiesce requested
[VER] Snapshot for block devices of 'tour-de-controle' successful
[VER] Copy backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-113114' to '/mnt/fi-backup/tour-de-controle.bimg-20151218-113114'
[DEB] Parent backing file: '/var/lib/libvirt/images/tour-de-controle.img'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.*
-rw------- 1 libvirt-qemu libvirt-qemu     786432 déc 18 11:41 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-113114
-rw------- 1 libvirt-qemu libvirt-qemu     786432 déc 18 11:41 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-114112
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 11:31 /var/lib/libvirt/images/tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /mnt/fi-backup/
total 2026632
drwxrwx--- 1 1004 users       4096 déc 18 11:41 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw-r--r-- 1 1004 users 2074476544 déc 18 11:32 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup#
}}}

 * Consolidation {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -c -d tour-de-controle
[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:  tour-de-controle
[DEB] Consolidation of block devices for 'tour-de-controle' requested
[DEB] Block devices to be consolidated:
	/var/lib/libvirt/images/tour-de-controle.bimg-20151218-114112
[DEB] Consolidation method: blockcommit
[DEB] Consolidation of '0' block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-114112' for 'tour-de-controle'
[DEB] Parent block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-113114'
[VER] Consolidation of block device '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-114112' for 'tour-de-controle' successful
[DEB] Not deleting last element of snapshot_chain (top parent) since consolidation method='blockcommit'
[VER] Deleting old backing files for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-114112' for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-113114' for 'tour-de-controle'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.*
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 12:45 /var/lib/libvirt/images/tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /mnt/fi-backup/
total 2026632
drwxrwx--- 1 1004 users       4096 déc 18 11:41 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw-r--r-- 1 1004 users 2074476544 déc 18 11:32 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup#
}}}

 * Sauvegarde après consolidation {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -d tour-de-controle
[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:  tour-de-controle
[DEB] Snapshot for domain 'tour-de-controle' requested
[DEB] Using timestamp '20151218-125022'
[DEB] Snapshotting block devices for 'tour-de-controle' using suffix 'bimg-20151218-125022'
[VER] Snapshot for block devices of 'tour-de-controle' successful
[VER] Copy backing file '/var/lib/libvirt/images/tour-de-controle.img' to '/mnt/fi-backup/tour-de-controle.img'
[VER] No parent backing file for '/var/lib/libvirt/images/tour-de-controle.img'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.*
-rw------- 1 libvirt-qemu libvirt-qemu     197120 déc 18 12:50 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-125022
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 12:45 /var/lib/libvirt/images/tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /mnt/fi-backup/
total 2026632
drwxrwx--- 1 1004 users       4096 déc 18 11:41 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw-r--r-- 1 1004 users 2074476544 déc 18 12:51 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# 
}}}

Oups, j'ai oublié l'option "quiesce".
On reprend, après re-consolidation  : {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -c -d tour-de-controle
[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:  tour-de-controle
[DEB] Consolidation of block devices for 'tour-de-controle' requested
[DEB] Block devices to be consolidated:
	/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125424
[DEB] Consolidation method: blockcommit
[DEB] Consolidation of '0' block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125424' for 'tour-de-controle'
[DEB] Parent block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125022'
[VER] Consolidation of block device '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125424' for 'tour-de-controle' successful
[DEB] Not deleting last element of snapshot_chain (top parent) since consolidation method='blockcommit'
[VER] Deleting old backing files for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125424' for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125022' for 'tour-de-controle'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /mnt/fi-backup/
total 2027144
drwxrwx--- 1 1004 users       4096 déc 18 12:54 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw------- 1 1004 users     524288 déc 18 12:54 tour-de-controle.bimg-20151218-125022
-rw-r--r-- 1 1004 users 2074476544 déc 18 12:51 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.*
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 12:54 /var/lib/libvirt/images/tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup#

root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -q -d tour-de-controle
[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:  tour-de-controle
[DEB] Snapshot for domain 'tour-de-controle' requested
[DEB] Using timestamp '20151218-125602'
[DEB] Snapshotting block devices for 'tour-de-controle' using suffix 'bimg-20151218-125602'
[DEB] Quiesce requested
[VER] Snapshot for block devices of 'tour-de-controle' successful
[VER] Copy backing file '/var/lib/libvirt/images/tour-de-controle.img' to '/mnt/fi-backup/tour-de-controle.img'
[VER] No parent backing file for '/var/lib/libvirt/images/tour-de-controle.img'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.*
-rw------- 1 libvirt-qemu libvirt-qemu     786432 déc 18 12:56 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-125602
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 12:56 /var/lib/libvirt/images/tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /mnt/fi-backup/
total 2027144
drwxrwx--- 1 1004 users       4096 déc 18 12:54 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw------- 1 1004 users     524288 déc 18 12:54 tour-de-controle.bimg-20151218-125022
-rw-r--r-- 1 1004 users 2074476544 déc 18 12:56 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# 
}}}

 * Sauvegarde et consolidation {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -q -c -d tour-de-controle

[ERR] consolidation (-c | -C) and quiesce (-q) are not compatible
}}}
Il faut sauvegarder puis consolider.

 * Dernière passe : backup + consolidation + backup + consolidation {{{
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -q -d tour-de-controle
[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:  tour-de-controle
[DEB] Snapshot for domain 'tour-de-controle' requested
[DEB] Using timestamp '20151218-130644'
[DEB] Snapshotting block devices for 'tour-de-controle' using suffix 'bimg-20151218-130644'
[DEB] Quiesce requested
[VER] Snapshot for block devices of 'tour-de-controle' successful
[VER] Copy backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125602' to '/mnt/fi-backup/tour-de-controle.bimg-20151218-125602'
[DEB] Parent backing file: '/var/lib/libvirt/images/tour-de-controle.img'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.* /mnt/fi-backup/
-rw------- 1 libvirt-qemu libvirt-qemu    1114112 déc 18 13:06 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-125602
-rw------- 1 libvirt-qemu libvirt-qemu     720896 déc 18 13:06 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-130644
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 12:56 /var/lib/libvirt/images/tour-de-controle.img

/mnt/fi-backup/:
total 2028232
drwxrwx--- 1 1004 users       4096 déc 18 13:06 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw------- 1 1004 users     524288 déc 18 12:54 tour-de-controle.bimg-20151218-125022
-rw------- 1 1004 users    1114112 déc 18 13:06 tour-de-controle.bimg-20151218-125602
-rw-r--r-- 1 1004 users 2074476544 déc 18 12:56 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# 

root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -c -d tour-de-controle
[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:  tour-de-controle
[DEB] Consolidation of block devices for 'tour-de-controle' requested
[DEB] Block devices to be consolidated:
	/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130644
[DEB] Consolidation method: blockcommit
[DEB] Consolidation of '0' block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130644' for 'tour-de-controle'
[DEB] Parent block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125602'
[VER] Consolidation of block device '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130644' for 'tour-de-controle' successful
[DEB] Not deleting last element of snapshot_chain (top parent) since consolidation method='blockcommit'
[VER] Deleting old backing files for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130644' for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-125602' for 'tour-de-controle'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.* /mnt/fi-backup/
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 13:07 /var/lib/libvirt/images/tour-de-controle.img

/mnt/fi-backup/:
total 2028232
drwxrwx--- 1 1004 users       4096 déc 18 13:06 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw------- 1 1004 users     524288 déc 18 12:54 tour-de-controle.bimg-20151218-125022
-rw------- 1 1004 users    1114112 déc 18 13:06 tour-de-controle.bimg-20151218-125602
-rw-r--r-- 1 1004 users 2074476544 déc 18 12:56 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -q -d tour-de-controle
[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:  tour-de-controle
[DEB] Snapshot for domain 'tour-de-controle' requested
[DEB] Using timestamp '20151218-130839'
[DEB] Snapshotting block devices for 'tour-de-controle' using suffix 'bimg-20151218-130839'
[DEB] Quiesce requested
[VER] Snapshot for block devices of 'tour-de-controle' successful
[VER] Copy backing file '/var/lib/libvirt/images/tour-de-controle.img' to '/mnt/fi-backup/tour-de-controle.img'
[VER] No parent backing file for '/var/lib/libvirt/images/tour-de-controle.img'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.* /mnt/fi-backup/
-rw------- 1 libvirt-qemu libvirt-qemu     786432 déc 18 13:09 /var/lib/libvirt/images/tour-de-controle.bimg-20151218-130839
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 13:08 /var/lib/libvirt/images/tour-de-controle.img

/mnt/fi-backup/:
total 2028232
drwxrwx--- 1 1004 users       4096 déc 18 13:06 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw------- 1 1004 users     524288 déc 18 12:54 tour-de-controle.bimg-20151218-125022
-rw------- 1 1004 users    1114112 déc 18 13:06 tour-de-controle.bimg-20151218-125602
-rw-r--r-- 1 1004 users 2074476544 déc 18 13:09 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# ./fi-backup.sh -c -d tour-de-controle
[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:  tour-de-controle
[DEB] Consolidation of block devices for 'tour-de-controle' requested
[DEB] Block devices to be consolidated:
	/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130839
[DEB] Consolidation method: blockcommit
[DEB] Consolidation of '0' block device: '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130839' for 'tour-de-controle'
[DEB] Parent block device: '/var/lib/libvirt/images/tour-de-controle.img'
[VER] Consolidation of block device '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130839' for 'tour-de-controle' successful
[DEB] Not deleting last element of snapshot_chain (top parent) since consolidation method='blockcommit'
[VER] Deleting old backing files for 'tour-de-controle'
[VER] Deleting old backing file '/var/lib/libvirt/images/tour-de-controle.bimg-20151218-130839' for 'tour-de-controle'
root@super-auforg:/usr/local/sbin/fi-backup# ls -al /var/lib/libvirt/images/tour-de-controle.* /mnt/fi-backup/
-rw-r--r-- 1 libvirt-qemu libvirt-qemu 2074476544 déc 18 13:09 /var/lib/libvirt/images/tour-de-controle.img

/mnt/fi-backup/:
total 2028232
drwxrwx--- 1 1004 users       4096 déc 18 13:06 .
drwxr-xr-x 3 root root        4096 déc 18 10:21 ..
-rw------- 1 1004 users     786432 déc 18 11:41 tour-de-controle.bimg-20151218-113114
-rw------- 1 1004 users     524288 déc 18 12:54 tour-de-controle.bimg-20151218-125022
-rw------- 1 1004 users    1114112 déc 18 13:06 tour-de-controle.bimg-20151218-125602
-rw-r--r-- 1 1004 users 2074476544 déc 18 13:09 tour-de-controle.img
root@super-auforg:/usr/local/sbin/fi-backup# 
}}}