[libvirt-users] Incremental Backups

Thomas Stein himbeere at meine-oma.de
Fri Sep 20 15:07:17 UTC 2013


On 2013-09-20 16:05, Davide Guerri wrote:
> Hi
> 
>> hn LibVirtKvm-scripts # ./fi-backup.sh -b /opt/virt-backup-local/ -d 
>> serve.lordcritical
>> [DEB] qemu-img version '1.6.0' is supported
>> [DEB] KVM version '1.6.0,' is supported
>> [DEB] Snapshot for domain 'serve.lordcritical' requested
>> [DEB] Using timestamp '20130920-151742'
>> [DEB] Snapshotting block devices for 'serve.lordcritical' using suffix 
>> 'bimg-20130920-151742'
>> [VER] Snapshot for block devices of 'serve.lordcritical' successful
>> [ERR] Error getting backing file for 
>> '/var/lib/libvirt/images/serve.lordcritical.bimg-20130920-151742'.
> 
> Will you please send me the output of  the following?
> 
> qemu-img info 
> /var/lib/libvirt/images/serve.lordcritical.bimg-20130920-151742


Looks okay actually.

hn LibVirtKvm-scripts # ./fi-backup.sh -b /opt/virt-backup-blockcopy/ 
serve.lordcritical
[ERR] Error getting backing file for 
'/var/lib/libvirt/images/serve.lordcritical.bimg-20130920-170511'.
hn LibVirtKvm-scripts # qemu-img info 
/var/lib/libvirt/images/serve.lordcritical.bimg-20130920-170511
image: /var/lib/libvirt/images/serve.lordcritical.bimg-20130920-170511
file format: qcow2
virtual size: 40G (42949672960 bytes)
disk size: 196K
cluster_size: 65536
backing file: 
/var/lib/libvirt/images/serve.lordcritical.bimg-20130920-170121
backing file format: qcow2
hn LibVirtKvm-scripts #


cheers
t.

> Thanks!
> 
>> At the moment i try:
>> 
>> https://bitbucket.org/guilhemfr/virt-back
> 
> Seems very interesting and promising. I will try it!
> 
> Cheers,
> D.




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