Yes! My level of knowledge is that one uses the qcow2 format in order to be able to create live snapshots/backups. Otherwise one would tend to use the more efficient raw format. Is this not correct and did I apply the backup mechanism in the wrong way?
-----Ursprüngliche Nachricht----- Von: Paolo Bonzini [mailto:pbonz...@redhat.com] Gesendet: Mittwoch, 19. November 2014 12:54 An: Prof. Dr. Michael Schefczyk; qemu-devel Betreff: Re: AW: "File too large" error from "qemu-img snapshot" (was Re: AW: Bug Repoting Directions Request) On 19/11/2014 12:48, Prof. Dr. Michael Schefczyk wrote: > > Thank you very much. To execute the backup, I run a script. For the machine > in question, it looks as follows: > > #!/bin/bash > dt=`date +%y%m%d` > qemu-img snapshot -c gatewayb72 /kvm02/gatewayb72.img qemu-img convert > -f qcow2 -O qcow2 /kvm02/gatewayb72.img /backup/gatewayb72$dt.img > qemu-img snapshot -d gatewayb72 /kvm02/gatewayb72.img /bin/find > /backup/* -mtime +100 -exec rm {} \; Is it done while the VM is running? Paolo
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