You don’t provide any details, but if you copied the qcow file while the instance was running, you can’t be certain that the file is in a consistent state. There might be unflushed data in the instance buffer cache and in the host buffer cache. Did you consider instance snapshots? What do you get from guestmount -i? Bernd > On Jul 28, 2018, at 19:53, Lior Fellus <felluslior at gmail.com> wrote: > > Hi > > i am using Mirantis OpenStack mitaka. > the OS volume of every instance are stored in /var/lib/nova/instances as qcow files. > the volumes i used as storage disk are nfs on my EMC. > i am backing up those volumes to another server. > i have to restore files from one volume i have in backup server. > i tried to mount this volume with guestmount to my ubuntu pc but fs is not recognise. > any suggestions would be appriciate > > Regards > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack