We are using qemu storage migration regularly via proxmox Works fine, you can go on On 12/11/2018 05:39 PM, Lionel Bouton wrote: > > I believe OP is trying to use the storage migration feature of QEMU. > I've never tried it and I wouldn't recommend it (probably not very > tested and there is a large window for failure). > > One tactic that can be used assuming OP is using LVM in the VM for > storage is to add a Ceph volume to the VM (probably needs a reboot) add > the corresponding virtual disk to the VM volume group and then migrate > all data from the logical volume(s) to the new disk. LVM is using > mirroring internally during the transfer so you get robustness by using > it. It can be slow (especially with old kernels) but at least it is > safe. I've done a DRBD to Ceph migration with this process 5 years ago. > When all logical volumes are moved to the new disk you can remove the > old disk from the volume group. > > Assuming everything is on LVM including the root filesystem, only moving > the boot partition will have to be done outside of LVM. > > Best regards, > > Lionel > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com