> -----Oorspronkelijk bericht----- > Van: libvirt-users-bounces@xxxxxxxxxx [mailto:libvirt-users- > bounces@xxxxxxxxxx] Namens Björn Lässig > Verzonden: vrijdag 27 mei 2016 10:10 > Aan: libvirt-users@xxxxxxxxxx > Onderwerp: migrate local storage to ceph | exchanging the > storage system > > TLDR: Why is virsh migrate --persistent --live domain > qemu+ssh://root@host/system --xml domain.ceph.xml > not persistent and what could i do about it? > > Hi, > after years of beeing pleased with local storage and migrating the complete > storage from one host to another, it was time for ceph. > > After setting up a cluster and testing it, its time now for moving a lot of VMs on > that type of storage, without a disturbance if possible. > > So I 'virsh dumpxml domain > domain.ceph.xml', edit the file, replace // ---- old > ---- // <disk type='file' device='disk'> > <driver name='qemu' type='qcow2' cache='none'/> > <source file='domain.img'/> > <backingStore/> > <target dev='vda' bus='virtio'/> > <alias name='virtio-disk0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x04' > function='0x0'/> > </disk> > > // ---- with new ---- // > <disk type='network' device='disk'> > <driver name='qemu' type='raw'/> > <auth username='libvirt'> > <secret type='ceph' uuid='53e4ba03-5ad0-4f1e-b69e-897afba272ff'/> > </auth> > <source protocol='rbd' name='libvirt/domain'> > <host name='cephmon0' port='6789'/> > <host name='cephmon1' port='6789'/> > <host name='cephmon2' port='6789'/> > </source> > <backingStore/> > <target dev='vda' bus='virtio'/> > <boot order='1'/> > <alias name='virtio-disk0'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x04' > function='0x0'/> > </disk> > > Now i'm calling: > > root@host_a:~# virsh migrate --verbose --p2p --copy-storage-all --persistent -- > change-protection --abort-on-error --undefinesource --live domain > qemu+ssh://root@host_b/system --xml domain.ceph.xml Weird: The domain should be persistent You can make an transient domain persistent by doing a 'virsh define domain.ceph.xml' > > This takes its time to copy everything into ceph, but when its over, i never have > to migrate Terabytes of Storage again. > > But its not over. > The new domain definition on host_b is not persistent and after a shutdown, > local storage is used again. > > What do i have todo, to make this change persistent, or is there a better way > for doing this? > > (i am using libvirt 1.2.9) > > Thanks in advance > Björn Lässig > -- > Pengutronix e.K. | | > Industrial Linux Solutions | http://www.pengutronix.de/ | > Peiner Str. 6-8, 31137 Hildesheim | Phone: +49-5121-206917-0 | > Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | > > _______________________________________________ > libvirt-users mailing list > libvirt-users@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/libvirt-users _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
