The ungleich virtualisation handbook » History » Revision 2
Revision 1 (Nico Schottelius, 11/06/2018 11:58 AM) → Revision 2/6 (Nico Schottelius, 11/06/2018 12:02 PM)
h1. The ungleich virtualisation handbook h2. Introduction * A place is autonomous data center and does not share resources with another place. * The storage clusters are separated so that they don't influence each other * Networks are place local -> changing the place means changing the IP addresses h2. Migrating a VM from one place to another * Find the VM id (*onevm list* in opennebula) * Stop the VM (*onevm stop <vimid>*) * Locate the disk in ceph ** Locate the correct ceph pool: *ceph osd lspools* ** rbd list -p <CEPH POOL> | grep <VMID> ** This gives you the *image name* * Login to the *destination place* and find out the target ceph pool ** Locate the correct ceph pool: *ceph osd lspools* (this is the TARGET POOL) * Transfer the disk into the other place ceph cluster ** rbd export <CEPH POOL>/<IMAGE NAME> - | ssh server-in-other-place "rbd import <TARGET POOL>/import-<VMID>" h2. See Also * For storage see [[The ungleich ceph handbook]]