Red Hat Enterprise Linux Server Cookbook

Moving disks to another storage

Moving disks around is part of the life cycle of a guest. Disks in the storage pools (local or network) may fail or fill up due to bad capacity management. Another reason may be the cost or speed of the disks involved. Sooner or later, one of these things will happen, and then you will need to move the storage somewhere else.

Ordinarily, one would have to shut down the guest, copy the storage volume file elsewhere (if it is a file), wait, update the machine's XML configuration, and launch it again. However, in today's mission-critical enterprises, this may not always be possible.

Getting ready

In order to perform this copy, you need the source and destination paths of the disk. You can get the source path by checking ...