Re: [Libvir] Concepts in storage management

On Tue, Oct 16, 2007 at 04:19:29PM +0100, Daniel P. Berrange wrote: When we support migration the storage API should let us do sanity checking prior to migration. The metadata provided for a poool and a volume should allow an algorithm sort of like this For each disk assigned to the guest - Lookup volume associated with the path on the source host - Lookup volume associated with the path on the dest host - If the dest volume is missing, refuse to migrate - If the dest volume has as different UUID refuse to migrate (Sync UUID to SCSI worldwide name perhaps ?) - Lookup pool associated with the volume on source host - Lookup pool associated with the volume on dest host - If the pool is different, then refuse to migrate (catches case of a different NFS mount being used, or it being a local internal storage pool, for example) Dan. -- |=- Red Hat, Engineering, Emerging Technologies, Boston. +1 978 392 2496 -=| |=- Perl modules: http://search.cpan.org/~danberr/ -=| |=- Projects: http://freshmeat.net/~danielpb/ -=| |=- GnuPG: 7D3B9505 F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 -=|