On Fri, Sep 4, 2009 at 10:47 PM, Matt<[email protected]> wrote: > I would like to be able to shrink or grow a virtual disk (with the obvious > caveat of minimum required size for current data stored on it). Is this > possible? > > In terms of performance and disregarding all other factors, which is the best > virtual disk format (its on a 6-disk ZFS mirror, if that makes any > difference)?
Why not use zvol? AFAIK performance of a block device should be higher compared to file. Plus when you enable compression, zvol will store zeroes in a special way that uses no disk space, so if you set "refreservation=none", you can "defragment" by writing zeroes to unused disk space (like with sdelete for Windows domU). -- Fajar _______________________________________________ xen-discuss mailing list [email protected]
