On Fri, 2005-10-14 at 15:47 -0500, Aleksandar Milivojevic wrote:
Hm, maybe using that new mirroring feature in LVM. Mirror the thing, let it sync, and than break the mirror. You can have the thing online and available while syncing, and just unmount it for the short period of time when breaking the mirror (to avoid data corruption). Just an idea to investigate, don't know if it is actually doable (haven't yet had time to play with LVM mirroring, just saw it in list of new features).
Don't know about doing this under Linux, but it's one of the recommended solutions for backing up a system live running HP-UX. Though the people that I've heard doing this usually setup a three way mirror ... a bit wasteful of disk space, but 100% uptime.
Paul