Messages in this thread | | | Subject | Re: Two RAID1 mirrors are faster than three | From | Anders Karlsson <> | Date | 12 May 2003 08:23:15 +0100 |
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On Mon, 2003-05-12 at 06:41, Paul P Komkoff Jr wrote:
> Replying to Anders Karlsson: > > downtime on it. You then quiesce the database, split off the second copy > > from the mirror, mount that as a separate filesystem and back that up > > while the original with its first copy has already stepped back into > > full use. > > Why do not use snapshots for this?
Snapshots was not around then. AFAIK snapshotting in the LVM is a recent thing. I know people were doing backups by splitting off the 2nd copy in a mirror some eight years ago.
/Anders [unhandled content-type:application/pgp-signature] | |