On Tue, 2006-01-31 at 10:36 +1030, Daniel O'Connor wrote: > On Tuesday 31 January 2006 09:47, Timo Veith wrote: > > Which way would you recommend for copying: rsync, tar, cp or whatever? I > > am concerned about the databases that cyrus uses. Will they they be > > consistent afterwards. Is there anything I have to be aware of or do > > before? I don't want to break things just because I am trying to do a > > backup. > > The DB's should always be consistent on disk, so if you do a snapshot then > you > can back it up however you like.
to pick a nit: you won't see dataloss, but the DB may need recovery. since LVM snapshots are at the block layer, and DB consistency is only guaranteed after a filesystem flush initiated by the userspace process, there may be structures which are incompletely written on the block layer. -- Kjetil T. ---- Cyrus Home Page: http://asg.web.cmu.edu/cyrus Cyrus Wiki/FAQ: http://cyruswiki.andrew.cmu.edu List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
