Date: Sat, 21 Apr 2007 12:02:34 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Eric Anderson <anderson@freebsd.org> Cc: freebsd-fs@freebsd.org, Mike Wolman <mike@nux.co.uk>, ticso@cicely.de Subject: Re: lazy mirror / live backup Message-ID: <20070421100233.GE64413@cicely12.cicely.de> In-Reply-To: <4629711B.9070902@freebsd.org> References: <20070420232209.G4559@nux.eros.office> <20070421000029.N4559@nux.eros.office> <20070421000805.GA64413@cicely12.cicely.de> <20070421011716.B4559@nux.eros.office> <20070421010734.GD64413@cicely12.cicely.de> <20070421021529.R16230@nux.eros.office> <4629711B.9070902@freebsd.org>
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On Fri, Apr 20, 2007 at 09:04:11PM -0500, Eric Anderson wrote: > On 04/20/07 20:25, Mike Wolman wrote: > > > >On Sat, 21 Apr 2007, Bernd Walter wrote: > > > >>On Sat, Apr 21, 2007 at 01:38:31AM +0100, Mike Wolman wrote: > > > >Yea i use rsync and snapshots quite a bit, but unfortunately rsync works > >at the filesystem level so you cant really get a bootable image of the > >whole device. It would be nice if this could be done without user > >interaction, ie if the ggatec component of a mirror disappears and > >reappears gmirror justs gets to work syncing things up. > > rsync and it's like are great tools, but traversing the tree every time > is not only slow and heavy handed, but it takes an enormous amount of > memory (akin to fsck) for large file systems. rsync isn't the right > tool for lazy syncing. Thich file tree? I was talking about a snapshot, which is a single file. -- B.Walter http://www.bwct.de http://www.fizon.de bernd@bwct.de info@bwct.de support@fizon.de
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