lazy mirror / live backup

[Bernd Walter]

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.

-- 
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