Re: [gentoo-user] Ghosting a Ext3 partition

[Dan Farrell <dan@spore.ath.cx>]

On Sat, 1 Mar 2008 02:04:31 -0500
"Ritesh Kumar" <ritesh@cs.unc.edu> wrote:

> On Fri, Feb 29, 2008 at 8:23 PM, maxim wexler <blissfix@yahoo.com>
> wrote:
> 
> > > Doesn't Ghost work with Ext3?  What can I do to
> > > recover my system without
> > > reinstalling from scratch?
> > >
> >
> > I've had success with #dd if=<partition-to-be-copied>
> > of=<partition-to-be-copied-to> bs=<varies>
> >
> >
> Is there a reason why you backup the filesystem along with the data
> on it? I do only minor backups... but even for anything major I would
> use a tool like tar or rsync and drop the filesystem metadata
> entirely.
> 
> Also directly reading from the block device is hazardous unless you
> umount (or mount as readonly) the filesystem in question. This is
> because, the filesystem may not keep all the data synced to the disk
> at all points in time.

not that i'd recommend it for production systems, but you could mount
with the 'sync' option to help with this.  

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