From owner-freebsd-fs@FreeBSD.ORG  Tue May 22 19:22:58 2007
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Date: Tue, 22 May 2007 15:22:57 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: Ollivier Robert <roberto@keltia.freenix.fr>
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Cc: freebsd-fs@freebsd.org
Subject: Re: VERY frustrated with FreeBSD/UFS stability - please help or
	comment...
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On Tue, May 22, 2007 at 03:11:08PM +0200, Ollivier Robert wrote:
> According to Dag-Erling Sm?rgrav:
> > client2% rsync --archive --delete /vol server:/backup/client2
> > server% for vol in /backup/* ; do mksnap_ffs $vol $vol/.snap/`date` ; done
> 
> My experience with the sysutils/freebsd-snapshot, which enable automatic
> snapshot creation (? la NetApp) is that after a few created snapshots, the
> whole system just locks up.  This was in 6.0-6.1 days, maybe 6.2 has
> improved but they seem very fragile :(

It is fair to say that snapshots were not designed to be used in this
way and have manifested lots of tricky bugs under different usage
conditions.  People like Kostik and Tor have fixed lots of them over
the course of 6.x, but of course there may be others.

> I am eagerly waiting for ZFS.

ZFS snapshots are certainly a thing of beauty.

Kris