File system
Ansar Mohammed
ansarm at gmail.com
Sun May 9 11:55:01 UTC 2010
Thank you Bruce and Matthew,
for your very informed and insightful comments.
I read online that this may be fixed in FreeBSD 9 with jeff's UFS
Journaling patch. Have you guys tried this yet?
http://jeffr-tech.livejournal.com/
On Sun, May 9, 2010 at 5:46 AM, Bruce Cran <bruce at cran.org.uk> wrote:
> On Sunday 09 May 2010 04:18:12 Ansar Mohammed wrote:
>
> > The background to this problem is because the FreeBSD root filesystem
> (UFS)
> > is not journaled and for some reason I cannot set my root partition to be
> > UFS+SoftUpdates.
> >
> > At any rate, we are in the year 2010, most modern operating systems and
> > databases and able to survive an unclean shutdown without booting into
> > single user mode and file system/data corruption.
>
> Even with SoftUpdates and journaling you'll find UFS doesn't cope well with
> unclean shutdowns: to test it, a couple of weeks ago I started a "rm -rf
> /usr/obj/*" and pressed the reset button - upon startup I got dumped into
> single-user mode with a softupdates inconsistency. I've not tried the same
> test but I think ZFS is much better at recovering from this sort of problem
> since it was designed from the start to be very resilient.
>
> --
> Bruce Cran
>
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