fsck and dump freeze freebsd. any ideas?

Adam Vande More amvandemore at gmail.com
Tue Jul 28 21:21:07 UTC 2009

On Tue, Jul 28, 2009 at 4:16 PM, Polytropon <freebsd at edvax.de> wrote:

> On Tue, 28 Jul 2009 14:07:13 -0700, "Edward Sanford Sutton, III" <
> mirror176 at cox.net> wrote:
> >   As a final question, is there any safe way to crash freebsd (or pull
> system
> > power) without a risk of filesystem corruption?
> An "easy" way is to go into single user mode and umount all the
> partitions, then press Reset or Power off. Most cases of file system
> corruption on hard reset or power loss are often repaired well by
> the fsck program. (I had system crashes due to defective USB sticks
> and never had file system corruption after a successful fsck run.
> Note that I did fsck in the foreground.)
> If you cannot umount disks, run "sync" three or four times and wait
> a little while. This is not "as good" as umounting disks, and quite
> useless if the system is active (in terms of file I/O).
> --
> Polytropon
> >From Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...
I've had fs corruption after a successful fsck runs, sometimes multiples are
needed.  I think after 2 consecutive runs it's as good as it's going to get,
but I could be wrong more may be helpful.  This is a rare occurrence in my

Adam Vande More

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