NFS: Processes marked "in disk"

Sten Spans sten at blinkenlights.nl
Sat Jan 24 05:33:23 PST 2004


On Fri, 23 Jan 2004, Brian Reichert wrote:

> On Fri, Jan 23, 2004 at 12:03:08PM -0800, Doug White wrote:
> > For the record,
> >
> > It is NOT RECOMMENDED to put mail spools on NFS volumes.  NFS locking is
> > not reliable and you WILL get corrupted spools or other wierd locking
> > behavior.  Particularly with FreeBSD where NFS locking just started
> > working in 5.x.  In 4.x, it was all a sham :-)
>
> FWIW: the qmail folks have a mailbox format they say is safe for NFS:
>
>   <http://cr.yp.to/proto/maildir.html>
>

which works prefectly. MBOX is basically useless in large isp setups.
The funniest problem probably is when people hit their disk quota,
which means the mbox can't be locked, so the can't pop their mail :).

-- 
Sten Spans

"There is a crack in everything, that's how the light gets in."
Leonard Cohen - Anthem


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