Obscure df -h output

Kris Kennaway kris at FreeBSD.org
Fri Aug 29 07:26:29 UTC 2008

Marc Coyles wrote:
>> Yes, they did something bizarre.  Ask them why :)
>> Kris
>> _______________________________________________
> Mornin' Kris / list...
> Asked them why and they shrugged and said "we didn't"... So... I
> unmounted all the nullfs mounts that it'd allow me to unmount (tmp, dev,
> proc and bin were "busy") and then rebooted the box to see if they
> reappeared. They didn't. Then I had a bit of a "ting" moment as the
> lightbulb 2" above my head flickered into life, and logged in as a
> jailed user... Lo and behold, the mounts reappeared. Logged out and
> logged back in as my regular user, and the mounts remained.
> Should mounts for jail-shells automatically unmount themselves when that
> user logs out?? Either way, we know what the "issue" is, and that it
> isn't an issue at all... S'just the joys of letting cPanel do something
> for you...!

"jail shells" and associated nullfs mounts are something you have 
configured locally, so I guess that is what is going wrong.


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