Re: Jail shutdown does not unmount
Well, this thread proves that I should read more manual pages, or at least read up a little more on jails. I wasn't aware of this option (I just discovered
mount.fstab in the
jail(8) manual page thanks to this thread) and just tried it myself; it works like a charm! It mounts and unmounts.
Just for the record, this is my
/etc/fstab.dogma:
Code:
/usr/ports /usr/jails/dogma/usr/ports nullfs rw,noauto 0 0
/usr/ports/distfiles /usr/jails/dogma/usr/ports/distfiles nullfs rw,noauto 0 0
Which I'm referring to in
/etc/jail.conf using the option mentioned above. Now; on my end it works both ways. Everything gets mounted and dismounted.
So when looking at your error messages it would appear as if something is keeping your file system(s) busy. So what I would do, right after you tried to remove your jail, is to use
fstat to try and determine which kind of process is keeping that mountpoint busy.
Unfortunately its not as straight forward as it can be done on Linux (there you have the
lsof command available). So I wrote a script some months ago (
gof or "Get Open Files") to do exactly that:
Code:
#!/bin/sh
## Get Open Files; this script accepts a directory as input and
## will list any open files it finds within.
for a in $(fstat -f $1 | grep -v wd | sed -E 's/[[:space:]]+/ /g' |\
cut -d ' ' -f3 | uniq | grep -v PID); do
procstat -f $a | grep $1 | grep -v cwd;
done;
It might be able to help you out here.
