Robert Wotzlaw:
> The solution is the change of the uid, guid and perm of the
> directories /tmp/jailcache.rw.usrlocal and
> /tmp/jailcache.ro.usrlocal, if I see it the right way.
I think you are right.
> [ 129.434722] aufs au_opts_parse:1039:mount[3397]: unknown option
> errors=remount-ro
> [ 129.441762] aufs au_opts_parse:1039:mount[3398]: unknown option
> commit=0
:::
> Now after I had installed the aufs-util, it seems I had passed a
> wrong mount option to AUFS. Please, could you take a look on the
> above shown mount command. The command is an example how I mounted
> the AUFS branches. Maybe you find a wrong mount option in the command
> line.
I could not see the wrong mount options in your script.
Maybe you should make it clear what your GNOME Desktop session does,
particularly when and why it invokes mount(8).
I am afraid some process (including aufs-util) might mis-interpret
/etc/mtab. How is your /etc/mtab?
> Your suggestion was the script aubusy. Sure aubusy is our friend to
> detect a busy AUFS branch but I have had some problems with the
> script. Maybe I stumbled about an old version of aubusy. The script
> I used is from the Debian binary package aufs-tools with the version
> number 20110410-1.
Whao, it is too old again, and it is not supported now.
> /usr/bin/aubusy: 62: /usr/bin/aubusy: mntopts: parameter not set
> 19: Invalid argument
> xargs: auibusy: exited with status 255; aborting
:::
> I guess that a new Debian binary package of aufs-tools does include a
> newer, a adapted version of aubusy.
The sed line is correct and latest aufs-util contains the exact same
line. I don't think your fix is correct, but we need to know how is your
/proc/self/mounts, /proc/$$/mounts and /proc/mounts.
Let me show these files.
> exportfs: /srv/nfs does not support NFS export
Did you enable CONFIG_AUFS_EXPORT?
Additionally you should read the aufs manual especially the section
"Exporting Aufs via NFS".
J. R. Okajima
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