Looks like the issue is symlinking to a director prior to autofs
mounting it.
Everything fine...
root@numbersix:/# ssh chi uname -a
Linux chi 4.4.0-146-generic #172-Ubuntu SMP Wed Apr 3 09:00:08 UTC 2019 x86_64
x86_64 x86_64 GNU/Linux
root@chi:~# ls -la /home
ls: cannot access '/home': No such file or directory
root@chi:~#
root@numbersix:/# ssh chi 'ls -la /vol/*'
/vol/home:
total 8
drwxr-xr-x 1 root root 154 Apr 21 19:10 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
drwxr-xr-x 1 2005 2005 1070 Nov 17 2015 bethann
[trimmed]
/vol/media:
total 4
drwxr-xr-x 1 root root 128 Apr 13 18:29 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
/vol/zhora-temp:
total 24
dr-xr-xr-x 6 root root 4096 Mar 3 08:21 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
root@numbersix:/#
Everything works fine if the link is made after...
root@chi:/# ln -s /vol/home
root@chi:/# ls -la /home
lrwxrwxrwx 1 root root 9 May 2 12:11 /home -> /vol/home
root@chi:/#
root@chi:/# ls -la /vol/*
/vol/home:
total 8
drwxr-xr-x 1 root root 154 Apr 21 19:10 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
/vol/media:
total 4
drwxr-xr-x 1 root root 128 Apr 13 18:29 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
/vol/zhora-temp:
total 24
dr-xr-xr-x 6 root root 4096 Mar 3 08:21 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
root@chi:/#
It breaks after the reboot...
root@chi:/# init 6
Connection to chi closed by remote host.
Connection to chi closed.
root@numbersix:~# root@chi:/# init 6
Connection to chi closed by remote host.
Connection to chi closed.
root@numbersix:~#
root@numbersix:~#
root@numbersix:~# ssh chi
Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 4.4.0-146-generic x86_64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
21 packages can be updated.
15 updates are security updates.
New release '18.04.2 LTS' available.
Run 'do-release-upgrade' to upgrade to it.
root@chi:~# ls -la /vol/*
ls: cannot open directory '/vol/home': Too many levels of symbolic links
/vol/media:
total 4
drwxr-xr-x 1 root root 128 Apr 13 18:29 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
/vol/zhora-temp:
total 24
dr-xr-xr-x 6 root root 4096 Mar 3 08:21 .
drwxr-xr-x 5 root root 4096 Jul 2 2018 ..
[trimmed]
root@chi:~#
At this point, the link needs to be deleted and the VM rebooted to get back to
a normal state - just restarting autofs won't clear it.
** Package changed: systemd (Ubuntu) => autofs5 (Ubuntu)
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https://bugs.launchpad.net/bugs/1827286
Title:
autofs - "Too many levels of symbolic links" after apt upgrade
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