AW: Automounter-problem

From: harald.husemann@materna.de
Date: Wed Dec 17 2003 - 09:57:41 EST


Hi,

and many thanks to Casper Dik who helped me out!
The problem was caused by the /xfn entry (already commented it out, but due
to the +auto_master the global NIS-maps were still included - and there, the
entry was still present...)
After commenting out the NIS-entries also, and rebooting the system to get
rid of the old configs in mem, I finally got it up and running again.
The main problem seems to be a bug in automountd: (Thanks to Casper for the
tip!)

4847047 automountd dumps core when accessing /xfn/_x500 with Patch 108993-18

You should have more luck with 108993-20

Of course, 108993-18 is installed - I'll download the new version, and
install it to prevent such problems in future.

Thanks to the list for the quick help,

keep on hackin',

Harald

> -----Urspr|ngliche Nachricht-----
> Von: sunmanagers-bounces@sunmanagers.org
> [mailto:sunmanagers-bounces@sunmanagers.org]Im Auftrag von
> harald.husemann@materna.de
> Gesendet: Mittwoch, 17. Dezember 2003 13:25
> An: sunmanagers@sunmanagers.org
> Betreff: Automounter-problem
>
>
> Hi gurus,
>
> I have a strange problem here with the automountd.
> Machine is a E250, running Solaris 8, uname -a reads:
> SunOS pieris 5.8 Generic_108528-20 sun4u sparc SUNW,Ultra-250
>
> Yesterday, the system crashed due to a power outage, and
> after booting it
> up, automountd refuses to run...
> /var/adm/messages shows messages like "automountd not
> running, retrying...",
> and ps -ef | grep auto shows that there's no automountd...
> I tried to start the automountd from the commandline, to get
> a more verbose
> description, with the following result:
>
> ====================/snip/====================================
> ==============
> =======
> bash-2.03# /usr/lib/autofs/automountd -v -T &
> [1] 1807
> bash-2.03# t1 MOUNT REQUEST: Wed Dec 17 13:02:41 2003
> t1 name=webadmin[] map=auto_home opts=nobrowse path=/home_nfs
> direct=0
> t6 MOUNT REQUEST: Wed Dec 17 13:02:41 2003
> t6 name=nameserv[] map=auto_home opts=nobrowse path=/home_nfs
> direct=0
> t7 MOUNT REQUEST: Wed Dec 17 13:02:41 2003
> t7 name=mm-vobwicht[/vobstore] map=-hosts opts=nosuid,nobrowse
> path=/net/mm-vobwicht/vobstore direct=1
> t8 READDIR REQUEST : -xfn/_x500 @ 100000
>
> [1]+ Done /usr/lib/autofs/automountd -v -T
> ======================/snap/==================================
> ==============
> ==========
>
> Hm....
> Config is:
> oracle8(dba)@pieris:~
> [DEVMMS]$ cat /etc/auto_master
> # Master map for automounter
> #
> +auto_master
> /net -hosts -nosuid,nobrowse
> /home_nfs auto_home -nobrowse
> #/xfn -xfn
> oracle8(dba)@pieris:~
> [DEVMMS]$ cat /etc/auto_home
> # Home directory map for automounter
> #
> +auto_home
> * -rw mm-vobwicht:/export/home/&
>
> Since we're using the automountd to mount the home-dirs, a
> login to the
> machine is no longer possible, except of some special
> accounts like root...
> Before the crash, everything was running fine, and of course
> we haven't
> changed anything...
>
> Any suggestions or ideas are welcome, :-)
>
> Thanks,
>
> Harald
>
> ============================================
> Harald Husemann
> Systems Engineer
> Teammanager Unix administration and Configuration Management
> Materna Gmbh - Vo_kuhle 37 -
> D-44141 Dortmund, Germany
> Phone: +49-231-5599-8684
> Mobile: +49-179-2300651
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