[OpenAFS] Weird client behaviour with openafs 1.4.5

[Berthold Cogel]

Hello!

Since some days I see this when I look into some AFS directories:


[bco@co tsm]$ ll
insgesamt 0
?--------- ? ? ? ?             ? dsmcad.rc.linux
?--------- ? ? ? ?             ? dsm.logrotate
?--------- ? ? ? ?             ? dsm.opt.linux
?--------- ? ? ? ?             ? dsm.opt.panfs
?--------- ? ? ? ?             ? dsm.opt.vmware
?--------- ? ? ? ?             ? dsm.sys.c3grid
?--------- ? ? ? ?             ? dsm.sys.failure
?--------- ? ? ? ?             ? dsm.sys.linux
?--------- ? ? ? ?             ? dsm.sys.panfs
?--------- ? ? ? ?             ? dsm.sys.vmware
?--------- ? ? ? ?             ? inclexcl.linux
?--------- ? ? ? ?             ? inclexcl.panfs
?--------- ? ? ? ?             ? RCS

Not always the same volume but with the same server:

[bco@co tsm]$ fs checks
These servers unavailable due to network or server problems: 
afsfs1.rrz.uni-koeln.de.


But:

The server is reachable via ping. And the problem disappears after some 
time. And the volumes are available on other client systems. So there 
seems to be a communication problem between my desktop and the server.
Now I'm looking for some hints to debug this problem. Has anybody seen 
this before? The server is running openafs 1.2.13.


[bco@co tsm]$ uname -a
Linux co.rrz.uni-koeln.de 2.6.18-53.1.14.el5 #1 SMP Tue Feb 19 07:18:46 
EST 2008 x86_64 x86_64 x86_64 GNU/Linux
[bco@co tsm]$ rpm -qa|grep openafs
openafs-krb5-1.4.5-el5.1
kmod-openafs-1.4.5-1.2.6.18_53.1.14.el5
openafs-compat-1.4.5-el5.1
openafs-kpasswd-1.4.5-el5.1
openafs-authlibs-1.4.5-el5.1
kmod-openafs-1.4.5-1.2.6.18_53.1.13.el5
openafs-1.4.5-el5.1
openafs-client-1.4.5-el5.1


Regards,

Berthold Cogel