[OpenAFS] Connection timed out?

[Felix Frank]

On Tue, 10 Mar 2009, Robbert Eggermont wrote:

> L.S.,
>
> We are evaluating OpenAFS for use with 50 clients. One of the tests is a
> kernel build on 50 clients at the same time.
>
> During this test we encounter 'Permission denied' errors, which seem to
> coincide with 'kernel: afs: failed to store file (110)' entries in
> /var/log/messages. 110=Connection timed out. The fileserver is busy but
> responsive, about 25 builds (out of 50) complete normally.
>
> We are running 1.4.8 client & server, kernel > 2.6.18 64-bits. Currently
> all server processes run on the same server. Fileserver settings:
> /usr/afs/bin/fileserver -p 128 -b 512 -l 3072 -s 3072 -vc 3072 -cb 65536
> -busyat 1536 -rxpck 1024 -nojumbo

The number of threads seems to be more than appropriate for 50 clients.
It might be interesting to look at the output of "rxdebug <server> 7000"
during a build, especially the top, where it tells you about waiting calls
and idle threads.

Regards
Felix