[OpenAFS] Strange caching failures

[Russ Allbery]

Stephan Wonczak <a0033@rrz.uni-koeln.de> writes:

>   for the past few weeks, we are struck with a very weird behavior
> regarding cache updates of AFS clients. It looks like sometimes the
> callback does not work and one client is stuck with an older version of
> the file in question. Example:

>   Write to file 'foo' on client A every five minutes.
>   Clients B,C and D dutifully update their caches and see the updates
>   After some time, suddenly Client B dows not see the updates any more,
> while clients C and D continue working fine.

When this happens, does the write to the file on client A block for a few
seconds?

-- 
Russ Allbery (rra@stanford.edu)             <http://www.eyrie.org/~eagle/>