[OpenAFS] Strange caching failures

2013-02-28 Thread Stephan Wonczak
Hi all! 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

Re: [OpenAFS] Strange caching failures

2013-02-28 Thread Derrick Brashear
start with FileLog on the fileserver and see what errors for B (or D or...) at around the time it breaks. Derrick On Feb 28, 2013, at 9:39, Stephan Wonczak a0...@rrz.uni-koeln.de wrote: Hi all! for the past few weeks, we are struck with a very weird behavior regarding cache updates of

Re: [OpenAFS] Strange caching failures

2013-02-28 Thread Stephan Wonczak
Hi Derrick! On Thu, 28 Feb 2013, Derrick Brashear wrote: start with FileLog on the fileserver and see what errors for B (or D or...) at around the time it breaks. Unfortunately nothing jumps out. A colleague managed to pinpoint a failure to a period of five minutes, but nothing was

Re: [OpenAFS] Strange caching failures

2013-02-28 Thread Russ Allbery
Stephan Wonczak a0...@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: