On Monday 21 January 2008 17:33:31 Harald van Pee wrote: > Hi, > > this is lustre 1.6.0.1 on redhat 4 update 4. > With debian etch patchless clients and debian kernels 2.6.18. > All are AMD64 bit. > We use 1 MGS, 1 MDT and 5 OSS with together 10 OST. > > The cluster is running since roughly 6 monthes, no problems on the server > side up to know! > The only problem on client side was, that two clients lost connection to > mdt or ost and after recovering some files can't be accessed on this > clients. After reboot of this clients everything was o.k.! > > But now we have a much more serious problem! It seems that it exists since > a couple of days, but we just have found out what the reason is! > A directory of one user with a couple of directories becomes temporarily > unavailable on some clients. > After a while one can access the directory again, but for me its not clear > what happens and it vanishes also after a while.
What does this mean in detail? Does access to the directory just hang or is the directory not there? > Reboot of the client does not change the situation. > > Now I have to ask for help, unfortunately its a production system and its > needed as soon as possible. An update is planned, but most likely not > realistic bevor middle of next month. > > What should I do next to solve or investigate the problem? Lustre writes lots of debug messages. For the beginning logs of a client would help. Cheers, Bernd -- Bernd Schubert Q-Leap Networks GmbH _______________________________________________ Lustre-discuss mailing list Lustre-discuss@lists.lustre.org http://lists.lustre.org/mailman/listinfo/lustre-discuss