The afs server threads servicing that client blocked and there was a race caught when the client tried making more of the same RPC while the previous one was still being serviced.
On 9/24/07, Frank Burkhardt <[EMAIL PROTECTED]> wrote: > > Hi, > > an afs client of mine does some cron job on a regular basis (once per 5 > minutes) which involves reading from and writing to a single afs volume. > > Every monday Morning ~ 7:30 the job failes with IO errors. Client logs > shows several "kernel: afs: failed to store file (5)" messages, FileLog > on the volumes Fileserver shows this: > > Mon Sep 24 07:33:30 2007 FindClient: stillborn client 8221900(1ef6f034); > conn 823f0d0 (host 10.0.54.228:7001) had client 8221c48(1ef6f034) > Mon Sep 24 07:33:30 2007 FindClient: stillborn client 82215b8(1ef6f03c); > conn 823fd80 (host 10.0.54.228:7001) had client 8221900(1ef6f03c) > Mon Sep 24 07:33:30 2007 FindClient: stillborn client 8220fd0(1ef6f028); > conn 823d0f0 (host 10.0.54.228:7001) had client 82215b8(1ef6f028) > > The fileservers is set to automatic restart at 01:45 the same day which > means, the job ran several times successfully before it failed after the > restart. Restart times of my DB-servers are set to sunday morning. > > I checked the network - client and server are connected via a single > switch > which is managed and doesn't show any log entry for at least 1 hour around > the event. I can also rule out other cron jobs on client and server - none > of them runs near 07:30 . > > The only timely related event is one of our NFS-servers's restart which is > done on a regular basis. The NFS server returned seconds before the > afs-failure: > > Sep 24 06:09:06 hagen kernel: nfs: server helena not responding, still > trying > [...] > Sep 24 07:33:27 hagen kernel: nfs: server helena OK > Sep 24 07:33:33 hagen kernel: afs: failed to store file (5) > > What do the logentries on the AFS server mean? Does anyone have an idea, > where to look for the cause of the problem? > > Regards, > > Frank > _______________________________________________ > OpenAFS-info mailing list > [email protected] > https://lists.openafs.org/mailman/listinfo/openafs-info >
