Messages in this thread | | | From | Neil Brown <> | Date | Tue, 11 Apr 2006 20:41:10 +1000 | Subject | Re: NFSD stops working |
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On Tuesday April 11, pkoch@bgc-jena.mpg.de wrote: > Hi, > > we have a big problem with the nfsd. > > Our system is running SuSE SLES 9 SP2 (AMD64)on > 6 Sun X4100 (1 Opteron 275, 4GB RAM, 1 *QLA2340) > All machines are connect via SAN to a EMC CX700. > > Software installed SuSE SLES 9 SP2, kernel 2.6.5-7.191-smp > which is required for the GFS (Adic StorNEXT 2.6.1) > and also for EMC Powerpath to access the lun's.
Any chance of upgrading to SP3 ??
> > After 8 to 80h one (not allways the same) > of the NFS server is starting to increase > the load from 0 -> ~7.5. > The system is not exporting any file system. > The system can be accessed using ssh. > Files CAN be seen, created and delete on the machine > locally. > The nfsd can't not be stopped and taking all of the > cpu time. > The load is rather small. > Only solution is a hard reboot for the node. > > dmesg shows nothing, neither messages. > fuser will not work (hanging) > > a) How can I get more information ?
echo t > /proc/sysrq-trigger and collect the trace from /var/log/messages. That will show what each nfsd thread is doing.
Post that and I'll see if it helps.
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