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тАО05-27-2009 12:30 AM
тАО05-27-2009 12:30 AM
NFS or swap problems
I have a problem with a HP-UX B.11.11.
Sometimes I have a error message:
"Pid XZY killed due to text modification or page I/O error". This happed once when I tried to initialize a SCSI disk and once with a program that was started from a NFS share.
Do I have problems with the swap space or is this a configuration error in the NFS client?
I runed xstm on the disks to check them for harware failures but it seems that they are OK.
Can somebody please help me ?
Regards,
Stefan
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тАО05-27-2009 12:35 AM
тАО05-27-2009 12:35 AM
Re: NFS or swap problems
it doesnt look swap issue, it should be your nfs share network issue.
but also need to cehck your nfs configuration.
what is swapinfo output, thanks,
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тАО05-27-2009 12:38 AM
тАО05-27-2009 12:38 AM
Re: NFS or swap problems
check this link :
http://forums13.itrc.hp.com/service/forums/questionanswer.do?admit=109447627+1243413425323+28353475&threadId=701754
maybe it helps you.
mikap
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тАО05-27-2009 12:39 AM
тАО05-27-2009 12:39 AM
Re: NFS or swap problems
Kb Kb Kb PCT START/ Kb
TYPE AVAIL USED FREE USED LIMIT RESERVE PRI NAME
dev 1048576 0 1048576 0% 0 - 1 /dev/vg00/lvol2
reserve - 266208 -266208
memory 356424 115944 240480 33%
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тАО05-27-2009 12:42 AM
тАО05-27-2009 12:42 AM
Re: NFS or swap problems
check dmesg + /var/adm/syslog/syslog.log if you have some errors regarding swap or NFS not responding.
mikap
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тАО05-27-2009 12:53 AM
тАО05-27-2009 12:53 AM
Re: NFS or swap problems
thanks for the link, I already read the tread - did not helped me. I checked also dmesg - seems fine. A few days ago I had big problems with nfs logged in /var/adm/syslog/syslog.log but now it seems there are ok (I changed in the NSSwitch the first source to local files and not NIS).
Now very rare I see mesages like:
May 25 16:58:53 HOSTxxx vmunix: NFS server (pid1109@/home) not responding still t
rying
May 25 16:59:07 HOSTxxx vmunix: NFS server (pid1109@/home) ok
Regards,
Stefan
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тАО05-27-2009 12:59 AM
тАО05-27-2009 12:59 AM
Re: NFS or swap problems
this messages are normal, if the NFS server is not available, so NFS should be ok, did you check a performance on the system with glance ?? or some your company monitoring, maybe the system was owerloaded, if our SAP team, dont care about performance we recieve lot of messages related to the SWAP ....
Deferred swap reservation failure pid: 15435
Its really very dificult to say, where s the problem, but the I/O error are mostly related to the HW problems.
mikap
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тАО05-27-2009 01:28 AM
тАО05-27-2009 01:28 AM
Re: NFS or swap problems
/usr/bin/rpcinfo -s
/usr/bin/nfsstat -m
eventually you found nothing makes sense from logs, you can try reboot nfs server.
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тАО05-27-2009 03:12 AM
тАО05-27-2009 03:12 AM
Re: NFS or swap problems
The nfsstat comand does not return anything.
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тАО05-27-2009 03:56 AM
тАО05-27-2009 03:56 AM
Re: NFS or swap problems
did you check the NFS server which are exporting the filesystems for your server ???
showmount -e hostname
if you have a network team ask them if some network error was happen during the time.
check if all filesystem are mounted.
mikap