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04-22-2003 08:56 PM
04-22-2003 08:56 PM
This is the message i get on my mentorgraphics client application .We have mentor server and clients for users to access, this is a new setup and in testing phase.
The NFS connections are right we can access all the data exported from servers on this clients but sometimes i get the NFS server not responding messages and application does not start . If i check access to the nfs filesystems they show no problem of access.
What might be the problem isit related to NFS patching or mentor graphics application?.
In syslogs i see "NFS server not responding "and on next line "NFS server is ok"
Has anyone encountered such a problem?Any help?
Solved! Go to Solution.
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04-22-2003 09:09 PM
04-22-2003 09:09 PM
Re: NFS server not responding
Other thing is suddenly it starts working fine with no clue what made it work.
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04-22-2003 09:36 PM
04-22-2003 09:36 PM
Re: NFS server not responding
This is done in the /etc/rc.config.d/nfsconf file.
These are the entries that may need to be increased, e.g.
NUM_NFSD=16
NUM_NFSIOD=4
BIOD helps the reads, while NFSD helps the writes. Adding more BIOD does
nothing for you if you are writing your data to the NFS server. BIODs
help quite a bit on reads, depending on the number of processes and
users that do concurrent reads. 4 to 16 are typical numbers. You could
use 16 for NFSD, 4 for BIOD.
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04-22-2003 09:37 PM
04-22-2003 09:37 PM
Re: NFS server not responding
http://forums.itrc.hp.com/cm/QuestionAnswer/1,,0xae40ec08252fd611abd50090277a778c,00.html
It sounds like your problem is intermittent .. I do occasionally see in my /etc/dmesg output (of a couple of my servers) having the same error message but have not gotten around to troubleshoot it because it did not last very long. You would definately want to make sure you are uptodate on NFS patches.
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04-22-2003 09:38 PM
04-22-2003 09:38 PM
Re: NFS server not responding
This is done in the /etc/rc.config.d/nfsconf file.
These are the entries that may need to be increased, e.g.
NUM_NFSD=16
NUM_NFSIOD=4
BIOD helps the reads, while NFSD helps the writes. Adding more BIOD does
nothing for you if you are writing your data to the NFS server. BIODs
help quite a bit on reads, depending on the number of processes and
users that do concurrent reads. 4 to 16 are typical numbers. You could
use 16 for NFSD, 4 for BIOD.
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04-22-2003 09:39 PM
04-22-2003 09:39 PM
Re: NFS server not responding
This is done in the /etc/rc.config.d/nfsconf file.
These are the entries that may need to be increased, e.g.
NUM_NFSD=16
NUM_NFSIOD=4
BIOD helps the reads, while NFSD helps the writes. Adding more BIOD does
nothing for you if you are writing your data to the NFS server. BIODs
help quite a bit on reads, depending on the number of processes and
users that do concurrent reads. 4 to 16 are typical numbers. You could
use 16 for NFSD, 4 for BIOD.
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04-22-2003 09:41 PM
04-22-2003 09:41 PM
Re: NFS server not responding
This is done in the /etc/rc.config.d/nfsconf file.
These are the entries that may need to be increased, e.g.
NUM_NFSD=16
NUM_NFSIOD=4
BIOD helps the reads, while NFSD helps the writes. Adding more BIOD does
nothing for you if you are writing your data to the NFS server. BIODs
help quite a bit on reads, depending on the number of processes and
users that do concurrent reads. 4 to 16 are typical numbers. You could
use 16 for NFSD, 4 for BIOD.
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04-22-2003 09:46 PM
04-22-2003 09:46 PM
Re: NFS server not responding
This is done in the /etc/rc.config.d/nfsconf file.
These are the entries that may need to be increased, e.g.
NUM_NFSD=16
NUM_NFSIOD=4
BIOD helps the reads, while NFSD helps the writes. Adding more BIOD does
nothing for you if you are writing your data to the NFS server. BIODs
help quite a bit on reads, depending on the number of processes and
users that do concurrent reads. 4 to 16 are typical numbers. You could
use 16 for NFSD, 4 for BIOD.
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04-22-2003 10:49 PM
04-22-2003 10:49 PM
Re: NFS server not responding
nfsstat -rc
Client rpc:
calls badcalls retrans badxid timeout wait newcred
3768121 0 0 9 122 0 0
=> If timeout and retrans are high but badxid is close to zero, packets are
being dropped before they get to the NFS server.
Action
------
o Reduce values of wsize and rsize mount options to 4096 or 2048 on clients.
But how to change the rsize and wisze values and how to check their existing sizes?
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04-23-2003 12:35 AM
04-23-2003 12:35 AM
Re: NFS server not responding
A timeout value of 122 and a retrans value of 0 can hardly be called high ??? at least not both of them; probably no background for changing wsize and rsize.
Are you familiar with the attached trouble-shooting document?
http://www4.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000066581018
regards,
John K.
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04-23-2003 03:17 AM
04-23-2003 03:17 AM
Re: NFS server not responding
Here are my client values :
Client rpc:
Connection oriented:
calls badcalls badxids timeouts newcreds badverfs timers
0 0 0 0 0 0 0
cantconn nomem interrupts
0 0 0
Connectionless oriented:
calls badcalls retrans badxids timeouts waits newcreds
36401 100 367 0 444 0 0
badverfs timers toobig nomem cantsend bufulocks
0 60 0 0 0 0
I would like to know how to change wsize and rsize.
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04-23-2003 03:26 AM
04-23-2003 03:26 AM
Solutionthen try this document:
http://www4.itrc.hp.com/service/cki/docDisplay.do?docLocale=en_US&docId=200000062937497
regards,
John K.
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04-23-2003 03:36 AM
04-23-2003 03:36 AM
Re: NFS server not responding
I was not able to open this doc, can you help me to attach it .
Thanxs a lot
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04-23-2003 03:46 AM
04-23-2003 03:46 AM
Re: NFS server not responding
hope it is readable..
regards,
John K.
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04-23-2003 03:57 AM
04-23-2003 03:57 AM
Re: NFS server not responding
I was able to see it and seems to be working ... thats very use doc .
Thanxs a gain.
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04-23-2003 03:57 AM
04-23-2003 03:57 AM
Re: NFS server not responding
I was able to see it and seems to be working ... thats very useful doc .
Thanxs a gain.
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04-23-2003 03:57 AM
04-23-2003 03:57 AM
Re: NFS server not responding
I was able to see it and seems to be working ... thats very useful doc .
Thanxs a gain