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тАО09-24-2010 01:11 AM
тАО09-24-2010 01:11 AM
Strange NFS problem
We have a strange NFS problem in our environment.
We have 3 filesystems exported on the server to several clients.
We dont seem to have any issues mounting these 3 filesystems on all but one client.
On this troublesome client we seem to have issues mounting all 3 filesystems. We get problems with any of these 3 filesystems.
When we try to mount these filesystems we get "Permission denied" message or we get I/O error.
When I look in the syslog on the server side, we see the following entry
Sep 24 09:45:29 sn4730a mountd[4570]: @┬й├Р denied access to /FS12/no_backup/vol6.
Notice the hostname of the client @┬й├Р.
The hostname however is sn463k3.
We are trying to use DNS and do not have the hostnames in the /etc/hosts file.
The hostname is resolved properly using DNS lookup. Reverse lookup also works fine.
Thanks in advance for all your valuable suggestions.
Regards
Kaushik
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тАО09-24-2010 01:22 AM
тАО09-24-2010 01:22 AM
Re: Strange NFS problem
How about the client side? Do you also get some messages there?
Best regards
Horia.
Horia.
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тАО09-24-2010 01:28 AM
тАО09-24-2010 01:28 AM
Re: Strange NFS problem
Sep 24 09:46:41 sn463k3 vmunix: NFS access failed for server hpcnfs12: RPC: Authentication error
Sep 24 09:57:03 sn463k3 above message repeats 2 times
Regards
Kaushik
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тАО09-24-2010 01:38 AM
тАО09-24-2010 01:38 AM
Re: Strange NFS problem
Best regards
Horia
Horia.
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тАО09-24-2010 01:53 AM
тАО09-24-2010 01:53 AM
Re: Strange NFS problem
The /etc/netgroup file has sn463k3.
batch_farm (sn463k4,,) (sn463k3,,) (sn463k2,,) (sn463k1,,) (sn463k0,,) (sn463jy,,)
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тАО09-24-2010 02:06 AM
тАО09-24-2010 02:06 AM
Re: Strange NFS problem
cat /etc/exports
Best regards
Horia.
Horia.
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тАО09-24-2010 03:17 AM
тАО09-24-2010 03:17 AM
Re: Strange NFS problem
The filesystems are exported by a script.
They are part of a serviceguard package.
Every time the package is started, the filesystems are exported using the share command.
Regards
Kaushik
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тАО09-24-2010 04:04 AM
тАО09-24-2010 04:04 AM
Re: Strange NFS problem
They are part of a serviceguard package.
Every time the package is started, the filesystems are exported using the share command.
So you are only exporting the file systems when the package is started? Do you stop the NFS server/unshare those in the event of package moving on another node from the cluster?
Can you post here the script (At least the relevant commands)
Best regards,
Horia.
Horia.
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тАО09-24-2010 03:28 PM
тАО09-24-2010 03:28 PM
Re: Strange NFS problem
Dave
[Any personal opinions expressed are mine, and not official statements on behalf of Hewlett Packard Enterprise]
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тАО09-25-2010 01:51 PM
тАО09-25-2010 01:51 PM
Re: Strange NFS problem
Sorry for being casual have you checked this link ..
http://docs.hp.com/en/B1031-90043/ch07s01.html
Search for "Permissioin Denied"
Best Regards,
Prashanth