nagios.cmd over nfs

[Sean McAvoy]

AFAIK,
You cannot use a FIFO (pipe) over NFS. The pipe refers to not a file  
but a kernel IPC method. So a FIFO created on the NFS server is known  
to the nfs server and not the client system.


On 22-Jan-08, at 1:11 PM, Brian A. Seklecki wrote:

> On Tue, 2008-01-22 at 13:09 -0500, Kyle O'Donnell wrote:
>> Hi,
>>
>> I've migrated the nagios web interface onto a different physical
>> server, nfs mounting the nagios directory from the actual nagios
>> server.
>>
>> Only snag I'm running into right now is trying to access the
>> nagios.cmd pipe over nfs.  When trying to schedule downtime, disable
>> notifications etc... the web interface just spins. I see cmd.cgi is
>> being executed, but nothing happens.
>
> Is NFS rpc.lockd running?  Try mount_nfs(8) with '-L'
>
>      -L      Do not forward fcntl(2) locks over the wire.  All  
> locks will be
>              local and not seen by the server and likewise not seen  
> by other
>              NFS clients.  This removes the need to run the rpcbind 
> (8) service
>              and the rpc.statd(8) and rpc.lockd(8) servers on the  
> client.
>              Note that this option will only be honored when  
> performing the
>              initial mount, it will be silently ignored if used  
> while updating
>              the mount options.
>
> ~BAS
>
>> Both servers have the same uid/gids for nagios, webserver is even
>> running as nagios user.
>>
>> I know a 'work-around' is to ssh+keys>nagios.cmd pipe, but this  
>> isn't an option.
>>
>> Any ideas?
>>
>> Kyle
>>
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>>
>>
>>
>>
>>
>>
> -- 
> Brian A. Seklecki <bseklecki at collaborativefusion.com>
> Collaborative Fusion, Inc.
>
>
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Sean McAvoy
NOC Team Lead
Afilias Canada

P. 416.673.4194





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