nagios.cmd over nfs
Sean McAvoy
smcavoy at ca.afilias.info
Tue Jan 22 19:36:23 CET 2008
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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