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Jon Peatfield wrote:
> On Fri, 18 May 2007, Miles O'Neal wrote:
>
>> We're getting "do_ypcall: clnt_call: RPC: Timed out"
>> errors.
>>
>
> Now we have some servers with Intel mboards with braindead BMC chipsets
> which eat all traffic to the IPMI ports. When anything happened to pick
> those ports it never gets an answer so will time out. We saw *lots* of
> this especially doing things which caused lots of yp requests -- until
> we tracked it down and caused things to avoid the IPMI ports.
>
>
Echoing what Jon Peatfield says, I have seen these errors on systems.
Can I ask if you have IPMI on these machines?
If that is so, I have a suggested fix.
Use sysctl to set sunrpc.min_resvport to 665
(IPMI cards use port 664 also)
To make the fix persist after a reboot, edit
/etc/sysctl.conf and add the lines:
sunrpc.max_resvport = 1023
sunrpc.min_resvport = 650
Please try this and let the list know if it fixes the problem.
--
John Hearns
Senior HPC Engineer
Streamline Computing,
The Innovation Centre, Warwick Technology Park,
Gallows Hill, Warwick CV34 6UW
Office: 01926 623130 Mobile: 07841 231235
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