[torqueusers] Host key verification failed.

Haavard Bjerke havard.bjerke at cern.ch
Tue Apr 4 06:57:27 MDT 2006


Thanks! Indeed I didn't try using the FQDN. It's working now.

Havard

Peter Praxmarer wrote:
> I doubt you can ssh from the client node to 'host3.cern.ch' (FQDN is 
> important). This might be due to the fact that your 'ssh_known_hosts' 
> file does not contain an entry for the FQDN.
> 
> You probably also want to examine the use of the '$usecp' flag in 
> pbs_mom's config file in case your homedirectories are mounted with NFS 
> throughout the whole cluster.
> 
> http://www.clusterresources.com/products/torque/docs/a.cmomconfig.shtml
> 
> HTH,
> Peter
> 
> Haavard Bjerke wrote:
> 
>> Jobs aren't exiting properly because the client node isn't able to 
>> copy the result back to the server node with scp.
>>
>> I have two nodes. The server node is host3 and the client node is 
>> host13-3. Manually, I can ssh without password authentication these ways:
>>
>> root at host3 -> root at host13-3
>> root at host3 -> user at host13-3
>> user at host3 -> user at host13-3
>> root at host13-3 -> user at host3
>> root at host13-3 -> root at host3
>> user at host13-3 -> user at host3
>>
>> Still, I get the following error:
>>
>> Unable to copy file /usr/spool/PBS/spool/110.host.OU to
>> +user at host3.cern.ch:/home/user/STDIN.o110
>>  >>> error from copy
>> Host key verification failed.
>> lost connection
>>  >>> end error output
>>
>> This is debug output from pbs_mom on host13-3:
>>
>> pbs_mom: sys_copy, command '/usr/bin/scp -Brp 
>> /usr/spool/PBS/spool/111.host.OU 
>> user at host3.cern.ch:/home/user/STDIN.o111' failed with status=1, giving 
>> up after 4 attempts
>>
>> Any help would be appreciated
>>
>> -- 
>> Havard
>> CERN Openlab
>> _______________________________________________
>> torqueusers mailing list
>> torqueusers at supercluster.org
>> http://www.supercluster.org/mailman/listinfo/torqueusers
> 
> 



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