[GE users] How to change the qmasterserver for some execution hosts?

wzlu wzlu at gate.sinica.edu.tw
Tue Nov 9 06:08:40 GMT 2010


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? 2010/11/3 ?? 06:00, reuti ??:
> Am 03.11.2010 um 03:00 schrieb wzlu:
>
>> Thanks for your reply
>>
>> ? 2010/11/2 ?? 06:39, reuti ??:
>>> Hi,
>>>
>>> Am 29.10.2010 um 06:47 schrieb wzlu:
>>>
>>>> I have 2 qmaster server to manage 2 queuing systems.
>>>> Now, I changed the qmaster for some execution hosts by following step.
>>>>
>>>> 1. change execution hosts IP address
>>>> 2. add admin host and execution host for those hosts.
>>>> 3. edit $SGE_ROOT/default/common/act_qmaster to change to new qmaster server
>>> so each machine has a private copy of the SGE configuration?
>> All the files and configuration files are installed on local disk for
>> each machine.
>>
>>>> 4. restart sgeexecd
>>>>
>>>> I got following message and sgeexecd did not start.
>>>> error resolving local host: can't resolve host name (h_errno = HOST_NOT_FOUND)
>>>> error resolving local host: can't resolve host name (h_errno = HOST_NOT_FOUND)
>>>>    starting sge_execd
>>>>
>>>> I also check gethostbyname and gethostbyaddr are correct.
>>>> And /etc/hosts and DNS are correct too.
>>> Both, I mean for the actual (new) qmaster and the machine on its own? Are they in the same subnet? /etc/hosts is also fine as /etc/nsswitch?
>>>
>>> -- Reuti
>>>
>> The machines and new qmaster are in different network.
> Then I wonder whether you would need to have SGE honoring the FQDN. What is in /usr/sge/default/common/bootstrap for:
>
> $ cat /usr/sge/default/common/bootstrap
> ...
> ignore_fqdn             true
>
> -- Reuti
>
The ignore_fqdn is false.
I also try to edit this file and change ignore_fqdn to true.
But it does not work.

Best Regards
>> Parts of the /etc/nsswitch is "hosts: files dns"
>>
>> My sge is 6.1 update 3.
>>
>> Thanks a lot.
>>
>> Best Regards,
>> Lu
>>
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