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

reuti reuti at staff.uni-marburg.de
Wed Nov 3 10:00:44 GMT 2010


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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


> 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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