[GE users] qlicserver to manage multiple servers

igardais ionel.gardais at tech-advantage.com
Fri Nov 7 14:15:51 GMT 2008

Hi Mark,

I've been through the Configuration wiki page.
I misinterpreted the LM_LICENSE_FILE param (@serv1:@serv2) as the 
FlexLM's redundant-servers internal feature.

My need is that I run multiple FlexLM servers, each serving different 
Based on the Configuration page, revising my inital wrong judgment, I 
added my own servers :
<param name="LM_LICENSE_FILE">@saturne:@orion</param>
with resources from both servers (some features are provided by one 
server, some by the other).
A dry run shows that served features were correctly retrieved from both. 
Thanks for this.

The idea I initially had in mind was a configuration file like :
       <!-- params and resources from FlexLM server #1 -->
       <!-- params and resources from FlexLM server #2 -->
       <!-- params and resources from FlexLM server #n -->

This way, people using the "3-redundant-server" scheme could reference 
them all under the LM_LICENSE_FILE param, using them as "try the next 
server from LM_LICENSE_FILE if the current does not respond to request".

Well, this is just a thought ...


Olesen, Mark wrote:
> Hi Ionel,
>> I'm playing around with Olesen-Flexlm integration.
>> First, congrats for the job !
>> Is there a way to declare multiple flexlm servers inside a unique XML
>> configuration file ?
>> Thanks to the XML, could something like multiple <qlicserver> tags be
>> nested inside a <qlicservers> tag to manage this ?
>> If not, is the only solution to run multiple qlicserver daemon for
>> each Flexlm server ?
> If you haven't already done so, you should take a look at the wiki info:
> http://wiki.gridengine.info/wiki/index.php/Olesen-FLEXlm-Configuration
> I need more information about what exactly you are trying to achieve.
> Normally you should just specify the LM_LICENSE_FILE env variable, or
> the same thing within the config file. The queries are bundled per
> server and the queries are threaded.
> With the current version (1.44 I think), there is a slight bug with the
> server grouping. I was too aggressive about bundling the names and
> simply stripped off the domain-name: ie, serv1.domain.name and serv1
> would get lumped together.  This turns out to be a really bad idea if
> you have the several servers and used the IP address.  I think there
> must be a patch floating about the list (several months ago), but it's
> patched in my personal version - which will be released as soon as I get
> 6.2 installed and fully tested.
> /mark
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