[gridengine users] Migrating from sge 6.2u5 to 8.1.7

Reuti reuti at staff.uni-marburg.de
Mon Sep 22 10:17:17 UTC 2014


Am 18.09.2014 um 22:39 schrieb bergman at merctech.com:

> In the message dated: Thu, 18 Sep 2014 18:58:02 -0000,
> The pithy ruminations from "MacMullan, Hugh" on 
> <Re: [gridengine users] Migrating from sge 6.2u5 to 8.1.7> were:
> => Hi Norbert:
> => 
> => As Reuti says here: http://gridengine.org/pipermail/users/2012-October/004927.html
> => 
> => There are scripts to save and load the actual configuration to text files:
> => 
> 
> Having recently upgraded from 6.2u5 to 8.1.6, I have some observations that
> may be helpful.
> 
> => $ ls /usr/sge/util/upgrade_modules
> => inst_upgrade.sh  load_sge_config.sh  save_sge_config.sh
> => 
> 
> SGE 8.1.x requires some parameters that do not exist in 6.2u5.  For us,
> the issue was that the field "qsort_args" is required in PE defintions
> under 8.1.x, but is not present in 6.2u5, so loading the previous
> configurations failed to create the PEs under the new version. There
> may be other required values with similar issues.
> 
> You may need to run "load_sge_config.sh" multiple times due to the order
> of operations.

Yep. For several settings you need to parse the input at least twice in case the definitions are used two-way too.

-- Reuti


> For example, the script may attempt to set the parameters
> of a queue parameters before creating the queue, causing an error on
> the first execution, then success the second time load_sge_config.sh is run. 
> 
> The output of 'qhost' is different -- 8.1.x adds 'NSOC' and 'NCOR'
> fields, so programs that parse qhost may need alteration.
> 
> Mark
> 
> => We've used these a few times over the years to good effect.
> => 
> => Good luck with the upgrade!
> => 
> => Cheers,
> => -Hugh
> => 
> 
> 
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