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Re: [HTCondor-users] Any compatibility issue upgrading individual daemons from 8.6.13 to latest?
- Date: Fri, 05 Feb 2021 17:11:47 +0000
- From: michael.v.pelletier@xxxxxxxxxxxx
- Subject: Re: [HTCondor-users] Any compatibility issue upgrading individual daemons from 8.6.13 to latest?
No compatibility issues whatsoever, provided your configuration is recognized. I remember running into some problems with changes in config syntax between 8.4 and 8.6, I think it was, but I don't seem to recall anything peculiar about taking an 8.6 config into an 8.8 machine.
That's the nice thing about the HTCondor ClassAd system - there's no schema, so no schema compatibility problems. Every time you update Slurm across a release you have to overhaul your SQL database. With ClassAd, anything that a machine doesn't recognize is simply ignored. I had, for a span of time, an 8.6 release on CentOS 6 (latest available for the obsolete OS) running in an 8.8 pool with no issues.
Michael V Pelletier
Digital Transormation & Innovation
From: HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> On Behalf Of jcaballero.hep@xxxxxxxxx
Sent: Friday, February 5, 2021 3:54 AM
To: HTCondor-Users Mail List <htcondor-users@xxxxxxxxxxx>
Subject: [External] [HTCondor-users] Any compatibility issue upgrading individual daemons from 8.6.13 to latest?
We have a setup where all daemons (Schedd, Startd, Central Manager) are running 8.6.13., and we would like to upgrade it to the latest stable version.
The upgrade will start, most probably, with the Startd's.
Therefore, I have two questions:
 Is there any non-backwards compatibility issue between the latest version and 8.6.13 we need to be aware of?
 Any problem running Schedd and Central Manager on 8.6.13 if the Startd's are running the latest version?
Thanks a lot in advance.
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