[slurm-users] upgrading slurm to 20.11

[Paul Edmon]

I think it should be, but you should be able to run a test and find out.

-Paul Edmon-

On 5/17/22 12:13 PM, byron wrote:
> Sorry, I should have been clearer.   I understand that with regards to 
> slurmd / slurmctld you can skip a major release without impacting 
> running jobs etc.  My questions was about upgrading slurmdbd and 
> whether it was necessary to upgrade through the intermediate major 
> releases (which I know understand is necessary).
>
> Thanks
>
>
> On Tue, May 17, 2022 at 4:49 PM Paul Edmon <pedmon at cfa.harvard.edu> wrote:
>
>     The slurm docs say you can do two major releases at a time
>     (https://slurm.schedmd.com/quickstart_admin.html):
>
>     "Almost every new major release of Slurm (e.g. 20.02.x to 20.11.x)
>     involves changes to the state files with new data structures, new
>     options, etc. Slurm permits upgrades to a new major release from
>     the past two major releases, which happen every nine months (e.g.
>     20.02.x or 20.11.x to 21.08.x) without loss of jobs or other state
>     information."
>
>     As for old versions of slurm I think at this point you would need
>     to contact SchedMD.  I'm sure they have past releases they can
>     hand out if you are bootstrapping to a newer release.
>
>     -Paul Edmon-
>
>     On 5/17/22 11:42 AM, byron wrote:
>>     Thanks Brian for the speedy responce.
>>
>>     Am I not correct in thinking that if I just go from 19.05 to
>>     20.11 then there is the advantage that I can upgrade slurmd and
>>     slurmctld in one go and it won't affect the running jobs since
>>     upgrading to a new major release from the past two major releases
>>     doesn't affect the state information.  Or are you saying that in
>>     this case (19.05  direct to 21.08) there isn't any impact to
>>     running jobs either.  Or did you step through all the versions
>>     when upgrading slurmd and slurmctld also?
>>
>>     Also where do I get a copy of 20.2 from if schedMD aren't
>>     providing it as a download.
>>
>>     Thanks
>>
>>
>>
>>
>>     On Tue, May 17, 2022 at 4:05 PM Brian Andrus
>>     <toomuchit at gmail.com> wrote:
>>
>>         You need to step upgrade through major versions (not minor).
>>
>>         So 19.05=>20.x
>>
>>         I would highly recommend going to 21.08 while you are at it.
>>         I just did the same migration (although they started at 18.x)
>>         with no
>>         issues. Running jobs were not impacted and users didn't even
>>         notice.
>>
>>         Brian Andrus
>>
>>
>>         On 5/17/2022 7:35 AM, byron wrote:
>>         > Hi
>>         >
>>         > I'm looking at upgrading our install of slurm from 19.05 to
>>         20.11 in
>>         > responce to the recenty announced security vulnerabilities.
>>         >
>>         > I've been through the documentation / forums and have
>>         managed to find
>>         > the answers to most of my questions but am still unclear
>>         about the
>>         > following
>>         >
>>         >  - In upgrading the slurmdbd from 19.05 to 20.11 do I need
>>         to go
>>         > through all the versions (19.05 => 20.2 => 20.11)?  From
>>         reading the
>>         > forums it look as though it is necesary
>>         >
>>         https://groups.google.com/g/slurm-users/c/fftVPaHvTzQ/m/YTWo1mRjAwAJ
>>         >
>>         https://groups.google.com/g/slurm-users/c/kXtepX8-L7I/m/udwySA3bBQAJ
>>         >    However if that is the case it would seem strange that
>>         SchedMD have
>>         > removed 20.2 from the downloads page (I understand the
>>         reason is that
>>         > it contains the exploit) if it is still required for the
>>         upgrade.
>>         >
>>         > - We are running version 5.5.68 of the MariaDB, the version
>>         that comes
>>         > with centos7.9.   I've seen a few references to upgrading
>>         v5.5 but
>>         > they were in the context of upgrading from slurm 17 to 18. 
>>         I'm
>>         > wondering if its ok to stick with this version since we're
>>         already on
>>         > slurm 19.05.
>>         >
>>         > Any help much appreciated.
>>         >
>>         >
>>         >
>>         >
>>
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