[slurm-users] upgrading slurm to 20.11
Paul Edmon
pedmon at cfa.harvard.edu
Tue May 17 16:29:16 UTC 2022
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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