[slurm-users] Unsupported RPC version by slurmctld 19.05.3 from client slurmd 22.05.11

[ivgeokig via slurm-users]

Hello!

 

 

    I have a question. I have the server 19.05.3. No chance to upgrade it.   Have I any chance to connect new client 22.05.11?

 

   Here is log from server:

 

[2024-06-14T15:20:40.345] debug:  Unsupported RPC version 9728 msg type 0(0)

[2024-06-14T15:20:40.345] error: g_slurm_auth_unpack: remote plugin_id 12340565 not found

[2024-06-14T15:20:40.345] error: slurm_unpack_received_msg: Invalid Protocol Version 9728 from uid=-1 at 10.82.0.6:52170

[2024-06-14T15:20:40.345] error: slurm_unpack_received_msg: Incompatible versions of client and server code

[2024-06-14T15:20:40.355] error: slurm_receive_msg [10.82.0.6:52170]: Unspecified error

 

Regards,

Oleg

 

[Paul Edmon via slurm-users]

https://slurm.schedmd.com/upgrades.html#compatibility_window

Looks like no. You have to be with in 2 major releases.

-Paul Edmon-

[Bjørn-Helge Mevik via slurm-users]

Paul Edmon via slurm-users <slurm...@lists.schedmd.com> writes:

> https://slurm.schedmd.com/upgrades.html#compatibility_window
>
> Looks like no. You have to be with in 2 major releases.

Also, server must be newer than client.

--
B/H

[Christopher Samuel via slurm-users]

On 6/17/24 7:24 am, Bjørn-Helge Mevik via slurm-users wrote:

> Also, server must be newer than client.

This is the major issue for the OP - the version rule is:

slurmdbd >= slurmctld >= slurmd and clients

and no more than the permitted skew in versions.

Plus, of course, you have to deal with config file compatibility issues
between versions.

All the best,
Chris
--
Chris Samuel : http://www.csamuel.org/ : Berkeley, CA, USA

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[Ryan Novosielski via slurm-users]

The benefits are pretty limited if you don’t have the server upgraded anyway, unless you’re just saying it’s easier to install a current client.

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