Re: [slurm-users] srun: error: io_init_msg_unpack: unpack error

2022-08-06 Thread Chris Samuel
On 6/8/22 10:43 am, David Magda wrote: It seems that the the new srun(1) cannot talk to the old slurmd(8). Is this 'on purpose'? Does the backwards compatibility of the protocol not extend to srun(1)? That's expected, what you're hoping for here is forward compatibility. Newer daemons know

[slurm-users] srun: error: io_init_msg_unpack: unpack error

2022-08-06 Thread David Magda
Hello, We are testing the upgrade process with going from 20.11.9 to 22.05.2. The master server is running 22.05.2 slurmctld/slurmdbd, and the compute nodes are (currently) running slurm-20.11.9 slurmd. We are running this 'mixed environment' because our production cluster has a reasonable numb