[slurm-users] dual slurmctld and slurmdbd

[Ole Holm Nielsen]

On 7/2/19 10:48 PM, Tina Fora wrote:
> We run mysql on a dedicated machine with slurmctld and slurmdbd running on
> another machine. Now I want to add another machine running slurmctld and
> slurmdbd and this machine with be on CentOS 7. Existing one is CentOS 6.
> Is this possible? Can I run two seperate slurmctld and slurmdbd point to
> the same slurm config and database?

You may want to read the statements from Tim Wickberg in slide 31 of the 
Slurm User Group presentation (https://slurm.schedmd.com/publications.html):

* Technical: Field Notes Mark 2: Random Musings From Under A New Hat, 
Tim Wickberg, SchedMD

Quote:

> the additional complexity of a redundant MySQL
> deployment is more likely to cause an outage than it is to
> prevent one.
> So don’t bother setting up a redundant slurmdbd, keep
> slurmdbd + MySQL local to a single server.

/Ole