[slurm-users] Reservation vs. Draining for Maintenance?

[Jason Simms]

Hello all,

Later this month, I will have to bring down, patch, and reboot all nodes in
our cluster for maintenance. The two options available to set nodes into a
maintenance mode seem to be either: 1) creating a system-wide reservation,
or 2) setting all nodes into a DRAIN state.

I'm not sure it really matters either way, but is there any preference one
way or the other? Any gotchas I should be aware of?

Warmest regards,
Jason

-- 
*Jason L. Simms, Ph.D., M.P.H.*
Manager of Research and High-Performance Computing
XSEDE Campus Champion
Lafayette College
Information Technology Services
710 Sullivan Rd | Easton, PA 18042
Office: 112 Skillman Library
p: (610) 330-5632
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