From 78ea484a951894924fde1f37359c12b4f4179416 Mon Sep 17 00:00:00 2001
From: Pjotr Prins
Date: Mon, 13 Feb 2023 15:29:47 -0600
Subject: Work on octopus

---
 topics/systems/hpc/octopus-maintenance.gmi | 36 ++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 topics/systems/hpc/octopus-maintenance.gmi

(limited to 'topics')

diff --git a/topics/systems/hpc/octopus-maintenance.gmi b/topics/systems/hpc/octopus-maintenance.gmi
new file mode 100644
index 0000000..6f44433
--- /dev/null
+++ b/topics/systems/hpc/octopus-maintenance.gmi
@@ -0,0 +1,36 @@
+# Octopus Maintenance
+
+## Slurm
+
+Status of slurm
+
+```
+sinfo
+sinfo -R
+squeue
+```
+
+we have draining nodes, but no jobs running on them
+
+Reviving draining node (as root)
+
+```
+scontrol
+  update NodeName=octopus05 State=DOWN Reason="undraining"
+  update NodeName=octopus05 State=RESUME
+  show node octopus05
+```
+
+Kill time can lead to drain state
+
+```
+scontrol show config | grep kill
+UnkillableStepProgram   = (null)
+UnkillableStepTimeout   = 60 sec
+```
+
+check valid configuration with `slurmd -C` and update nodes with
+
+```
+scontrol reconfigure
+```
-- 
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