From 767d7df67ab5ca59b1651667ad8cb2c0c4dcaf7b Mon Sep 17 00:00:00 2001
From: Zen Fu <zen@systemli.org>
Date: Tue, 22 Oct 2024 16:52:20 -0300
Subject: [PATCH] Document how choose nodes for new Ganeti instances
---
howto/ganeti.md | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/howto/ganeti.md b/howto/ganeti.md
index fc8fbb65..24137933 100644
--- a/howto/ganeti.md
+++ b/howto/ganeti.md
@@ -111,6 +111,12 @@ Then follow [howto/new-machine](howto/new-machine).
This situation is covered by [ticket 33785](https://bugs.torproject.org/33785). If this problem
occurs, it might be worth [rebalancing the cluster](#rebalancing-a-cluster).
+ The following dashboards can help you choose the less busy nodes to use:
+
+ - CPU usage: [gnt-dal](https://grafana.torproject.org/d/gex9eLcWz/cpu-usage?orgId=1&refresh=1m&var-class=role::ganeti::dal&var-node=All&var-show_cpu_count=or), [gnt-fsn](https://grafana.torproject.org/d/gex9eLcWz/cpu-usage?orgId=1&refresh=1m&var-class=role::ganeti::fsn&var-node=All&var-show_cpu_count=or)
+ - Memory usage: [gnt-dal](https://grafana.torproject.org/d/amgrk2Qnk/memory-usage?from=now-24h&to=now&var-class=role::ganeti::dal&var-node=All&var-show_cpu_count=or&orgId=1&refresh=1m), [gnt-fsn](https://grafana.torproject.org/d/amgrk2Qnk/memory-usage?from=now-24h&to=now&var-class=role::ganeti::fsn&var-node=All&var-show_cpu_count=or&orgId=1&refresh=1m)
+ - LVM Disk usage: [gnt-dal](https://grafana.torproject.org/d/f7887271-1a77-4138-ad16-28be8b0ad0ab/lvm-disk-usage?orgId=1&var-class=role::ganeti::dal&var-vg_name=All&var-instance=All), [gnt-fsn](https://grafana.torproject.org/d/f7887271-1a77-4138-ad16-28be8b0ad0ab/lvm-disk-usage?orgId=1&var-class=role%3A%3Aganeti%3A%3Afsn&var-vg_name=All&var-instance=All)
+
* **ping failure**: there is a bug in `ganeti-instance-debootstrap`
which misconfigures `ping` (among other things), see [bug
31781](https://bugs.torproject.org/31781). It's currently patched in our version of the Debian
--
GitLab