> Yes, but it's irritating. Ideally, I'd like my OSD IDs and hostnames to track 
> so that if a server going pong I can find it and fix it ASAP

`ceph osd tree down` etc. (including alertmanager rules and Grafana panels) 
arguably make that faster and easier than everyone having to memorize OSD 
numbers, especially as the clusters grow.

> But it doesn't take much maintenance to break that scheme and the only thing 
> more painful than renaming a Ceph host is re-numbering an OSD.

Yep!

>> My advice: Do not try to manually number your OSDs.

This.  I’ve been there myself, but it’s truly a sisyphean goal.  

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