I've started the process of switching my lab over from unmanaged to ansible. I've used Puppet and Salt quite extensively through work, but after a handful of false starts with the lab, I think ansible is the way to go.g his is a series of what many (including myself) would consider "worst practices", but are more along the lines of "rapid iteration". The goal here is to get something working in a short period of time, without spending hours, days, or weeks researching best practices. This is instead something someone can put together on a Sunday afternoon, in between chasing after a 3 year old.
The two key components:
These are just some notes I took as I did my first run through on installing Ceph on some spare ECS Hardware I had access to. Note that currently, no one would actually recommend doing this, but it was a good way for me to get started with Ceph.
hstore is an option key=>value column type that's been around in postgresql for a long time. I was looking at it for a project where I want to compare "new data" to old, so I can approve it. There is a
hstore-hstore option that compares two hstore collections and shows the differences.
This is a narrative post. If you want to see my python program that calculates out the diode matrix, skip to the end or click here,