Ceph getting acquainted
(#ceph ) 2016-01-20
The two key components:
Ceph OSDs: A Ceph OSD Daemon (Ceph OSD) stores data, handles data replication, recovery, backfilling, rebalancing, and provides some monitoring information to Ceph Monitors by checking other Ceph OSD Daemons for a heartbeat. A Ceph Storage Cluster requires at least two Ceph OSD Daemons to achieve an active + clean state when the cluster makes two copies of your data (Ceph makes 3 copies by default, but you can adjust it).
Ceph 1st Runthrough
(#ceph ) 2016-01-13
title: Ceph 1st Runthrough author: ytjohn date: 2017-04-30 21:42:52
layout: post permalink: https://new.yourtech.us/?p=34
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.
Installation Following this guide http://docs.ceph.com/docs/hammer/start/quick-ceph-deploy/
I set this up the first time in the lab, nodes: