Detecting swap usage by Ceph daemons

Detecting swap usage by Ceph daemons TL;DR: In good Ceph architectures we prefer daemons to be killed, instead of being swapped. This behaviour is much more predictable, detectable and usually informs you about where to fix the actual problem. We use this method to detect whether Ceph daemons are being swapped by the kernel. To […]

Deploying a Ceph cluster with cephadm

Cephadm deploys and manages a Ceph cluster. It does this by connecting the manager daemon to hosts via SSH. The manager daemon is able to add, remove, and update Ceph containers. In this blog I will provide you with a little more information about deploying a Ceph cluster using cephadm. Cephadm manages the full lifecycle of a […]