Installing Ceph with cephadm

Platform: Ubuntu 22.04 (Jammy)Deployment model: cephadm, multi-host, mixed SSD classes 1. Install prerequisites on all hosts Install base dependencies required by cephadm and Ceph daemons: Container runtime Cephadm requires a supported OCI container runtime.Podman is the recommended and well-tested runtime for Ceph Reef on Ubuntu 22.04. 2. Kernel and networking prerequisites Enable IPv4 forwarding (required … Read more

Preparing Servers for Ceph

Before deploying Ceph, it is essential to prepare the servers correctly at the hardware, BIOS, operating system, and networking layers. Many Ceph performance and stability issues originate from gaps at this stage. This post documents the preparation steps and design decisions used for my Ceph deployment. 1. BIOS Configuration All servers were first configured at … Read more