Introduction

The smart write cache consists of the bcache kernel patch and related tools. It uses I/O passthrough, bcache QoS policy control, writeback policy control, and GC policy control to improve the bcache performance and the Ceph cluster performance ultimately.

Security Hardening

Pay attention to the vulnerabilities reported on the Ceph official website and Ceph GitHub, and fix the vulnerabilities as required.

Parent topic: Smart Write Cache Feature Guide