tag

#device-mapper

2 posts

LinuxDeep Dive October 4, 2026 11 min read

Linux dm-integrity: Journal, Bitmap, and Authenticated Storage Trade-offs

Use Linux dm-integrity deliberately: choose journal or bitmap semantics, distinguish corruption detection from authentication, and plan recovery safely.

#linux#device-mapper#storage

LinuxDeep Dive October 4, 2026 7 min read

Linux dm-thin Pools: Data, Metadata, Exhaustion, and Safe Recovery

Operate device-mapper thin pools by tracking data and metadata separately, planning overcommit, and distinguishing queue, error, and repair states.

#linux#device-mapper#storage