Tag
backups
- Jul 14, 2026 Crash-Consistent and Application-Consistent Backups What a point-in-time image really contains, why journal replay only repairs the filesystem, and how to quiesce a running service without stopping it. devops
- Feb 17, 2026 Checksum Verification and Restore Drills Distinguishing repository integrity from data verification and from a real restore, how much sampling is statistically worth doing, and what no checksum can detect. devops
- Sep 24, 2022 Incremental Backup Chains and Restore Depth How changed-block tracking works, why deduplicated storage makes deletion expensive, and why restore time grows with the number of links in the chain. devops
- Jun 17, 2022 Key Escrow for Encrypted Backups How envelope encryption separates the key that protects data from the key that protects keys, why rotation is cheap until it is not, and how escrow can outlive the system it protects. devops