A bad helm delete wiped half our objects. You keep telling me we have backups: what comes back, and what doesn't?

Two artifacts hide under 'Kubernetes backup' and they recover different things. The misses are what decides whether a restore works: volume bytes, encryption keys, and everything that never lived in etcd at all.

Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.