A backup nobody has restored does not exist
The backup job finishes with a green status every night, and yet the restore can still fail. How to define what "we have a backup" means, and how to check it regularly.
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Backup and recovery
A backup is not the goal. The goal is restoring the environment within an agreed time and with an agreed data loss. I write about designing a backup strategy, about copies that survive ransomware, about restore tests as a routine part of operations, and about what else, beyond the data, is needed for a restore to be possible at all.
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All topicsActive Directory backup and forest recovery: the procedure nobody wants to rehearse
A snapshot of a domain controller's virtual machine is not a backup of the directory. Which Active Directory failure scenarios require what, and what a full forest recovery looks like when no working domain controller is left.
Backups in Kubernetes: what to protect when the cluster can be rebuilt from the repository
A GitOps-managed cluster can be rebuilt from scratch in an hour. That does not mean it needs no backups: it needs them for exactly the things the repository does not contain.