Kubernetes Backup and Migration Strategies with Velero
summary
Shows a hands-on recovery of a Ghost blog using Velero + rustic with backups stored in an S3 bucket, demonstrating AWS -> GKE migration. Backups capture CRs and PV snapshots; cross-cloud copies use restic-style file-level snapshots because cloud snapshot APIs are incompatible. A namespace backup with TTL one month completes in seconds, restores recreate pods and PVCs though existing configmaps can conflict. Demo succeeds end-to-end and recommends dedicated node pools for stateful sets.
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