velero: implement three-tier backup retention policy

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Replace single daily schedule (240h TTL) with three tiered schedules:
- daily-backup:   02:00 nightly,  192h TTL  → keeps last 7 daily backups
- weekly-backup:  03:00 Sundays, 1032h TTL  → keeps last 6 weekly backups
- monthly-backup: 04:00 on 1st,  4392h TTL  → keeps last 6 monthly backups

Kopia handles incremental deduplication at the block level automatically,
so each Velero backup only stores changed data despite being a full logical
snapshot. No additional incremental configuration required.

Update README with retention policy table and updated backup commands.

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This commit is contained in:

Moritz Graf

2026-07-01 17:28:11 +02:00

parent 15e802bebc

commit e64aa64c73

2 changed files with 19 additions and 0 deletions

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k8s/velero/velero.secret.yaml

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