Backups
- Backups are continous and point in time recovery
- Backups have retentions period 0-35 days, 0 means disabled
- Backups happens during maintanence windows
- Backups uses EBS snapshot behind the scenes? Snapshots
- Snapshots takes IO operation
- In multi az, snapshots will be done on the master databse
- Snapshots are incremental
- Snapshots can be copied and shared across accounts
- Don’t expire
- Final snapshot when DB is deleted
Snapshot Sharing
- If the snapshot is encrypted, the CMK has to be shared
Why have both? Both does the same thing? One is managed, another is manual and preemptive
