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Which of the following approaches provides the lowest cost for Amazon Elastic Block Store snapshots while givi

Which of the following approaches provides the lowest cost for Amazon Elastic Block Store snapshots while
giving you the ability to fully restore data?

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A.
Maintain two snapshots: the original snapshot and the latest incremental snapshot.

B.
Maintain a volume snapshot; subsequent snapshots will overwrite one another

C.
Maintain a single snapshot the latest snapshot is both Incremental and complete.

D.
Maintain the most current snapshot, archive the original and incremental to Amazon Glacier.

13 Comments on “Which of the following approaches provides the lowest cost for Amazon Elastic Block Store snapshots while givi

  1. Fun4two says:

    “If you make periodic snapshots of a volume, the snapshots are incremental so that only the blocks on the device that have changed after your last snapshot are saved in the new snapshot. Even though snapshots are saved incrementally, the snapshot deletion process is designed so that you need to retain only the most recent snapshot in order to restore the volume.”
    answer is c

    “When you delete a snapshot, only the data exclusive to that snapshot is removed. Deleting previous snapshots of a volume do not affect your ability to restore volumes from later snapshots of that volume.”

    In other words, it’s clever stuff. 🙂

    Making an initial snapshot, then later grabbing an incrimental snapshot, and deleting the previous snapshot would use least amount of storage in total, and still give you the ability to restore to the last snapshot made.

    If I’m reading it correctly, then the answer appears to be C. 🙂




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