QuestionQ29

Plan and design HPE Storage solutions

A solution architect is determining the required capacity for an HPE Alletra Storage MP B10000. Customer requirements are:

  • 100 TB base volumes
  • 168 snapshots per week
  • 15% daily change rate

How much snapshot capacity is required after one week?

Explanation

Snapshot capacity is based on changed data rather than a full additional copy of every base volume. A 15% daily change rate for 100 TB produces 15 TB of changed data per day; over seven days, this requires 105 TB of snapshot capacity. HPE documents snapshot capacity as usable capacity consumed by snapshots at the system level.

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