HP
HPE0-J68 · Question #198
A solution architect is sizing the required capacity for an HPE Alletra 9000. Customer requirements include: - 200TB base volumes - Regular snapshots being taken every hour with one-week retention…
The correct answer is B. 140TB. With a 10% daily change rate on 200 TB, you generate 20 TB of new data each day. Over seven days, hourly snapshots still only capture those daily changes incrementally, totaling 20 TB × 7 days = 140 TB of snapshot storage.
Position HPE Storage Solutions
Question
A solution architect is sizing the required capacity for an HPE Alletra 9000. Customer requirements include:
- 200TB base volumes
- Regular snapshots being taken every hour with one-week retention
- 10% daily change rate
How much capacity is needed for snapshots after one week?
Options
- A480TB
- B140TB
- C200TB
- D20TB
How the community answered
(39 responses)- A13% (5)
- B77% (30)
- C8% (3)
- D3% (1)
Explanation
With a 10% daily change rate on 200 TB, you generate 20 TB of new data each day. Over seven days, hourly snapshots still only capture those daily changes incrementally, totaling 20 TB × 7 days = 140 TB of snapshot storage.
Topics
#capacity planning#snapshot sizing#change rate calculation#Alletra 9000
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