NCA-5.15 · Question #53
Which Deduplication technique could be used to increase the effective storage capacity of a cluster?
The correct answer is D. Post-process deduplication. Post-process (or offline) deduplication scans data that has already been written to the capacity tier and removes redundant data blocks after the fact, freeing up storage space and thereby increasing effective capacity. Nutanix supports post-process deduplication specifically…
Question
Which Deduplication technique could be used to increase the effective storage capacity of a cluster?
Options
- AThin deduplication
- Binline deduplication
- CNear-line deduplication
- DPost-process deduplication
How the community answered
(22 responses)- B5% (1)
- C5% (1)
- D91% (20)
Explanation
Post-process (or offline) deduplication scans data that has already been written to the capacity tier and removes redundant data blocks after the fact, freeing up storage space and thereby increasing effective capacity. Nutanix supports post-process deduplication specifically on the capacity (cold storage) tier. Inline deduplication (B) works at write time, which reduces storage use but adds latency to the write path and is better suited for performance-sensitive workloads. 'Thin deduplication' (A) and 'Near-line deduplication' (C) are not standard Nutanix terminology for a supported deduplication method.
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