At what granularity are blocks deduplicated on a Dell EMC PowerStore array?

At what granularity are blocks deduplicated on a Dell EMC PowerStore array?
A . 4 KB
B . 8 KB
C . 32 KB
D . 64 KB

View Answer

Answer: A

Explanation:

https://www.delltechnologies.com/resources/en-us/asset/white-papers/products/storage/h18151-dell-emc-powerstore-data-efficiencies.pdf

Deduplication uses algorithms to analyze, perform pattern detection, and attempts to store only a single instance of data. In general deduplication can work at the block, bit-level, or file level. In PowerStore, deduplication works at the block level at 4 KB granularity.