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What are the Dell EMC midrange storage offerings for capacity efficiency?
What are the Dell EMC midrange storage offerings for capacity efficiency?
A . Unity: Compression and Post-Process DeduplicationSC Series: Inline Compression
B . Unity: Intelligent Compression and DeduplicationSC Series: Inline Compression and Deduplication
C . Unity: Post-Process Compression and DeduplicationSC Series: Inline Compression and Deduplication
D . Unity: Compression for BlockSC Series: Intelligent Compression and Deduplication
Answer: C
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Correct answer is D. Unity: Compression for BlockSC Series: Intelligent Compression and Deduplication
https://i.dell.com/sites/csdocuments/Shared-Content_data-Sheets_Documents/en/FB_SC_Series_Dedup_Compression.pdf
Dell Storage Center’s implementation of deduplication
uses flash in the array for metadata. All writes are written
to RAID 10. Once a snapshot of the data is taken, the
data reduction algorithms process the data. This uses a
similar process as other vendors that claim to provide
inline deduplication by accepting data into a high-speed,
non-volatile buffer and running a deduplication algorithm
against it prior to writing the data to disk.
Unity offers compression functionality for storage space efficiency by reducing the amount of physical storage required to store datasets. The technology supports compression on thin Block and File storage resources created from All Flash pools (AFP) . Compression is supported on physical hardware only. For Hybrid arrays, the functionality is only supported on All Flash pools with no additional licenses required. Unity does compression for file and block
With the release of SCOS 7.0, the SC Series now reduces the overall cost of capacity by introducing intelligent deduplication and intelligent compression.