What is the maximum size of a compression group?

The correct answer is C. 32 KB. The maximum size of a compression group in NetApp ONTAP is 32 KB, which is the unit of data that ONTAP attempts to compress.

Storage Provisioning and Management

Question

Options

A8 KB
B4 KB
C32 KB
D64 KB

How the community answered

(44 responses)

A
7% (3)
B
2% (1)
C
89% (39)
D
2% (1)

Why each option

The maximum size of a compression group in NetApp ONTAP is 32 KB, which is the unit of data that ONTAP attempts to compress.

A8 KB

8 KB is a common block size for data but not the maximum compression group size in NetApp ONTAP.

B4 KB

4 KB is a common block size for filesystems and disks but not the maximum compression group size in NetApp ONTAP.

C32 KBCorrect

In NetApp ONTAP, the maximum size of a compression group is 32 KB. Data is broken into 32 KB blocks, and these blocks are individually evaluated for compression, forming the unit for both inline and post-process compression operations.

D64 KB

64 KB is larger than the maximum compression group size supported by NetApp ONTAP for compression groups.

Concept tested: NetApp ONTAP compression group size

Source: https://docs.netapp.com/us-en/ontap/flexvol/compression-how-it-works-concept.html

Topics

#data compression#compression group size#storage efficiency

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