When reviewing the actual protection output of N+4/2, what does the number "4" represent?

The correct answer is A. FEC stripe units per stripe. It's OneFS FEC protection nomenclature for our "hybrid" protection polices. More generally, it's where "N" is the number of data stripe units in a stripe, "M" is the number of FEC stripe units in a stripe, and "b" is the number of stripe units in a stripe which are allowed to…

PowerMax/VMAX Concepts and Architecture

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Options

AFEC stripe units per stripe
BHard drives used per stripe
CVolume stripes per file system
DFEC stripe units per file system

How the community answered

(36 responses)

A
81% (29)
B
6% (2)
C
3% (1)
D
11% (4)

Explanation

It's OneFS FEC protection nomenclature for our "hybrid" protection polices. More generally, it's where "N" is the number of data stripe units in a stripe, "M" is the number of FEC stripe units in a stripe, and "b" is the number of stripe units in a stripe which are allowed to reside on the same

Topics

#FEC stripe units#N+4/2 protection#parity notation#data protection

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