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A Company with a Multi-Node EMC Avamar Data Store Has

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A company with a multi-node EMC Avamar Data Store has experienced a catastrophic disk failure due to a RAID controller error on a storage node. Which fault tolerance feature provides protection against data corruption on that node?


Definitions:

Normal Population

A population in which the distribution of variables follows a normal (Gaussian) distribution, characterized by a symmetric bell-shaped curve.

Standard Error

A statistic that measures the dispersion of sample means around the population mean, indicative of the accuracy of the sample mean as a representation of the population mean.

Random Variable

A variable characterized by numerical outcomes derived from phenomena of chance.

Population Mean

The average value of a given characteristic across the entire population.

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