What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6-node Isilon cluster?

Name: What is the overhead impact on the physical capacity when configuring data protection at +2:1 on a 6-node Isilon cluster?
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Quizplus · Accepted Answer

The +2:1 protection level means that two additional parity blocks are used for every data block, which translates to an overhead of 1/5 of the total capacity in a 6-node Isilon cluster.

What Is the Overhead Impact on the Physical Capacity When