Interesting questions. You're right, raid6 will use more space, and have slightly less performance than raid5 at the benefit of greater redundancy.
What is better for me, or someone else is not necessarily what is best for you. You should consider what kind of data you will be storing on the Nearline and the determine if its a better fit fiscally and performance wise for R5 or R6.
_________________ Richard Siemers The views and opinions expressed are my own and do not necessarily reflect those of my employer.
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