[GRLUG] RAID levels

[Adam Tauno Williams]

On Fri, 2011-09-30 at 18:55 -0400, Richard Nienhuis wrote:
> Performance issues are going to be inconsequential for a machine
> playing  music.  In degraded mode there is probably still enough
> performance.  Also hot spare isn't going to spare you from the time to
> rebuild the array.

????   I just can't express in words how strongly, completely,
absolutely, and utterly I disagree with the statement: "Hot spare isn't
going to spare you from the time to rebuild the array."

That is like saying ice is hot and water is dry.

A hot spare means - Rebuilding the array actually starts!!!!

The sooner it starts the sooner it is complete and the redundancy
underlying the data is restored.  A RAID solution without a hot spare is
a sports car with only three tires.



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