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Date: Fri, 22 Nov 2013 01:45:02 +0100
From: David Brown <david.brown@hesbynett.no>
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Subject: Re: Triple parity and beyond
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On 22/11/13 01:30, Stan Hoeppner wrote:

> I don't like it either.  It's a compromise.  But as RAID1/10 will soon
> be unusable due to URE probability during rebuild, I think it's a
> relatively good compromise for some users, some workloads.

An alternative is to move to 3-way raid1 mirrors rather than 2-way
mirrors.  Obviously you take another hit in disk space efficiency, but
reads will be faster than you have extra redundancy.