On Jan 14, 2010, at 11:09 AM, Mr. T Doodle wrote:

> I am considering RAIDZ or a 2-way mirror with a spare.
> 
> I have 6 disks and would like the best possible performance and reliability 
> and not really concerned with disk space.
> 
> My thought was a 2 disk 2-way mirror with a spare.
> 
> Would this be the best in terms of performance?

A six-way mirror will give you the best read performance and data 
retention :-)  You can trade data retention for write performance
by a stripe of 2, 3-way mirrors or 3, 2-way mirrors.
 -- richard

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