Technical RaidZ information from the ZFS architect:

[brutalizer]

Here are some misconceptions, that one of the two main ZFS architects (Jeff Bonwick, Matt Ahrens), clears up:
http://blog.delphix.com/matt/2014/06/06/zfs-stripe-width/

EDIT: corrected bad english

 

[Jim G]

A really good read. Thanks for posting it!

 

[mjygvfesz]

thanks. been looking for an information guide