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Date: Tue, 17 Sep 2013 11:40:03 -0400
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Subject: Re: [gentoo-user] ZFS
References: <CAN0CFw1nGVZxJGGsq4TZidEPuyLDkcD0oYRDOOfNzFFM2vQ-tg@mail.gmail.com> <52382CA4.6090407@libertytrek.org> <CAN0CFw1jTNV4DZ21gTLHo9wCe=6LTkpXU92hpzhiw_Za3L=Ksw@mail.gmail.com> <523872B7.5040302@orlitzky.com>
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On 2013-09-17 11:18 AM, Michael Orlitzky <michael@orlitzky.com> wrote:
> Any controller that claims RAID10 on a server with 6 drive bays should
> be able to put all six drives in an array. But you'll get a three-way
> stripe (better performance) instead of a three-way mirror (better fault
> tolerance).
>
> So,
>
>    A B C
>    A B C
>
> and not,
>
>    A B
>    A B
>    A B
>
> The former gives you more space but slightly less fault tolerance than
> four drives with a hot spare.

Sorry, don't understand what you're saying.

Are you talking about the difference between RAID1+0 and RAID0+1?

If not, then please point to *authoritative* docs on what you mean.

Googling on just RAID10 doesn't confuse the issues like you seem to be 
doing (probably my ignorance though)...