raidz/2 stripe widths

[Joshua Boyd]

http://blogs.sun.com/ahl/entry/double_parity_raid_z

Looks like raidz2 is recommended for better protection against failures than
2 stripes.

On Tue, Feb 16, 2010 at 2:47 PM, Peter C. Lai <peter at simons-rock.edu> wrote:

> Which one might be "better" on pool that will consist of 6 disks:
>
> 6x raidz2
>
> or
>
> 2 stripes of 3 disks in raidz?
>
> It should provide slightly less reliability (still allows for 2 disks to be
> off the array at a time) but the latter should improve reads since a given
> read only has to touch 3 spindles at a time instead of 5?
> --
> ===========================================================
> Peter C. Lai                 | Bard College at Simon's Rock
> Systems Administrator        | 84 Alford Rd.
> Information Technology Svcs. | Gt. Barrington, MA 01230 USA
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-- 
Joshua Boyd
JBipNet

E-mail: boydjd at jbip.net

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