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Date: Tue, 9 Aug 2011 07:12:20 -0700
From: Jeremy Chadwick <freebsd@jdc.parodius.com>
To: "Vladislav V. Prodan" <universite@ukr.net>
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Cc: freebsd-fs@freebsd.org
Subject: Re: zfs mirror reads only on one disk
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On Tue, Aug 09, 2011 at 05:05:36PM +0300, Vladislav V. Prodan wrote:
> 09.08.2011 16:52, Jeremy Chadwick wrote:
> >Since I have a ZFS mirror setup I can test this.  Let's take a look:
> >
> >ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
> 
> Maybe it lies in the differences between the drivers ad and ada?

ZFS would have to have code in it that differentiated between the two.
A vdev is a vdev, so I don't see how this is a plausible explanation.

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                   Mountain View, CA, US |
| Making life hard for others since 1977.               PGP 4BD6C0CB |