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Date:      Wed, 2 May 2012 10:50:48 -0700
From:      Freddie Cash <fjwcash@gmail.com>
To:        Simon <simon@optinet.com>
Cc:        "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>
Subject:   Re: Replacing dead drives in ZRAID2
Message-ID:  <CAOjFWZ4Z49%2BbV6Tvf6Am_pQQs8wGDPc9bfxZSUtA9uNcGxEN-Q@mail.gmail.com>
In-Reply-To: <4fa16e7d.09d6e00a.5667.3ec7SMTPIN_ADDED@mx.google.com>
References:  <CAOjFWZ6_YYtVrL-nyDEVDqJ3XPmdTRSteS0ThD8SAvTdKfQxcQ@mail.gmail.com> <4fa16e7d.09d6e00a.5667.3ec7SMTPIN_ADDED@mx.google.com>

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On Wed, May 2, 2012 at 10:27 AM, Simon <simon@optinet.com> wrote:
> I don't expect miracles from ZFS if hardware is not compatible. However,
> I did expect for ahd driver and Adaptec U320 to still be fairly common and
> well aged, thus being compatible, but perhaps that isn't the case.
>
> Is there a list of compatible controllers?
>
> I do not understand how formatting a drive using UFS would solve my
> issues. I pulled 2 drives out from functional zraid2 to simulate drive
> failure and the system froze. Clearly there is an issue using this controller with
> ZFS in ZRAID setup. It shouldn't matter what I have installed on a drive.
> When a drive is pulled out of hot-plug enclosure, it should get marked as
> offline.

Until you format drives with something other than ZFS and test
removing/plugging in a drive, you cannot say for certain that it's a
ZFS issue.  The error messages shown all come from ahd which is way
below ZFS.

-- 
Freddie Cash
fjwcash@gmail.com



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