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Date:      Fri, 10 Oct 2014 09:28:41 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Steve Wills <swills@FreeBSD.org>
Cc:        current@FreeBSD.org, fs@FreeBSD.org
Subject:   Re: zfs hang
Message-ID:  <54377C99.1000406@FreeBSD.org>
In-Reply-To: <20141010012724.GD79158@mouf.net>
References:  <20141008004045.GA24762__48659.9047123038$1412728878$gmane$org@mouf.net> <5434D1CE.8010801@FreeBSD.org> <20141010012724.GD79158@mouf.net>

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On 10/10/2014 04:27, Steve Wills wrote:
> Dying drives
> shouldn't cause panic, right?

There can be different shades of dying.  Returning errors is one thing, hanging
is a different thing.  There is a good reason why systems panics in that case.
I am surprised though that the hang was not detected in the lower layers like
ahci driver or CAM.

-- 
Andriy Gapon



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