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Message-ID: <6c18a4f0511240730md9adb28xf7c2f0403621a6c4@mail.gmail.com>
Date: Thu, 24 Nov 2005 16:30:30 +0100
From: Bernd Bartmann <bernd.bartmann@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: S.M.A.R.T. command passthru to Firewire devices
Cc: linux-kernel@vger.kernel.org
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On 11/24/05, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Iau, 2005-11-24 at 15:01 +0100, Bernd Bartmann wrote:
> > When I try to run "smartctl -a /dev/sdb" it tells me that "Device does
> > not support SMART". /dev/sdb is a normal hdd in an external firewire
> > enclosure. To me this looks like the firewire SCSI layer does not
> > support the passthru of the S.M.A.R.T. commands. Or is there any other
> > way to query the S.M.A.R.T. status of an hdd attached via Firewire?
>
> If it takes an ATA drive then you will probably be seeing the fact that
> most firewire<->ATA convertor units don't support SMART so don't offer
> it over their SCSI interface.

So this means it is a problem of the firmware in the Firewire
enclosure? Are there any known enclosures that do support this
feature?

Best regards,
Bernd.