From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Greaves Subject: Re: SMART to USB/sata dock in 2.6.27-rc5 doesn't work : hardware limitation Date: Fri, 10 Oct 2008 09:09:27 +0100 Message-ID: <48EF0DB7.90909@dgreaves.com> References: <48EE7E0A.8040701@dgreaves.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail.ukfsn.org ([77.75.108.10]:51338 "EHLO mail.ukfsn.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751670AbYJJIJx (ORCPT ); Fri, 10 Oct 2008 04:09:53 -0400 In-Reply-To: <48EE7E0A.8040701@dgreaves.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Smartmontools Mailing List , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org David Greaves wrote: > Hi > > I just bought a usb/sata adapter like this: > http://www.thinkgeek.com/computing/drives/a7ea/?cpg=ab > lsusb -v is below > > Works OK as a hot-plug SATA disk so I can check what's on that old disk in the > corner; but smartctl doesn't work so I can't see if it has any errors, run > selftests etc. So, for the record since I had no luck on google, I had an off-list reply that pointed here: Smartmontools for FireWire, USB, and SATA disks/systems http://smartmontools.sourceforge.net/faq.html#testinghelp It's an odd URL target - it's actually about the fact that the usb/sata bridges built into the docks don't fully support the scsi command set in their hardware; so my SMART doesn't work and has no chance of being fixed by software. Future chipsets (and some current cypress ones) may have various developments in hardware to fix this. HTH someone else. David -- "Don't worry, you'll be fine; I saw it work in a cartoon once..."