Date: Mon, 3 Aug 2015 11:35:48 -0400 From: Paul Mather <freebsd-lists@gromit.dlib.vt.edu> To: Alban Hertroys <haramrae@gmail.com> Cc: Adam McDougall <mcdouga9@egr.msu.edu>, freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: 4TB Western Digital My Book 1230 USB hard drive not working on 10.2 Message-ID: <99D5AABE-39D2-4471-B707-FA46CF631BEE@gromit.dlib.vt.edu> In-Reply-To: <CAF-3MvOj-qzSvbNyGfWPHKWcWBU15oA=jnDh1nVOetJJECJKaA@mail.gmail.com> References: <410CF5C1-2BF7-45E8-9707-12F26C4D62A1@gromit.dlib.vt.edu> <55BEC52A.6080901@egr.msu.edu> <268B6AD7-FCD8-4085-B479-DF8B319860B3@gromit.dlib.vt.edu> <CAF-3MvOj-qzSvbNyGfWPHKWcWBU15oA=jnDh1nVOetJJECJKaA@mail.gmail.com>
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On Aug 3, 2015, at 11:09 AM, Alban Hertroys <haramrae@gmail.com> wrote: > On 3 August 2015 at 15:01, Paul Mather = <freebsd-lists@gromit.dlib.vt.edu> wrote: >> On Aug 2, 2015, at 9:34 PM, Adam McDougall <mcdouga9@egr.msu.edu> = wrote: >>=20 >>> On 08/02/2015 21:22, Paul Mather wrote: >>>> I have a 4TB external USB drive (Western Digital My Book 1230) that = I am trying to use under FreeBSD/amd64 10.2 (10.2-PRERELEASE #0 r286052: = Wed Jul 29 20:59:39 EDT 2015). This system has a MSI 760GMA-P34 (FX) = motherboard. >>>>=20 >>>> The drive probes unreliably when plugged in to a USB 3 port. It = reliably probes when plugged into a USB 2 port. However, it works in = neither cases. Attempting to dd from the drive results in a "dd: = /dev/da0: Invalid argument". >=20 > FYI: I had been experiencing the same with a 2 TB WD MyBook on OS X > (Mavericks). The drive was being used for Time Machine backups, but it > would at irregular intervals it would just 'disconnect' itself. My > guess is that there's a firmware problem in the USB3 chip in those > drives. >=20 > After trying to get the issue fixed for almost half a year I returned > it and replaced it by a Seagate, which has been working flawlessly > ever since. >=20 > I'm just saying, perhaps the problem isn't with FreeBSD but with the = drive. I'd love just to get to the "randomly disconnects" stage under FreeBSD = at this point. :-) Up to now, I have been unable to read ANY data off the drive under = FreeBSD, either via USB 2 or USB 3. :-( However, you have given me something to think about: does anyone know of = a 4 TB USB 2 or 3 drive that will work reliably under FreeBSD 10-STABLE = right now? Cheers, Paul.
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