Date: Mon, 21 Jan 2013 22:37:11 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: freebsd-current@freebsd.org Cc: Alexander Nedotsukov <bland@bbnest.net> Subject: Re: ZFS + usb in trouble? Message-ID: <201301212237.11092.hselasky@c2i.net> In-Reply-To: <201301212236.04250.hselasky@c2i.net> References: <B9569401-6A19-437C-82D8-794022D42CF1@bbnest.net> <20130121211718.GD1341@garage.freebsd.pl> <201301212236.04250.hselasky@c2i.net>
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On Monday 21 January 2013 22:36:04 Hans Petter Selasky wrote: > On Monday 21 January 2013 22:17:19 Pawel Jakub Dawidek wrote: > > I used wrong Hans' login, resending with the proper e-mail. > > Hi, > > You should try to use some tools to write some random data and read it back > and see if the data is the same, at /dev/daX level. The USB wrapper for > SCSI is very simple and it passes commands directly from CAM to the > hardware. I would be surprised if data was corrupted at this stage. Please also check if your USB device suffers from the lack of SYNCHRONIZE CACHE. --HPS
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