Date: Thu, 27 Feb 2014 19:32:48 +0100 From: Matthias Apitz <guru@unixarea.de> To: Polytropon <freebsd@edvax.de>, freebsd-questions@freebsd.org Subject: Re: errors from external USB disk Message-ID: <20140227183248.GA3339@La-Habana> In-Reply-To: <20140227175258.GA3214@La-Habana> References: <20140226121714.GA1532@tiny-r255948> <20140226145527.3cd8eb4b.freebsd@edvax.de> <20140227115934.GA2006@La-Habana> <20140227150715.e6aa0594.freebsd@edvax.de> <20140227175258.GA3214@La-Habana>
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El día Thursday, February 27, 2014 a las 06:52:59PM +0100, Matthias Apitz escribió: > I was today reading the entire disk with > > # dd if=/dev/da0 of=/dev/null bs=1m > > and after around 700 GByte it terminated with: > > dd: /dev/da0: Input/output error > 712870+0 records in > 712870+0 records out The bad block is there; if I restart the reading from 10 blocks before this point, it stops at the same block: # dd if=/dev/da0 of=/dev/null bs=1m skip=712860 dd: /dev/da0: Input/output error 10+0 records in 10+0 records out 10485760 bytes transferred in 4.017767 secs (2609848 bytes/sec) matthias -- Matthias Apitz | /"\ ASCII Ribbon Campaign: www.asciiribbon.org E-mail: guru@unixarea.de | \ / - No HTML/RTF in E-mail WWW: http://www.unixarea.de/ | X - No proprietary attachments phone: +49-170-4527211 | / \ - Respect for open standards
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