Date: Fri, 28 Feb 2014 04:31:17 +0100 From: Polytropon <freebsd@edvax.de> To: Matthias Apitz <guru@unixarea.de> Cc: freebsd-questions@freebsd.org Subject: Re: errors from external USB disk Message-ID: <20140228043117.de68f92e.freebsd@edvax.de> In-Reply-To: <20140227183248.GA3339@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> <20140227183248.GA3339@La-Habana>
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On Thu, 27 Feb 2014 19:32:48 +0100, Matthias Apitz wrote: > 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) Maybe you can use the "badblocks" tool provided by FreeBSD so this block can be "skipped". However, seeng this error often indicates that there are more bad blocks around the corner. :-) -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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