Date: Wed, 2 Feb 2011 21:09:35 +0100 From: Kurt Jaeger <pi@opsec.eu> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: looking for a fast way to dump a dvd to a file on my hdd Message-ID: <20110202200935.GE34314@home.opsec.eu> In-Reply-To: <20110202195441.GA39963@freebsd.org> References: <20110202195441.GA39963@freebsd.org>
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Hi! > please not that this is an atapi drive, but i'm using ATA_CAM. > > so far dd(1) with a bs=2048 finished after: > > 4676648960 bytes transferred in 1639.108763 secs (2853166 bytes/sec) > > ... this drive is capable of reading dvds at a speed of 16x. [1] tells me, > that this means the entire disc (SL) should have been read after ~ 4 minutes. Try dd ibs=2048 obs=64m which would buffer large amounts before writing it out. -- pi@opsec.eu +49 171 3101372 9 years to go !
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