Skip site navigation (1)Skip section navigation (2)
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>

next in thread | previous in thread | raw e-mail | index | archive | help
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 !



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20110202200935.GE34314>