Date: Fri, 13 Jan 2006 00:59:46 +0100 From: Nicolas Rachinsky <fbsd-hackers-0@ml.turing-complete.org> To: Peter Jeremy <PeterJeremy@optushome.com.au> Cc: Christoph Kukulies <kuku@www.kukulies.org>, freebsd-hackers@freebsd.org Subject: Re: increasing dd disk to disk transfer rate Message-ID: <20060112235946.GA45385@mid.pc5.i.0x5.de> In-Reply-To: <20060112211300.GB13244@cirb503493.alcatel.com.au> References: <200601120948.k0C9mcqR092895@www.kukulies.org> <20060112211300.GB13244@cirb503493.alcatel.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
* Peter Jeremy <PeterJeremy@optushome.com.au> [2006-01-13 08:13 +1100]: > Note that whilst increasing the DD blocksize will speed up the > transfer, it will also increase the amount of collateral damage when a > hard error occurs. If you rummage around the ports or tools tree, > you'll find a utility (its name escapes me but I believe it was > written by phk) that is designed to do disk-to-disk recovery - it > copys data in big slabs until it gets an error and then works around > the faulty area block by block. sysutils/dd_rescue I haven't tried it, but pkg-descr sounds promising. Nicolas -- http://www.rachinsky.de/nicolas
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060112235946.GA45385>