Date: Tue, 18 Oct 2005 18:53:08 -0700 From: "Gayn Winters" <gayn.winters@bristolsystems.com> To: "'Craig Deal'" <craig@advantagecomputer.biz>, <freebsd-questions@freebsd.org> Subject: RE: Replacing a failing HD Message-ID: <007e01c5d44f$de0dabf0$c901a8c0@workdog> In-Reply-To: <200510181904296.SM01300@craiglaptop>
next in thread | previous in thread | raw e-mail | index | archive | help
> > Craig Deal wrote: > > > > > > > > >>>Hope it's ok to continue this thread, but can you > explain in more > > >>>detail how to use dd to copy a HD. I read "man dd" and was > > >> > > >>unable to > > >> > > >>>figure out how this is done. > > >>> > > >>>Thanks, > > >>>Craig > > >>> > > >>>_______________________________________________ > > >>>freebsd-questions@freebsd.org mailing list > > >>>http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > >>>To unsubscribe, send any mail to > > >> > > >>"freebsd-questions-unsubscribe@freebsd.org" > > >> > > >>This is what I have done in the past. > > >> > > >>dd if=/dev/da0 of=/dev/da1 bs=8192b > > >> > > >>where da0 is the disk you want to copy and da1 is the new, > > blank disk. > > >>I should also mention that it is wise to do this in single > > user mode. > > >>I actually have read this somewhere and understand the > point of it, > > >>but I must also say that I have done it both ways and they > > have both > > >>worked. > > >>YMMV I would have to say it is all dependant and what you have > > >>running. > > >> > > >>I have done this too many times to count and it is very easy. > > >> > > >>peace, > > >>Bob > > >> > > > > > > > > > I tried this and got the following error: > > > > > > ad0: FAILURE - READ_DMA status=51<READY,DSC,ERROR> > > > error=40<UNCORRECTABLE> > > > LBA=8387712 A couple ideas for dd: Have you tried bs=512b ? How about conv=noerror ? -gayn
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?007e01c5d44f$de0dabf0$c901a8c0>