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#! rnews 2005 bsd Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.mel.connect.com.au!news.mel.aone.net.au!usenet From: "Clement Cheung" <clement@ans.com.au> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: Making disk image backup Date: 16 May 1997 00:55:42 GMT Organization: ANS Communications P/L Lines: 46 Message-ID: <01bc6143$53026420$16143ccb@clementc.ans.com.au> References: <01bc60df$afc618a0$16143ccb@clementc.ans.com.au> <5lf710$3av@ui-gate.utell.co.uk> NNTP-Posting-Host: eddie.ans.com.au X-Newsreader: Microsoft Internet News 4.70.1161 Cache-Post-Path: eddie.ans.com.au!unknown@clement.ans.com.au Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:40985 Brian Somers <brian@shift.utell.net> wrote in article <5lf710$3av@ui-gate.utell.co.uk>... > In article <01bc60df$afc618a0$16143ccb@clementc.ans.com.au>, > "Clement Cheung" <clement@ans.com.au> writes: > > I use this command to make disk image backup: > > > > dd if=/dev/wd0c of=/dev/wd2c bs=1024k > > > > It works well in BSDI 2.1. It seeems to work in FreeBSD 2.2.1 as well. > > But I get this error message after using it: > > > > dd: /dev/wd0c: Invalid argument > > > > Do you have a solution? Or can I simply ignore it? > > This error says you have no FreeBSD partition on IDE disk 0. This cannot be right. IDE disk 0 is where the FreeBSD itself is located. IDE disk 1 is just placed there for the backup. > I'd suggest that you specify the slice that you want to > dump from - ie. wd0s0 for slice 0. Tried, but does not work! > AFAIK, there's no device that represents the whole physical > disk anymore. Please, someone, tell me I'm wrong. /dev/wd0c should represent the whole physical disk. This is what the disk label says. > > The configuration is as below: > > Pentium 180 > > 128MB > > 2.5GB EIDE as master on IDE 0 > > 2.5GB EIDE as master on IDE 1 > > FreeBSD v2.2.1 > > > > Thank you very much for your help. > > Thank you for your response. Regards Clement