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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.mira.net.au!news.netspace.net.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: Making disk image backup Date: 15 May 1997 03:25:52 GMT Organization: ANS Communications P/L Lines: 25 Message-ID: <01bc60df$afc618a0$16143ccb@clementc.ans.com.au> NNTP-Posting-Host: 203.60.20.6 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:40885 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? 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. -- Regards Clement clement@ans.com.au