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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!news.cs.su.oz.au!inferno.mpx.com.au!news.unimelb.EDU.AU!munnari.OZ.AU!news.mel.connect.com.au!news.mira.net.au!news.vbc.net!samba.rahul.net!rahul.net!a2i!news.PBI.net!decwrl!enews.sgi.com!news.mathworks.com!newsfeed.internetmci.com!EU.net!sun4nl!beta.nedernet.nl!usenet From: Gary Howland <gary@systemics.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: Wht does my dd to /dev/rsd1a claim it is read only? Date: Thu, 23 May 1996 23:02:30 +0200 Organization: Systemics Ltd. Lines: 26 Message-ID: <31A4D266.41C67EA6@systemics.com> NNTP-Posting-Host: mainstreet.support.nl Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0b2 (X11; I; FreeBSD 2.1.0-RELEASE i386) X-Forwarded: by - (DeleGate2.8.31) Hi, I am running FreeBSD 2.1, and have two _identical_ (including the data) SCSI disks. I am trying to use one disk as a nightly backup, but the following commands fails: dd if=/dev/rsd0a of=/dev/rsd1a bs=4096k It fails with: dd: /dev/rsd1a: Read-only fileystem 1+0 records in 0+0 records out Only disk 0 is mounted, so I can't see a reason why I shouldn't be able to perform the copy. I am also reasonably certain my device files are OK. And yes, I am running as root. Any help much appreciated. Gary -- pub 1024/C001D00D 1996/01/22 Gary Howland <gary@systemics.com> Key fingerprint = 0C FB 60 61 4D 3B 24 7D 1C 89 1D BE 1F EE 09 06