Date: Sun, 24 Dec 1995 19:25:14 +1100 From: Bruce Evans <bde@zeta.org.au> To: bde@zeta.org.au, grog@lemis.de Cc: hackers@freebsd.org Subject: Re: disk to disk copy Message-ID: <199512240825.TAA22568@godzilla.zeta.org.au>
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>> Actually, overwriting valid MBR's, SecondaryBR's (inside extended >> partitions and disk labels should fail. It succeeds in some cases >> because of bugs: >That's a matter of definition. If you're talking to a character >device, anything should be allowed. I have a number of disk drives No, character disk devices are the same as block disk devices except the latter are buffered. >which I use for various systems at various times. To change systems, >I copy the whole disk to tape and then a tape copy to disk. Under >FreeBSD, this always fails if there is no valid BSD label on the >disk. BSD/OS doesn't have this problem, so I do it with BSD/OS. This was fixed in FreeBSD-2.0.5 for drives that report their size. Bruce
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