Date: Wed, 5 Jul 2000 20:51:05 +0200 From: Willem Brown <willem@brwn.org> To: "Michael T. Stolarchuk" <mts@off.to> Cc: questions@freebsd.org Subject: Re: read only file system? Message-ID: <20000705205105.F28124@snoopy.brwn.org> In-Reply-To: <200007051642.MAA23718@off.to>; from mts@off.to on Wed, Jul 05, 2000 at 12:42:50PM -0400 References: <20000705174745.B28124@snoopy.brwn.org> <200007051642.MAA23718@off.to>
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Hi, You got me. It's not mounted or anything like that is it? and what is the permissions on /dev/ad1? What happens when you try the raw device /dev/rad0 and /dev/rad1 Regards Willem Brown On Wed, Jul 05, 2000 at 12:42:50PM -0400, Michael T. Stolarchuk wrote: > > thanks willem, but here's the results: > > alpha0# dd if=/dev/ad0 of=/dev/ad1 bs=512k > dd: /dev/ad1: Read-only file system > 1+0 records in > 0+0 records out > 0 bytes transferred in 0.062841 secs (0 bytes/sec) > alpha0# > > > mts. > > In message <20000705174745.B28124@snoopy.brwn.org>, Willem Brown writes: > >Hi, > > > >Try using the /dev/ad1 device. /dev/ad1c refers to a slice on the > >drive that refers to all of the disk space.. > > > >The "c" happens to stand for "complete". > > > >Regards > >Willem Brown > > > >On Wed, Jul 05, 2000 at 11:38:39AM -0400, Michael T. Stolarchuk wrote: > >> > >> I'd like to make copies of complete drives, starting at > >> block 0 to the last block of the physical volume. > >> I used to be able to do that, but now i get EROFS errors, > >> and don't know how to get around them... > >> > >> These are ide drives, we bought a bunch of them to > >> replicate and use to boot and run some 8 alphas... > >> (we don't use the drives for performance, we've got > >> fast scsi for that), so all the drives we want to > >> copy onto are the same hardware devices.... > >> > >> We get the error when we: > >> > >> dd if=/dev/ad0c of=/dev/ad1c > >> or > >> dd if=/dev/rad0c of=/dev/rad1c > >> > >> > >> i belive we're getting the EROFS cause of trying to write > >> disk label data... > >> > >> mts. > >> > >> > >> To Unsubscribe: send mail to majordomo@FreeBSD.org > >> with "unsubscribe freebsd-questions" in the body of the message > >> > > > >-- > > /* =============================================================== */ > > /* Linux, FreeBSD, NetBSD, OpenBSD. The choice is yours. */ > > /* =============================================================== */ > > > >Colvard's Logical Premises: > > All probabilities are 50%. Either a thing will happen or it > > won't. > > > >Colvard's Unconscionable Commentary: > > This is especially true when dealing with someone you're > > attracted to. > > > >Grelb's Commentary > > Likelihoods, however, are 90% against you. -- /* =============================================================== */ /* Linux, FreeBSD, NetBSD, OpenBSD. The choice is yours. */ /* =============================================================== */ Learn to be sincere. Even if you have to fake it. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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