Date: Mon, 26 Feb 2001 16:49:08 +1300 From: Jonathan Chen <jonathan.chen@itouch.co.nz> To: Brian Astill <bastill@sa.apana.org.au> Cc: freebsd-questions@freebsd.org Subject: Re: incorrect super block on cdrom Message-ID: <20010226164908.A92599@itouchnz.itouch> In-Reply-To: <0102261112260D.00803@PhD_1.testname.com.au>; from bastill@sa.apana.org.au on Mon, Feb 26, 2001 at 11:01:00AM %2B1030 References: <0102261112260D.00803@PhD_1.testname.com.au>
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On Mon, Feb 26, 2001 at 11:01:00AM +1030, Brian Astill wrote:
> I inserted my FreeBSD 4.2 CD into my CD drive, and as root entered:
>
> mount /dev/acd0c /cdrom
>
> the response was:
>
> mount: /dev/acd0c /cdrom: incorrect super block
>
> why?
Because you're doing a manual mount that doesn't consult /etc/fstab;
and if you don't specify a type, it will assume it to be `ufs'. To mount
it correctly, you should use:
mount -t cd9660 /dev/acd0c /cdrom
> /etc/fstab lists:
> /dev/acd0c /cdrom cd9660 ro,noauto 0 0
> so unless fstab is itself incorrect (and I haven't altered it manually), my
> mount instruction would seem correct. ??
>
> Strangely, the command "mount /cdrom" worked !!
In this case, /etc/fstab *is* consulted and the type has been specified
to be `cd9660'.
--
Jonathan Chen <jonathan.chen@itouch.co.nz>
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