Date: Fri, 25 Sep 1998 02:09:12 -0700 From: Mike Smith <mike@smith.net.au> To: schofiel@xs4all.nl Cc: Free BSD Hardware list <freebsd-hardware@FreeBSD.ORG> Subject: Re: reading Sun-formatted diskettes Message-ID: <199809250909.CAA01810@word.smith.net.au> In-Reply-To: Your message of "Fri, 25 Sep 1998 10:06:53 %2B0200." <360B4F1D.6DAB@xs4all.nl>
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> Mike Smith wrote:
>
> > > find anything in the manpages about this. I know you can use the option
> > > to `newfs' to create 4.3BSD formats.
> >
> > Solaris uses a different word ordering; you can't mount Solaris
> > filesystems under FreeBSD.
>
> Duh - so how come I can read OS-9 formatted floppies on FBSD? I would
> have thought byte ordering on the disk to be of little relevance so long
> as the correct device driver with an understanding of the layout of the
> disk is loaded...?
You totally fail to understand. Device drivers don't have anything to
do with byte ordering. You will note that I specifically said
"filesystems".
> Anyway, SPARC Solaris (which I guess you mean, Mike) wouldn't run on an
> Intel arch processor! It's obvious he's trying a dual boot setup on one
> machine, so it must be Solaris x86 => no byte ordering problem, merely a
> format problem.
Solaris x86 uses the Sparc word ordering in on-disk filesystem data
structures so that you can exchange disk media with Sparc systems.
In addition to this, the Solaris "UFS" fileystem is not entirely
compatible with the FreeBSD filesystem of the same name. See NetBSD/
Sparc, which can read SunOS/Solaris filesystems.
Thus, you cannot mount a Solaris/X86 filesystem because:
- The values in the on-disk data structures are formatted in a
non-native fashion, and FreeBSD does not support this.
- The on-disk data structures are not what the FreeBSD UFS/FFS is
expecting.
> Did you get out of the wrong side of the bed this morning, Mike ;^)
I haven't gotten *into* bed this morning.
--
\\ Sometimes you're ahead, \\ Mike Smith
\\ sometimes you're behind. \\ mike@smith.net.au
\\ The race is long, and in the \\ msmith@freebsd.org
\\ end it's only with yourself. \\ msmith@cdrom.com
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