Sparc64 partitions compatible with PC?
Damian Wiest
dwiest at vailsys.com
Thu Jul 17 19:42:37 UTC 2008
On Thu, Jul 17, 2008 at 02:32:28PM -0400, Miles Nordin wrote:
[snip]
> It is possible to put plain BSD labels onto FreeBSD/i386 disks:
>
> pizarro:~$ uname -a
> FreeBSD pizarro 6.0-RELEASE FreeBSD 6.0-RELEASE #1: Tue Nov 8 20:23:54 UTC 2005 carton at cortez:/usr/src/sys/i386/compile/CORTEZ i386
> pizarro:~$ df -k
> Filesystem 1K-blocks Used Avail Capacity Mounted on
> /dev/ad4a 63214 34552 23606 59% /
> devfs 1 1 0 100% /dev
> /dev/ad4e 7615086 2864168 4141712 41% /usr
> devfs 1 1 0 100% /usr/var/chroot/named/dev
>
> see how my devices are ad4a instead of ad4s1a? The missing s1 means
> no MBR label.
I would be extremely careful when doing this with removable disks
(ie. external USB drives) as I've had other systems wipe out my
data/label when mounting such a drive.
Some time ago I had a USB drive with just a BSD label and ufs
filesystems; everything worked fine on my FreeBSD workstation. When I
attempted to mount the thing on a box running OS X (Tiger) the system
locked up. I moved the disk back to my workstation only to discover
that the BSD label had been wiped out.
Now, that's not FreeBSD's fault, but I'd be careful when moving such
disks between systems.
-Damian
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