Pb with mounting FAT32 and NTFS partitions and with multibooting

["Saliou, Cedric (Cedric)" <saliou_(_at_)_lucent_(_dot_)_com>]

Hi guys,
I am searching how to mount FAT32 and NTFS partitions under OpenBSD v3.1
I have one disk (wd0) where my FAT32 partition is wd0j and the NTFS one is
wd0k

disklabel -t wd0
----------------
pa	4.2BSD
pb	swap
pi -> unknown (but size = NTFS)
pj -> unknown (size = FAT32 D:\)
pk -> unknown (size = FAT32 E:\)

fisk wd0
--------
#0	id=07		type=HPFS\QNX\AUX
#1	id=0B		type=Win95 FAT-32 (D:\)
#2	id=0B		type=Win95 FAT-32 (E:\)
#3	id=A6		type=OpenBSD

When I tried to mount one of the FAT32 partition, I use: mount -t msdos
/dev/wd0j /dos (the /dos directory is created).
It said "not an MSDOS filesystem"!!!
Can you give me some hints?
For NTFS is it supported yet?


Another problem is to create a multiboot from win2000.
In the FAQ, it said type: dd if=/dev/wd0a of=openbsd.pbr bs=512 count=1 (And
then used it in the C:\boot.ini).
But when I tried to issue this command, I got: "dd: /dev/wd0a: Device
busy"!!!
I have to go to singleuser and umount this partition, but how can I do?

Thanks to help me.
An OpenBSD user from Paris, France...
Cedric