exist 4.2BSD with NTFS/MSDOS partition on same volume.
it will be destroy the which partition's file data.
Any time I get the scary and creepy this situation.
*example 4.2BSD with NTFS
1.formatting SATA HDD on OpenBSD:
newfs sd1c
2.formatting same HDD on Windows:
3.check the partition:
disklabel sd1c
<snip>
# size offset fstype [fsize bsize cpg]
c: <any> 0 4.2BSD 2048 <any> 1
fdisk sd1c
<snip>
#: id C H S - C H S [ start: size ]
-------------------------------------------------------------------------------
0: 07 0 <a> <b>- <c> <d> <e>[ 2048: <any> ] NTFS
1: 00 0 0 0 - 0 0 0 [ 0: 0 ]
unused
2: 00 0 0 0 - 0 0 0 [ 0: 0 ]
unused
3: 00 0 0 0 - 0 0 0 [ 0: 0 ]
unused
4.change the disklabel:
disklabel -E sd1c
D
p
<snip>
# size offset fstype [fsize bsize cpg]
c: <any> 0 unused
i: <any> 2048 NTFS
w
q
5.It can mounting sd1c and sd1i on OpenBSD
mount /dev/sd1c /mnt/4.2BSD/OpenBSD
mount /dev/sd1i /mnt/ntfs/OpenBSD
ntfs-3g -o ro /dev/sd1i /mnt/ntfs/fuse
6.It can mounting on Windows
7.How to delete(dis mounting) the which partition.
