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Old 6th November 2010
wesley wesley is offline
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Default create a FAT32 partition and format it.

Hi,

I added a second disk to my OpenBSD 4.7 machine.
i done this :
fdisk -e w
I created a first full partition type : 0b

when i type : fdisk wd1, i have the following
0: 0B 0 0 1 - 41609 15 63 [ 0: 41942880 ] Win95 FAT-32

Now, i suppose i need a slice to format it.
disklabel -E wd1
I created a slice a but FSTYPE is 4.2BSD. I'm wrong somewhere.
disklabel wd1a
# size offset fstype [fsize bsize cpg]
a: 41943040 0 4.2BSD 2048 16384 1
c: 41943040 0 unused

How can i proceed to format a disk FAT32 ?
thanks
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Old 6th November 2010
BSDfan666 BSDfan666 is offline
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OpenBSD normally probes the disk and automatically generates a pseudo disklabel with a single slice 'i' which spans the entire MBR partition.

I haven't really read the code that's responsible for this but maybe it also probes the filesystem for FAT metadata?

Try manually creating a disklabel 'i' with the type 'MSDOS', after that.. run:
$ sudo newfs_msdos -F 32 /dev/rwd1i

I'm not sure if this will work or not though, creating the filesystem on Windows is the more typical method.
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Old 6th November 2010
ocicat ocicat is offline
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Quote:
Originally Posted by BSDfan666 View Post
OpenBSD normally probes the disk and automatically generates a pseudo disklabel with a single slice 'i' which spans the entire MBR partition.
In addition, disklabel(8) simply labels the first foreign file system encountered as "i", or whatever is the next available letter after "i". In looking at the code, I suspect the reason that "i" is used is because it is midway between "a" & "p".

FWIW.
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