no ad1s3a,b,d... on ad1s3 after bsdlabel

[Lowell Gilbert]

"Snow Mountains" <snow.mountains.4 at gmail.com> writes:

> I try to understand bsdlabel.
> I have former fat slice (ad1s3) on my disk and I want to make several
> BSD partitions on it. I did this:
>
> # dd if=/dev/zero of=/dev/ad1s3 bs=1k count=1024
> 1024+0 records in
> 1024+0 records out
> 1048576 bytes transferred in 0.318986 secs (3287217 bytes/sec)
> # bsdlabel -w ad1s3
> # bsdlabel -e ad1s3
> (edit)
> # bsdlabel ad1s3
> # /dev/ad1s3:
> 8 partitions:
> #        size   offset    fstype   [fsize bsize bps/cpg]
>   a: 10000000       16    4.2BSD        0     0     0
>   b: 10000000 10000016    4.2BSD        0     0     0
>   c: 47616660        0    unused        0     0         # "raw" part, don't edit
>   d: 27616644 20000016    4.2BSD        0     0     0
> # newfs -U /dev/ad1s3a
> newfs: /dev/ad1s3a: could not find special device
> # ls /dev/ad1s3*
> /dev/ad1s3
> #
>
> What I miss because I don't have ad1s3a,b,d?
> If repeat same procedure on disk (big file) mounted as /dev/md0, a see
> /dev/md0,a,b,d,e... after this group of commands.

On what version of FreeBSD?