Date: Fri, 3 Oct 1997 11:00:58 +0200 From: Philippe Regnauld <none@regnauld--deepo.prosa.dk.lh.bsd-dk.dk> To: bsd-dk@hotel.prosa.dk Subject: Re: ``Slices'' vs. ``partitions''?
Niels Kristian Bech Jensen writes:
> Hi,
> Can anybody explain the concept of ``slices'' vs. ``partitions'' in
> FreeBSD?
In FreeBSD terminology:
- a SLICE is one of the 4 segments recognized by the BIOS, which
DOS uses as "primary partitions"
i.e.:
Disk -+-- 0
|
+-- 1
|
+-- 2
|
+-- 3
(but the numbering starts at 1, and goes to 4 from FBSD's point
of view):
Say you install FreeBSD on SLICE 1, and DOS or Linux on SLICE 0,
then you refer to the slices like this:
FreeBSD: /dev/sd0s2
DOS: /dev/sd0s1
- a PARTITION is the subpart of the FreeBSD slice:
a
b
c
d
e
f
g
h
... so the root and swap partition on the FreeBSD slice in our example is:
/dev/sd0s2a
/dev/sd0s2b
I _think_ the notion of extended DOS "partitions is supported in
FreeBSD, but I can't remember how -- check the handbook
Also, when you only have one FreeBSD slice on the disk, you can
say:
/dev/sd0a
/dev/sd0f
etc...
and omit the "s2" part, since FreeBSD "knows" what you're trying
to mount.
To mount the MSDOS SLICE, you would say:
mount -t msdos /dev/sd0s1 /mnt
There you go!
--
-- Phil
-[ Philippe Regnauld / Systems Administrator / regnauld@deepo.prosa.dk ]-
-[ Location.: +55.4N +11.3E PGP Key: finger regnauld@hotel.prosa.dk ]-
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