On Sun, Jan 21, 2001 at 11:56:44PM +0000, Josef Karthauser wrote:
> On Sun, Jan 21, 2001 at 03:33:31PM -0700, Warner Losh wrote:
> > In message <[EMAIL PROTECTED]> Matt
>Heckaman writes:
> > : Brand new system, installed 3 days ago, 4.2-RELEASE. Creating the
> > : partition on the newly sliced da1 via sysinstall put it on "e".
> >
> > 'e' is the first slice that sysinstall uses. Since you wanted the
> > whole disk, it gave you the whole disk as 'e'. Nothing magical about
> > it. 'c' being the whole disk *IS* magical.
>
> Does 'c' include the disklabel itself, and the boot blocks?
Actually in /usr/src/sys/sys/disklabel.h you can see three constants defined.
#define LABEL_PART 2 /* partition containing label */
#define RAW_PART 2 /* partition containing whole disk */
#define SWAP_PART 1 /* partition normally containing swap */
The code uses LABEL_PART when it wants to access the partition containing the
entire disk, together with the disklabel, but as you can see, this is the same
as RAW_PART which is defined to `2'. Now, lemme guess... 'a', 'b', 'c'..
'0', '1', '2'.. SWAP_PART is '1' and default swap partition is 'b'.
RAW_PART is '2' and the default `entire disk' partition is 'c'.
HAHHAHHH. I'm beginning to love this source thing!
Absolutely amazing, how clearly ideas and things can jump out on you, if you
read a few lines of code :-)
Cheers,
Giorgos.
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