Re: devfs
Richard Gooch (rgooch@atnf.CSIRO.AU)
Fri, 16 Jan 1998 09:55:50 +1100
James Bottomley writes:
> rgooch@atnf.CSIRO.AU said:
> > So on a box with both MS-DOS partition and Solaris slices, how does
> > that appear under Linux? What devices are available?
>
> They appear in the extended partitions bit (hd5-16)
>
> Linux doesn't really have enough minor numbers to cope well with this, so only
> usable slices are allocated to extended partition labels; the boot time code
> tries to tell you what went where, so when I boot my machine it says something
> like:
>
> sdc: sdc1 <solaris: [s0] sdc5 [s1] sdc6 [s3] sdc7 [s5] sdc8 [s6] sdc9 >
>
> showing I have one MS-DOS partition on sdc1 containing my solaris slices.
>
> I haven't actually got around to looking at the devfs patches yet. When I do
> I'll try to hammer the solaris x86 slice recognition code into a form which
> can be used by devfs. You can see that if one disc has both solaris and linux
> extended partitions, we rapidly run out of minor numbers.
Don't worry about minor numbers too much. The main thing is that we
have a naming scheme that is robust and won't need to be changed
because of something we didn't consider early enough.
Regards,
Richard....