Date: Sun, 2 Feb 1997 01:47:20 +1100 From: Bruce Evans <bde@zeta.org.au> To: freebsd-hackers@FreeBSD.ORG, sja@tekla.fi Subject: Re: Error Message (mounting a DOS partition) Message-ID: <199702011447.BAA24105@godzilla.zeta.org.au>
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>Actually, I think I'm getting some of this. So, DOS disks always >have four partitions (some of which can have zero size). >Slices 5..32 (NDOSPART+1...MAX_SLICES) are *inside* extended >partitions (or recursively inside other slices). Normally, recursively inside one extended partition in the primary partition table. >wd0s5 doesn't come after wd0s4 (as a UNIX weenie might expect); wd0[a-h] and wd0s[1-4] need not be in sector order, so you shouldn't expect much here. >it is inside the first extended partition (whichever of the four >that might be.) s6 would be either after s5 inside the same extended >partition, or on the next extended partition, or even inside s5. Normally, to get s6, s4 would have contain 2 partitions (er slices, I'll call them pslices from now on). s5 and an extended pslice that isn't mapped to a FreeBSD slice. This extended pslice contains s6 and possibly another extended pslice... s5 would never have another pslice in it, but there might be 2 more pslices in the pslice table at the start of slice s4. These are normally not used. Bruce
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