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Re: Problems with SATA and >15 partitions



On Sun, May 30, 2004 at 05:37:05PM +0200, Goswin von Brederlow wrote:
> Christoph Hellwig <hch@lst.de> writes:
> > No, theres lots of code in kernelspace that assumes a partitioned disk
> > has a block of minors.  Use a volume manager instead of traditional
> > partitions if you need more than 15 subdivions of a disk.
> 
> Ide disks have a block of 64 minors per disk, scsi only 16. So it
> can't be hardcoded that much.

You misunderstand.  The problem is the assumption that all minors per
disc are contiguous (in a single block).  This is fairly fundamental
and difficult to change.  I tried to do it and gave up.

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain



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