On Fri, 14 Nov 2003, Neil Brown wrote:
[...]
> 3/ define minor numbers of block-major-9 that are larger than 255 to
> have 6 bits of partitioning information. i.e.
> 9,0 -> md0
> 9,1 -> md1
> ...
> 9,255 -> md255
> 9,256 -> md256
> 9,257 -> md256p1
> 9,257 -> md256p2
> ...
> 9,320 -> md257
> 9,321 -> md257p1
> ...
> This has least impact on other system and is in some ways simplest,
> but it has the problem of lack of uniformity. You wouldn't be able
> to partition md0, but that isn't a big problem as long as you can
> partition some md arrays.
How about assigning the partition space above
9,0 => md0
9,1 => md1
...
9,257 => md0p1
9,258 => md0p2
...
9,320 => md1p1
That should be sensibly backward compatible, I think, and still allow
all the MD devices to be partitioned.
Daniel
--
No, no, you're not thinking, you're just being logical.
-- Niels Bohr
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