Messages in this thread | | | Subject | Re: [RFCI] How best to partition MD/raid devices in 2.6 | From | Daniel Pittman <> | Date | Fri, 14 Nov 2003 16:27:51 +1100 |
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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
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