Boot option raid=parttitionable and autodetection

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Hi all,

does kernel boot time parameter raid=partitionable ofer any additional
feature over not using it at all?

Besides changing autodetected device names from /dev/mdX to /dev/md_dX
I currently can not see any other difference, save lilo being unable
to work with them.

Normal raid devices can be partitioned without hassle, unfortunately
in-kernel autodetection of nested raid arrays does not work (talking
about raid0 over raid1 here, not raid10), but that is more or less
understandable.


Another quick question:
What is the status of in-kernel autodetection vs initramfs based one?
As I could gather from various sites it seems initramfs is preferable,
but what does that mean for in-kernel detection? Is it slowly being
phased out?

Tnx for info,
b.
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