Re: Proper partition type for components with V1.x superblocks?

["H. Peter Anvin" <hpa@zytor.com>]

Doug Ledford wrote:
> 
> The same is true of version 0.90.0 superblocks.  It was probably a bad
> decision to make raid1 arrays mountable as normal filesystems in
> hindsight, but it did ease a lot of things at the time (like booting
> from a raid1 device using lilo, the only boot loader back in the day).
> In any case, given the number of existing 0.90.0 and 1.0 superblock
> systems out there, any install code that doesn't look for them is just
> flat deficient.  So I can see your point from the stand point of wanting
> to correct a past mistake, but the flip side of the coin is that even if
> you do such a thing, any installer will still be buggy and broken for
> many years to come if it doesn't check for raid superblocks before
> treating a filesystem like a normal filesystem.
> 

It certainly helps bootloaders wanting to boot off RAID-1.  1.2 
superblocks, at the beginning but with an offset, are fine for that 
purpose too, but requires special handling.

	-hpa