[dm-devel] RAID5 support ?

[Molle Bestefich]

Heinz Mauelshagen wrote:
> FYI: we keep information about which regions (arbitrary sized segments
>      of the address space) of the set are dirty with the the
>      device-mapper dirty-log so that we can resynchonize those at set startup.

Sounds sort of nasty.
What happens if the user boots to Windows in the mean time?
Windows will see corrupted data?

(I mean, that's the whole point of using a hardware soft-RAID
solution, isn't it?  BIOS and multiple-OS support for the metadata
format / RAID arrays?)