Re: bio too big - in nested raid setup

[Marti Raudsepp]

2010/1/24 "Ing. Daniel Rozsnyó" <daniel@xxxxxxxxxxx>:
> Hello,
>  I am having troubles with nested RAID - when one array is added to the
> other, the "bio too big device md0" messages are appearing:
>
> bio too big device md0 (144 > 8)
> bio too big device md0 (248 > 8)
> bio too big device md0 (32 > 8)

I *think* this is the same bug that I hit years ago when mixing
different disks and 'pvmove'

It's a design flaw in the DM/MD frameworks; see comment #3 from Milan Broz:
http://bugzilla.kernel.org/show_bug.cgi?id=9401#c3

Regards,
Marti
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