RAID0 as a member of RAID6

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Hello,

In the process of upgrading my RAID array(s), I got to a situation where I =
use
a RAID0 of two 1TB disks as a member in RAID6 made mostly of 2TB disks.

Since I use a 64KB chunk size on the RAID6, I thought that for performance
it'd be better to also use a 64KB chunk in the RAID0.

However:

Is there anything special that needs to be done, to ensure that the 64K chu=
nks
of the top-level array align right into the lower-level (RAID0) chunks one =
to
one, and without any kind of a shift?

The superblock versions are 1.2 on both RAID6 and RAID0.

--=20
With respect,
Roman

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