If autoexpand = on, then yes.
zpool get autoexpand <pool>
zpool set autoexpand=on <pool>

The expansion is vdev specific, so if you replaced the mirror first, you'd
get that much (the extra 2TB) without touching the raidz.

Cheers,

On 7 February 2011 01:41, Achim Wolpers <achim...@googlemail.com> wrote:

> Hi!
>
> I have a zpool biult up from two vdrives (one mirror and one raidz). The
> raidz is built up from 4x1TB HDs. When I successively replace each 1TB
> drive with a 2TB drive will the capacity of the raidz double after the
> last block device is replaced?
>
> Achim
>
>
>
> _______________________________________________
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> zfs-discuss@opensolaris.org
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>
>
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