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Cc: freebsd-hackers@freebsd.org, krad <kraduk@googlemail.com>
Subject: Re: Request for opinions - gvinum or ccd?
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>> Would create a striped data set across da1  and da2
>
> What kind of performance gain can I expect from this? I'm purely thinking
> about performance now - the integrity checking stuff of ZFS is a pleasant
> extra.

with stripping - as much as with gstripe, ZFS do roughly the same.

with RAID-z - faster transfer, rougly same IOps as single disk. After i 
read ZFS papers i know that RAID-z is actually more like RAID-3 not RAID-5.