zfs on 4k sector disks

[mailinglists]

Hello,

I've got 3 1.5TB drives that are using the "Advanced Format" from 
Western Digital, see the link for details:
http://www.wdc.com/wdproducts/library/WhitePapers/ENG/2579-771430.pdf
This "Advanced Format" basically means the sectors size on disk is 
changed to 4k in stead of 512k.

I'm wondering if freeBSD 8.0 using ZFS raidz and drives like these will 
work properly, I've seen a lot of articles and postings about partitions 
not being properly aligned with the physical disk layout and suffering 
big performance hits. My question is; should I worry about these issues 
or does ZFS already align the data on a 4k border?

My setup would be 3 * 1.5TB WD drives (WD15EARS) using the whole drive 
for a raidz pool.

Thanks,
Rob Evers
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