Just in case someone of you want to jump in, I created the case #100426-001820 to WD to ask for a firmware update to the WD??EARS drives without any 512-byte emulation, just the 4K sectors directly exposed.
The WD forum thread: http://community.wdc.com/t5/Desktop/Poor-performace-in-OpenSolaris-with-4K-sector-drive-WD10EARS-in/m-p/20947#M1263 is checked by the dev department and would have a lot more weight if more comments/signatures were added by you guys. Have a good night. Regards, Leandro.
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