Hi Folks,

Roch Bourbonnais and Richard Elling helped me tremendously with the
issue of ZFS killing performance on arrays with battery-backed cache.
Since this seems to have been mentioned a bit recently, and there are
no instructions on how to fix it on Sun StorageTek/Engenio arrays, I
wanted to post back the solution that worked for me.

Its posted here: http://blogs.digitar.com/jjww/?itemid=44

The instructions will tell you how to configure the array to ignore
SCSI cache flushes/syncs on Engenio arrays. If anyone has additional
instructions for other arrays, please let me know and I'll be happy to
add them!


Best Regards,
Jason
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