This is the best so far on the legacy of the LSI 1068E controller! - notice it is tagged under “piece of sh!*”:
This dude does not mince words on the lameness of the LSI 1068E controller.
Here is the link: http://tjw.org/ubuntu-megasr/
Looks like he is not alone: http://www.shainmiley.com/wordpress/?p=85
Here as well: http://pocitace.tomasek.cz/SAS5iRperf/
Even more in 2011!: https://forums.openfiler.com/viewtopic.php?id=5278
Finally, a way to make it work!: http://blogaristoo.lqx.net/index.php/sassy-lip-from-the-lsi-1068e
In case the site goes away, you need to set IT mode - Integrated Target mode via a jumper (on card or mobo).
(followed by a re-flash with the IT firmware! - how lame is that)....
I found a copy of the IT mode firmware here ftp://ftp.supermicro.com/driver/SAS/LSI/1064_1068/IT/Firmware/B3/L8i/1.30.00/
Possible performance tweaks: http://blog.wpkg.org/2010/06/25/poor-write-performance-on-fusion-mpt-sas-raid-controllers/
More perf: http://lists.us.dell.com/pipermail/linux-precision/2007-June/001188.html
If you made it this far, here is the latest drivers (thanks for taking pity on us Supermicro):
More folks saying this super duper card is crap (OEM's hosing folks):
Even more piling on: http://www.ideastorm.com/ideaView?id=087700000008YSJAA2