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Date: Tue, 3 Apr 2012 09:42:21 -0400
From: Gary Palmer <gpalmer@freebsd.org>
To: Matt Thyer <matt.thyer@gmail.com>
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Cc: Garrett Cooper <yanegomi@gmail.com>, freebsd-scsi@freebsd.org,
	freebsd-current@freebsd.org, "Kenneth D. Merry" <ken@freebsd.org>,
	Steven Hartland <killing@multiplay.co.uk>
Subject: Re: LSI supported mps(4) driver available
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On Tue, Apr 03, 2012 at 10:52:25PM +0930, Matt Thyer wrote:
> On Mar 27, 2012 11:50 PM, "Matt Thyer" <matt.thyer@gmail.com> wrote:
> >
> > I was having problems with the WD20EARX-00P AB51 drive being faulted by
> ZFS until I updated the firmware to 11 and now ZFS is happy (I've also done
> a full extended drive SMART test and the drive is fine).
> >
> I forgot to mention that I'm still having problems after this phase 11
> firmware upgrade with the 6 Gbps drive being kicked out of the raidz2 with
> write errors (even though a SMART full surface test says the drive is OK).
> 
> This leads me to think that both the old and new drivers have a problem
> with the 6 Gbps WD20EARX-00P AB51 drive.
> 
> Now that the 6 Gbps drive is on the Intel SATA controller things seem OK
> but it's a bit early to tell.
> 
> Stay tuned!

I think you should contact either SuperMicro or LSI and open a support
case as it looks like there could be a problem with either the controller
or the firmware when presented with mixed speed devices.  Either way I think
this needs to be escalated to the manufacturer.

Regards,

Gary