First I tried just upgrading to b127, that had a few issues besides the mpt 
driver.  After that
I did a clean install of b127, but no I don't have my osol2009.06 root still 
there.  I wasn't
sure how to install another copy and leave it there (I suspect it is possible, 
since I saw
when doing upgrades it creates a second root environment, but my forte isn't 
solaris so I
just reformatted the root device)

On Tue, Dec 01, 2009 at 08:09:32AM -0500, Mark Johnson wrote:
> 
> 
> Chad Cantwell wrote:
> >Hi,
> >
> > I was using for quite awhile OpenSolaris 2009.06
> >with the opensolaris-provided mpt driver to operate a zfs raidz2 pool of
> >about ~20T and this worked perfectly fine (no issues or device errors
> >logged for several months, no hanging).  A few days ago I decided to
> >reinstall with the latest OpenSolaris in order to take advantage of
> >raidz3.
> 
> Just to be clear... The same setup was working fine on osol2009.06,
> you upgraded to b127 and it started failing?
> 
> Did you keep the osol2009.06 be around so you can reboot back to it?
> 
> If so, have you tried the osol2009.06 mpt driver in the
> BE with the latest bits (make sure you make a backup copy
> of the mpt driver)?
> 
> 
> 
> MRJ
> 
> 
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