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Date:      Fri, 8 Jun 2007 12:20:53 -0500
From:      "Rick C. Petty" <rick-freebsd@kiwi-computer.com>
To:        Matthew Hagerty <matthew@digitalstratum.com>
Cc:        freebsd-hardware@freebsd.org
Subject:   Re: Promise TX2300 array not detected.
Message-ID:  <20070608172053.GA25954@keira.kiwi-computer.com>
In-Reply-To: <4668B947.6070408@digitalstratum.com>
References:  <4662F5BF.4090709@razik.de> <4663496A.40202@digitalstratum.com> <466718DC.2030600@razik.de> <46674449.6090109@digitalstratum.com> <46678017.6080602@fluffles.net> <21250.192.85.50.1.1181233456.squirrel@mundomateo.com> <20070607164653.GB95991@keira.kiwi-computer.com> <25389.192.85.50.1.1181242998.squirrel@24.56.193.117> <20070607195828.GA368@keira.kiwi-computer.com> <4668B947.6070408@digitalstratum.com>

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On Thu, Jun 07, 2007 at 10:04:55PM -0400, Matthew Hagerty wrote:
> 
> Thanks for the info.  You make some good points for using a software 
> RAID, I'll have to do a little more research and run some simulated 
> failures so I know how to deal with the real failure when it comes.

In some cases, hardware RAID is necessary, but not just because marketing
says you need it.

> I am installing 6.2, I was referencing that link mostly for the errors 
> which are exactly what I was getting.  That probably was a little 
> confusing since that link was referencing 6.1.  Sorry.  I found a thread 
> that said it was not known if the problem could be solved in the 
> drivers, and was due to aggressive timing on the card and that Promise 
> was known for such things.  After reading that I tried the card in a 
> different computer and the errors went away.  Does not leave me with a 
> lot of confidence.

I've witnessed the Promise card timing issues myself..  it sure does matter
what motherboard it's in, and some of your BIOS settings can affect it.
But I've also seen that the cards behave better in 6.2 in general.

-- Rick C. Petty



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