major pita w/LSI Tyan TA26 combo

Freddie Cash fcash at
Mon Mar 6 08:07:40 PST 2006

On Sunday 05 March 2006 08:48 am, Vivek Khera wrote:
> On Mar 3, 2006, at 4:43 PM, Freddie Cash wrote:
> > The official word from LSI Support is:  they do not support any RAID
> > controllers connected to riser cards, no matter what the OS.  Go
> > that via
> > e-mail from one of their support techs and one of their RAID
> > engineers.

> Interesting... They never said that to me.  I have an issue with an
> external Dell Powervault array that always reports failure of
> whatever is in position 0 once the array is active.  It will format
> it, etc. without failure.  If I swap the channels on the 320-2X card,
> the error stays with position 0 on the array.  If I drop the channel
> down to U160 from U320, no errors.  This leads me to believe that the
> backplane of the array box is not up to spec for U320.

Is that connected to a riser card that is connected to the motherboard?

We only have problems when the MegaRAID card is plugged into a riser card.  
When it's plugged directly into the motherboard, it runs perfectly.

Freddie Cash
fcash at

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