CERC ATA/100 RAID card

[Curtis H. Wilbar Jr.]

On Wed, 2008-04-02 at 14:27, John Bown wrote:
> Thanks for replying Kurt.  So, if not by using the BIOS, do you know of
> any other way to "demote" the card so it behaves strictly as a source of
> additional IDE channels?

I've never done this, but I believe you configure logical drives
that are made up of one physical drive.  You would still have the
problem of the newer megaraid driver not seeing the logical drives.

The drive controllers are only accessible by the cpu on the
CERC.

-- Curt

> 
> -----Original Message-----
> From: Kurt_Olsson at Dell.com [mailto:Kurt_Olsson at Dell.com] 
> Sent: Wednesday, April 02, 2008 12:58 PM
> To: John Bown; linux-poweredge at lists.us.dell.com
> Subject: RE: CERC ATA/100 RAID card
> 
> The BIOS enable/disable changes the INT13 behavior of the controller.
> That makes the controller a boot capable device or not.  If the BIOS is
> enabled, then the system can boot from the controller.  
> 
> -----Original Message-----
> From: linux-poweredge-bounces at dell.com
> [mailto:linux-poweredge-bounces at dell.com] On Behalf Of John Bown
> Sent: Wednesday, April 02, 2008 11:24 AM
> To: linux-poweredge-Lists
> Subject: CERC ATA/100 RAID card
> 
> Good afternoon everyone.  I'm hoping a few of the Dell folks out there
> can help me.
> 
> After purchasing one of the subject cards on eBay for a PE 1600SC, I
> learned that support for it has officially been dropped from the Linux
> kernel.  Joy.  At any rate, I read in the "MegaRAID i4 IDE RAID
> Controller Hardware Guide" that I downloaded from LSI's website (the
> manufacturer) that a jumper on the card itself, J2, can be used to
> enable/disable the card's BIOS.
> 
> With that I ask, if I disabled the card's BIOS, would openSUSE 10.3
> and/or SLES 10 SP1 see the card as an additional IDE controller instead
> of a RAID controller?  I'm hoping that if classified as the former, the
> card won't need the now discontinued RAID driver.  That way, I could at
> least use this thing for software RAID.
> 
> Thank you all for your time.
> 
> 
> John
> 
> 
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_______________________________________

Curtis Wilbar ~  Senior Systems and Network Administrator

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