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On Wed, 27 Mar 2002, Kurth Bemis wrote:
> but if the card is a hardware RAID card then the kernel shouldn't care or
> see the individual drives, right? It should see one large volume.
>
> am i correct in assuming that?
In this case, no. The AAA series cards have two or more aic7xxx chips
on them. There is one SCSI controller for each channel, which is
supported by the linux driver. The remaining chip is the RAID controller
which turns the individual drives into logical volumes. That chip is NOT
supported in linux, and last I checked it never will be. Adaptec won't
release specs for it, and they can't be bothered to write drivers for an
out of production product.
The effect is just what you're seeing. The driver loads and sees the
individual drives, but can't tell that they're supposed to be a RAID set.
You can still use the drives, but the RAID card is acting like a normal
SCSI controller such as a 2940U2. In order to do real hardware RAID
you'll either have to get a different card, or run a "supported" OS. The
Adaptec recommended upgrade for that card is the 3200S. It does have
linux support, but it's $700+.
- --
-Matt
Entropy isn't what it used to be.
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