Ubuntu doesn't recognize RAID5 array - what to do?

[Eberhard Roloff]

Redmond Tux wrote:
> A few weeks ago I reinstalled the latest version of Ubuntu (wanted a 
> clean start) and discovered, to my unpleasant surprise, that Ubuntu 
> doesn't recognize my RAID5 array.
> 
> Previously, it was recognized as "Adaptec" (that's the hardware 
> controller that all the drives are tethered to).

Who did recognize it as "Adaptec", i.e. which software did you use, when 
it was correctly detected?

Eberhard