[CentOS] AACRAID controller setup?

Les Mikesell lesmikesell at gmail.com
Fri Oct 27 19:44:18 UTC 2006

On Fri, 2006-10-27 at 15:03 -0400, Jim Perrin wrote:

> > This isn't exactly a Centos question but maybe someone here can help:
> > Does the AACRAID controller (as in an IBM 3550) store its config info
> > on the drives or internally?  I only have one of the boxes and want
> > to load Centos 3.x on several drives which can be swapped into
> > servers at another location.  With SCSI, all that took was a full disk
> > dd copy and a little fiddling with the HWADDR for the nics.  However
> > these don't even see a disk until you run the raid setup in bios.
> >
> > Does anyone know if a new server will recognize the setup (one drive,
> > no raid) from the cloned disk or what it will take to make it
> > accept the swap?
> We don't have that exact box, but we've got racks full of ibms like
> it. It stores the information on both the controller and the drives.
> If they don't match, you'll get a warning that tells you they don't
> match and you can either drive on with the existing config, or you can
> choose to read the configuration from the drive. If you're swapping
> more than one disk, they have to be kept in the same order, or else
> it'll get amazingly irritable, and you can kiss your data goodbye.

Thanks - It's just one disk but I need to know what the person
installing it has to do.  Maybe I'll see it when I swap in my
first cloned disk to test booting from it. I suppose I should be
PXE-booting a common image instead of using local disks anyway...

  Les Mikesell
   lesmikesell at gmail.com

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