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SubjectRe: Controller trashes FS (what's new)

On Sun, 26 Jan 1997, Jon Lewis wrote:

> On Sun, 26 Jan 1997, Mike Kilburn wrote:
>
> > It was my understanding that you must re-format your
> > drive when switching SCSI controllers.
>
> Depends what you're switching from/to. Some cards will deal with
> geometries used by others. NCR's for instance can take over after you've
> started with an Adaptec, but I don't think you can go the other way. I
> wonder if a Buslogic can take over for an NCR...I'm considering trying
> that.

Except for boot which depends on vendor BIOS, any scsi board would
be able to behave as a NCR drivers, if the geometry was deduced from
the partition table with scsicam_bios_params().
Donnot forget you have Linux source code ...

Be carefull if you use a Tekram DC-390 with NCR chip.
Such boards do not use the SDMS BIOS but a proprietary one.
I would be surprised too much if a disk formatted first under Linux
with some non-adaptec geometry would have problem to boot with Tekram
NCR based Board.


Gerard.



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