Frank Slootweg schrieb:
>
> Matti Juhani Kurkela <Matti.Kurkela@welho.com> wrote:
> > "Benjamin Gawert" <bgawert@gmx.de> writes:
> >
> >> It's true that some HP drives are OEM drives with HP firmware, but usually
> >> there is no big difference between HP firmware and original firmware. HP
> >> firmware usually is generic firmware that has been tested and verified by HP
> >> to work flawlessly and that got a modified ident string so the disk
> >> identifies itself as HP drive which is necessary for most drives to work
> >> with the diagnostic software...
> >>
> >> Otherwise, generic disks will work as fine as HP disks...
> >
> > Someone once (years ago) told me that some workstations could use
> > generic drives just fine when the OS is up, but only HP-branded drives
> > would be detected as bootable by the WS's firmware.
> >
> > I don't know what WS models would have this limitation (if any)...
> > and firmware updates may have changed the situation.
>
> Urban legend. That has never been the case. The firmware changes
> always were *enhancements*, mainly performance/reliability ones, never
> (in)compatibility ones. As other posters mentioned, *formal support*
> and diagnostic support *are* issues for non-HP (branded) drives.

Only applied to HP-UX 9.x
This supported only limited disk geometries as a boot device,
but there is a way to use even these with third party disks.

Gereon W.