Re: ibm-disk on a hp 735/125

From: Matthew Wilcox (willy@debian.org)
Date: Fri Jan 10 2003 - 08:33:13 MST


On Fri, Jan 10, 2003 at 04:58:00PM +0200, Nahkola Mikko wrote:
> Well, yes on both counts. Any HVD disks should be detected... but at the
> time these boxes were made, there were supposed to be certain differences
> between HP and regular disks. Or maybe that was just HP marketing.
>
> At any rate, there _was_ (and still is, BTW) a way to recognize a HP disk
> by the firmware - and there were differences between "workstation" and
> "server" disks too, _and_ IIRC "workstation" disks weren't "expected to
> work" in servers, the other way round it was "expected to work" but "unsupported"
> or something. Don't remember.

That's right. HP (in common with other big-iron hardware vendors) has
custom disk firmware which has certain guarantees which are useful for
real world issues but slow down benchmarks.

-- 
"It's not Hollywood.  War is real, war is primarily not about defeat or
victory, it is about death.  I've seen thousands and thousands of dead bodies.
Do you think I want to have an academic debate on this subject?" -- Robert Fisk


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