[parisc-linux] ibm-disk on a hp 735/125

Matthew Wilcox willy@debian.org
Fri, 10 Jan 2003 15:33:13 +0000


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