Re: Hot Swapping CPUs?

From: Wilko Bulte <wkb_at_freebie.xs4all.nl>
Date: Fri, 2 Jan 2004 21:26:27 +0100
On Fri, Jan 02, 2004 at 03:14:08PM -0500, Andre Guibert de Bruet wrote:
> 
> On Fri, 2 Jan 2004, Jeff Jirsa wrote:
> 
> > [ I can't send to the list, since this location lacks RDNS, but feel
> > free to send followups to the list if you feel they're of use ]
> >
> > > Find me a x86 motherboard (with specs, preferably) that supports cpu
> > > failure-monitoring and hot-swapping and I'll volunteer time to hack up
> > > some code for you. (We have a need for this functionality in
> > > our x86-farm at work, so I'd get to do it on the clock. :) )
> >

...

> you've realized that a CPU on your production online system has failed and
> 7AM when the system vendor's 4hr response team shows up. Powering down a
> system for a proc replacement causes a 5 minute downtime window which will
> still let you maintain 99.99904% availability (based on a 365.25 day
> year).

5 minutes? Forget that for serious (non-x86 ;-) servers with Gigs and gigs
of memory and tons of I/O adapters. It takes >> 5 minutes to boot those
buggers..

-- 
|   / o / /_  _   		
|/|/ / / /(  (_)  Bulte		wilko_at_FreeBSD.org
Received on Fri Jan 02 2004 - 11:26:47 UTC

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