RE: availability and resiliency

[Leo Nelson <lnelson () axient com>]

Pardon my ignorance, but what the heck does a "9" refer too? Is it a UPS,
rack, floor space, circuit...

Thanks in advance
-leo

-----Original Message-----
From: Lionel Lauer [mailto:longword () newsguy com]
Sent: Friday, September 29, 2000 10:54 AM
To: Andrew Bangs
Cc: nanog () merit edu
Subject: Re: availability and resiliency



On Fri, 29 Sep 2000 17:39:04 +0100, Andrew Bangs <andrewb () demon net>
wrote:

> On Thu, Sep 28, 2000 at 02:39:40PM -0600, Irwin Lazar wrote:
> > Hi all,
> > Does anyone know if a template exists for what it takes to provide 5 9's
of
> > availability, 4 9's etc.for Internet data centers?  Specifically I'm
looking
> > for something that would say "if you want 5 9's of availability, here's
what
> > you need to do", and so on.
>
> For 5 9s you need:
>
> 1) Lots of money
> 2) Lots of clue
> 3) Lots of luck
> 4) Lots of balls
>
> You can do 4 9s with any 3 of the above.

Too true.

But you forgot to include 'halfway-clued management' - without that you
haven't got a hope in hell of even getting three 9's. ;)

-- 
   W          
 . | ,. w ,   "Some people are alive only because
  \|/  \|/     it is illegal to kill them."    Perna condita delenda est
---^----^---------------------------------------------------------------