• Subject: Re: 24x7 information
  • From: "Roger Pence" <rp@xxxxxxxxxxxxxx>
  • Date: Wed, 12 Jan 2000 10:52:17 -0500

> With all due respect, I disagree.  LPAR provides a single point of
> failure.  If the CPU fails, all partitions are down.  When you IPL the
> primary partition, all partitions are down.  And what happens in the case
> of a fire or prolonged power outage?


Isn't your recommendation a little too absolute?

CPU fails--that's a problem. How often does it happen?
IPL machine--again, that's a problem--but how often does it happen. And,
isn't the concept of a primary partition supposed to go away?
Fire--both redundant AS/400s burn up
Power outage--both redundant AS/400s croak (unless you have the optional
gerbil-powered attachment in one of them)

Shouldn't Jim at least consider the potential cost savings that LPAR offers.
While there are exposures with LPAR that redundant AS/400s don't provide,
the cost savings (LPAR, for example, only requires _one_ licensed copy of
OS/400 across multiple OS/400 LPAR partitions) may make living a little
closer to the edge worthwhile.


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