RE: iSeries TCO v NT server farm

["Walden H. Leverich" <WaldenL@xxxxxxxxxxxxxxx>]

>Most importantly, business is 24x7.  This application, once live, can
>probably withstand short downtimes in the wee hours each day, but not
>much more. 

Rich,

Sure, the iSeries is stable, but it does go down. Sometimes (granted
rarely) in an unplanned way, but other times in a planned way, be it for
hardware upgrades, OS upgrades, full backups, PTF installs, etc. And
these planned downtimes are often more than "short downtimes in the wee
hours each day."

So, if you need to be up nearly 24x7, are you planning on buying two
iSeries?

Part of the advantage of a cluster is so the application can survive
"unplanned" outages, but the other advantage is the ability to do
rolling upgrades where you take a part of the cluster offline and
upgrade it, but the application continues to run on the other parts.

Just something to add into the mix.

-Walden

------------
Walden H Leverich III
Tech Software
(516) 627-3800 x11
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com

Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)