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>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.)
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