>~zero user down time Unfortunately ~zero doesn't equal 0. There is a time between the vary-off and the vary-on on the other machine. It's small, but real. Now IF you have two machines you could also use some sort of replication software and I'd buy you're at zero. But to paraphrase Buck's comment about MS, "Every iSeries needs a friend?" -Walden ------------ Walden H Leverich III President Tech Software (516) 627-3800 x11 (208) 692-3308 eFax WaldenL@TechSoftInc.com http://www.TechSoftInc.com Quiquid latine dictum sit altum viditur. (Whatever is said in Latin seems profound.) -----Original Message----- From: Jeff Silberberg [mailto:firstname.lastname@example.org] Sent: Wednesday, January 29, 2003 9:40 PM To: Midrange Systems Technical Discussion Subject: Re: Joe's V5R1 upgrade Mark, We can do this now. You setup independant storage pools, and you can move them from one system to another. so if you have a system ASP, and everything else in other ASPs 1-n you can vary one off and vary it onto another box. It works best with SHARK I think, but was beening demoed at the Nashville Common last year. So, at least in theory. If you have two systems capable of handling the workload, you could move all the user area's (storage) to system two and them update system one with ~zero user down time. JMS... ----- Original Message ----- From: "Mark Phippard" <MarkP@softlanding.com> To: "Midrange Systems Technical Discussion" <email@example.com> Sent: Wednesday, January 29, 2003 8:35 PM Subject: RE: Joe's V5R1 upgrade > > As Walden and others have pointed out, with a cluster of Linux or Windows > systems you can take a system out of the cluster to apply fixes without > bringing down the cluster and your application. > > I think the iSeries really needs to improve in this area. As it stands, I > would have a real hard time recommending the iSeries for someone with high > availability needs in a "connected world". The iSeries rocks when it comes > to unscheduled downtime, but it is not so great in the area of planned > downtime. _______________________________________________ This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@midrange.com To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/mailman/listinfo.cgi/midrange-l or email: MIDRANGE-Lfirstname.lastname@example.org Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l.
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