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Technology Stocks : Compaq -- Ignore unavailable to you. Want to Upgrade?

To: John Koligman who wrote (70334)	10/27/1999 5:01:00 PM
From: Rob Young	Read Replies (3) \| Respond to of 97611

<Reliability, Availability, Serviceability. It's a widely used term in the S/390 world, mostly because these boxes really shine in these areas. In fact, IBM mainframes ship with hardware preinstalled (additional processing engines) that can simply be 'turned on' when the customer needs a more powerful machine. This is done via microcode. Just one example of many I could offer, but it might be boring <ggg>. > Not boring .. interesting stuff. <You can also combine 32 discrete S/390 MVS boxes into something called a 'sysplex' that can be configured to share workload. Individual mainframes can be configured out of the 'sysplex' for upgrades, etc. Gives an installation lots of flexibility and much more power than is available in the Intel powered world currently> Can and do are two different things. Maybe you can do 32 in a Parallel Sysplex but the largest Sysplex out there today is 16 nodes, right? RAS coming to new GS series include, the normal ones plus CPU hot-swap and memory in-swap.. When you think about it, mainframes are stuck.. since they can't do much with the 32-bit model they live in other than "tricks" with cache and what not (i.e. CF currently allows up to 16 Gigs of data cache). GS320 (Wildfire) follow-ons are headed places mainframes can't come. The follow-on to Wildfire is said to accomodate 256 CPUs and a Terabyte of memory. Mainframes can't scale like that. Rob