The iSeries Blog

Aug 7 2008   12:17PM GMT

Thinking of switching from i to p?

Leah Rosin Leah Rosin Profile: Leah Rosin

If your company is considering a switch from the iSeries to pSeries and you are skeptical, you may find a story that John M. Willis recently shared on his IT Management and Cloud Blog interesting (and even helpful to use in any discussions with CEO’s who want to “change” things). In, The Laughing Boardroom – IBM eServer iSeries, Willis shares the story of a utility company that had been running an AS/400 for 20 years and then converted to the pSeries.

The initial design took them from one production AS/400 (they called it a mainframe) to about 10 P5 physical boxes with about 50 lpars of which about 20 lpars eventually became the replacement solution. On the software side they went from a single box that basically handled everything to a very complex infrastructure.

He provides some very specific (and alarming) statistics about the numbers of additional personnel and equipment this change required. The post also includes an IBM video that appears to be “unavailable” (but it still plays the audio fine if you don’t mind the dark screen).

This is one example, but do you know of more? What kind of pressure have you received to switch to a different system? What statistics do you use to combat these requests? What’s the number one reason you hear from management to consider a move to a different system? Share your stories in the comments here or, if you have a long story, send me an email and we’ll consider publishing it as a stand-alone post.

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