08-27-2009
Quote:
Originally Posted by
karthikc
Hi All,
We are in the processing of upgrading our AIX server OS from 5.2.0.0 to 6.1. And we have a set of highly critical running C applications in AIX box.[...]
If you just upgrade the OS (but keep your boxes) your C apps should not be affected. The more your code is ANSI-C compliant the better. If you change the boxes too (from Power4/5 to Power6) you might be hit by some massive performance breakdown depending on what code you use. In the later case you would have to rewrite at least part of the apps according to IBM programming guidelines for Power6.
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