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WEBSPHERE PRODUCT VS FIX PACK VS IFIX

INTRODUCTION:
Fixes for WebSphere software are delivered in the form of maintenance packages. There are three different types of maintenance packages:
  • Refresh pack: A refresh pack is a cumulative set of fixes delivered together in a single maintenance package. Refresh packs may contain new function as well as fixes for known problems. After applying a refresh pack, the third digit in level of the product is changed. For example, if you have V6.0.0.1 installed and you install refresh pack 2 for V6, the product version changes to 6.0.2.0.
  • Fix pack: A fix pack is a cumulative set of fixes delivered together in a single maintenance package. Fix packs contain only fixes for known problems. After applying a fix pack, the fourth digit in the level of the product is changed. For example, if you have V6.0.2.0 installed and you install fix pack 17 for V6.0.2, the product version changes to 6.0.2.17.
  • Interim fix (iFix): An interim fix is a fix for a specific problem for a specific level or levels or the product. An iFix is not a cumulative set of fixes. When the iFix is built, the levels of the product the iFix is for are set and the iFix will not install on any other levels. Interim fixes are included in the next possible fix pack after the interim fix is released.
So, what is a fix pack ?

A fix pack contains fixes for numerous issues. Fix pack with a higher version has all the fixes addressed by a fix pack with a lower version. So it is enough if we install a fix pack with the highest version. Fix packs can be downloaded from the Fix Central. Fix Central is the channel through which IBM provides fixes and updates for all its products.

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