公开(公告)号：GB2522677A

公开(公告)日：2015-08-05

申请号：GB201401756

申请日：2014-02-03

Applicant: IBM

Inventor： CIANO GIUSEPPE ,  ARCESE MAURO ,  PERRECA GIANLUCA ,  PICHETTI LUIGI ,  SANTIS MARCO DE

IPC: G06F9/445 ,  G06F9/455

Abstract: A method of updating a software product on a virtual machine comprises providing (403-424) a software image of at least one new virtual disk storing a new level of the software product together with new metadata comprising an indication of at least one new activation procedure of the new level of the software product; and replacing (427­493) a current level of the software product with the new level of the software product, the current level of the software product being stored in at least one current virtual disk of the virtual machine together with current metadata comprising current activation information of the current level of the software product. In operation the at least one current virtual disk from the virtual machine (466), the at least one new virtual disk is added to the virtual machine (469); and running (472-481) said at least one new activation procedure according to the current activation information.