Patent ID: 6157932
Filing Date: 2000-12-05
Classification: G06F,Y10S

Abstract:
A method of updating a redundant transaction service system, the redundant transaction service system including a first transaction service device and a second transaction service device, the method comprising the steps of:removing the first transaction service device from on-line service;installing new software on the first transaction service device;removing the second transaction service device from on-line service;transferring a current database from the second transaction service device to the first transaction service device;converting the transferred current database into a format associated with the new software;returning the first transaction service device into on-line service;installing new software on the second transaction service device returning the second transaction service device into on-line service; andinitiating an on-line resynchronization process, wherein the transaction data contained in the current database is transferred from the first transaction service device to the second transaction service device without removing the first transaction service device from on-line service.