Patent ID: 7966516
Filing Date: 2011-06-21
Classification: G06F

Abstract:
1. A computer-based method, for use with a system that includes a cluster, of automatically performing a transaction recovery service migration in the cluster, comprising the steps of: providing a cluster which includes a plurality of application servers, including a primary server and one or more backup servers; providing, initially at the primary server, a transaction recovery service which logs transactions to a transaction log repository, and which recovers transactions on behalf of the primary server; determining a configuration information which specifies an automatic migration policy for use with the transaction recovery service; monitoring, using a singleton monitor, the presence of the transaction recovery service within the cluster; detecting, by the singleton monitor, a failure of the primary server; and automatically migrating the transaction recovery service from the primary server to a selected backup server, without requiring rebooting the primary server, and according to the automatic migration policy, including