Patent ID: 6799172
Filing Date: 2004-09-28
Classification: G06F,Y10S

Abstract:
A method for affinity free restart of a resource manager in a multi-system environment, said method comprising:receiving a restart request from a first resource manager on a first system in said multi-system environment, wherein said first resource manager is associated with an incomplete transaction; building a distributed transaction unit of recovery structure for said incomplete transaction; and sending said distributed transaction unit of recovery structure to a transaction manager for restart processing; said restart processing comprising: restarting said first resource manager on said first system; and restarting a second resource manager on a second system in the multi-system environment if said incomplete transaction is associated with said second resource manager, said second system being different from said first system, and said second resource manager previously having a node in common with said first resource manager; wherein said distributed transaction unit of recovery structure comprises: an index to locate an individual unit of recovery block associated with said incomplete transaction; a subordinate array that includes an entry for at least one system in the multi-system environment that will take part in the restart of said incomplete transaction.