Patent ID: 6842763

Claim:
A method for recovering from failures affecting a resource manager within a group of resource managers, wherein the resource managers within the group have access to a shared resource via which remote resource managers communicate with the resource managers within the group, the shared resource including data storage structures to which resource managers within said group connect to send and receive communications, the method comprising: storing, within a first data storage structure of the shared resource, unit of work descriptors for operations performed in relation to said shared resource by the resource managers in said group; sending a notification of a connection failure between a second data storage structure of the shared resource and a first resource manager within said group, the notification being sent to the remaining resource managers within the group which are connected to the second data storage structure; one or more of said remaining resource managers accessing said first data storage structure and analysing the unit of work descriptors to identify the units of work relating to the second data storage structure that were being performed by the first resource manager when the connection failure occurred; and said one or more remaining resource managers recovering the identified units of work.