Patent ID: 6766470
Filing Date: 2004-07-20
Classification: G06F

Abstract:
A host in a cluster comprising a cluster fabric and one or more I/O controllers attached to the cluster fabric, the host comprising:an operating system (OS); and a fabric control driver included in the operating system (OS) and configured to: to create, when each cluster adapter is installed to access one or more fabric-attached I/O controllers, a virtual fabric control device object representing connectivity to the cluster fabric, and one or more I/O controller device objects for the corresponding fabric-attached I/O controllers that constitute â€œchildâ€  device objects of the virtual fabric control device object; to destroy affected I/O controller device objects, while maintaining the virtual fabric control device object, when one cluster adapter malfunctions but another cluster adapter remains available; and alternatively, to destroy the affected I/O control device objects and the virtual fabric control device object, when all connectivity to the cluster fabric is lost.