Resource group quorum scheme for highly scalable and highly available cluster system management
Patent 6314526 Issued on November 6, 2001. Estimated Expiration Date: 
July 10, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 10, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesAutomatic resource group formation and maintenance in a high availability cluster configuration Method and apparatus for providing scaleable levels of application availability System and method for modifying membership in a clustered distributed computer system and updating system configuration Patent #: 6108699 InventorsApplicationNo. 113674 filed on 07/10/1998US Classes:714/4, Of network707/10, Distributed or remote access709/223COMPUTER NETWORK MANAGINGExaminersPrimary: Beausoliel, RobertAssistant: Ziemer, Rita A Attorney, Agent or FirmInternational ClassH02H 003/05AbstractA cluster system is treated as a set of resource groups, each resource group including a highly available application and the resources upon which it depends. A resource group may have between 2 and M data processing systems, where M is small relative to the cluster size N of the total cluster. Configuration and status information for the resource group is fully replicated only on those data processing systems which are members of the resource group. In the event of failure of a data processing system within the cluster, only resource groups including the failed data processing system are affected. Each resource group having a quorum of its data processing systems available continues to provide services, allowing many applications within the cluster to continue functioning while the cluster is restored.Field of SearchOf networkRedundant stored data accessed (e.g., duplicated data, error correction coded data, or other parity-type data) Distributed or remote access File allocation Multimode (e.g., MIMD to SIMD, etc.) Array processor element interconnection COMPUTER NETWORK MANAGING Plural shared memories | |
