Cluster configuration repository

• US 7,010,617 B2
• Filed: 05/02/2001
• Issued: 03/07/2006
• Est. Priority Date: 05/02/2000
• Status: Active Grant

• Current Assignee: Oracle America, Inc. (Oracle Corporation)
• Original Assignee: Sun Microsystems Incorporated (Oracle Corporation)
• Inventors: Herrmann, Frederic, Kampe, Mark A., Bethmangalkar, Ramachandra, Barrat, Frederic, Nguyen, Gia-Khanh, Chitloor, Ravi V.
• Primary Examiner(s): Burgess, Glenton B.
• Assistant Examiner(s): BARQADLE, YASIN M
• Application Number:
  US09/846,250
• Publication Number:
  US 20010056461A1
• Time in Patent Office: 1,770 Days
• Field of Search: 709/200, 709201-203, 709/217, 709208-213, 709220-223, 709/248, 714/2, 714/4, 714/6, 714 14- 16
• US Class Current: 709/248
• CPC Class Codes: H04L 41/0618 based on the physical or logical position
• CPC Class Codes: H04L 41/0806 for initial configuration or provisioning, e.g. plug-and-play
• CPC Class Codes: H04L 41/082 the condition being updates or upgrades of network functionality
• CPC Class Codes: H04L 41/0856 by backing up or archiving configuration information
• CPC Class Codes: H04L 41/0859 by keeping history of different configuration generations or by rolling back to previous configuration versions
• CPC Class Codes: H04L 41/0863 by rolling back to previous configuration versions
• CPC Class Codes: H04L 41/0866 Checking the configuration
• CPC Class Codes: H04L 41/0893 Assignment of logical groups to network elements
• CPC Class Codes: H04L 43/00 Arrangements for monitoring or testing data switching networks
• CPC Class Codes: H04L 43/0817 by checking functioning

Abstract

A system for providing real-time cluster configuration data within a clustered computer network including a plurality of clusters, including a primary node in each cluster wherein the primary node includes a primary repository manager, a secondary node in each cluster wherein the secondary node includes a secondary repository manager, and wherein the secondary repository manager cooperates with the primary repository manager to maintain information at the secondary node consistent with information maintained at the primary node.

Claims

1. A system for providing real-time cluster configuration data within a clustered computer network comprising a plurality of clusters, comprising:

a primary node in each cluster wherein said primary node includes a primary repository manager and a primary data repository, the primary repository storing a first set of cluster configuration data in the primary data repository;

a secondary node in each cluster wherein said secondary node includes a secondary repository manager and a secondary data repository, the secondary repository manager storing a second set of cluster configuration data in the secondary data repository; and

at least one additional node in each cluster, wherein said additional node runs a repository agent, wherein said repository agent forwards all write/update requests to said primary repository manager, and wherein said additional node includes a client application using the repository agent as an interface to the primary repository manager when accessing the first set of cluster configuration data;

wherein said secondary repository manager cooperates with said primary repository manager to maintain the second set of cluster configuration data at said secondary node consistent with the first set of cluster configuration data maintained at said primary node;

wherein the write/update requests are sent only to said primary repository manager;

wherein the write/update requests are written by said primary repository manager and said secondary repository manager in said first and said second set of cluster configuration data, respectively; and

wherein validating of completion of entry of said write/update requests is performed only when information is successfully written by both said primary repository manager and said secondary repository manager.

2. The system of claim 1, wherein said primary node further comprises primary services.

3. The system of claim 2, wherein said secondary node further comprises secondary services providing functionality of the primary services.

4. The system of claim 1, wherein said repository agent includes a software cache of repository data, wherein said repository data may be quickly accessed by the client application.

5. The system of claim 1, wherein said primary repository manager manages the storage of repository data comprising the first set of cluster configuration data on a first computer-readable medium, the maintenance of repository data on memory, and the synchronization of repository updates.

6. The system of claim 5 wherein said secondary repository manager manages the storage of repository data on a second computer-readable medium, and the maintenance of repository data on memory.

7. The system of claim 6 wherein the repository data in said secondary node is synchronously up-dated so as to remain consistent with the repository data of said first node.

8. The system of claim 6 wherein said first and second computer-readable mediums each include a disc.

9. The system of claim 1, wherein the client application registers an interest in a portion of the first set of cluster configuration data and the primary repository manager automatically notifies the client application of any changes in the portion of the first set of cluster configuration data.

10. A method of providing real-time cluster configuration data within a clustered computer network comprising a plurality of clusters, comprising the steps of;

choosing a primary node in each cluster wherein said primary node includes a primary repository manager;

choosing a secondary node in each cluster wherein said secondary node includes a secondary repository manager;

causing said secondary repository manager to cooperate with said primary repository manager to maintain information comprising secondary cluster configuration data at said secondary node consistent with information comprising primary cluster configuration data maintained at said primary node;

providing a repository agent for each additional node of each cluster, wherein the repository agent interfaces with the primary repository manager in its cluster to access the primary cluster configuration data;

sending write/update information from a client only to said primary repository manager;

causing said write/update information to be written by said primary repository manager and said secondary repository manager in said primary and secondary cluster configuration data, respectively; and

validating completion of the entry of said write/update information only when the information successfully is written in both said primary repository manager and said secondary repository manager.

11. A computer program product comprising a computer useable medium having computer readable code embodied therein for providing real-time cluster configuration data within a clustered computer network comprising a plurality of clusters, the computer program product adapted when run on a computer to effect steps including:

choosing a primary node in each cluster wherein said primary node includes a primary repository manager;

choosing a secondary node in each cluster wherein said secondary node includes a secondary repository manager;

causing said secondary repository manager to cooperate with said primary repository manager to maintain information comprising secondary cluster configuration data at said secondary node consistent with information comprising primary cluster configuration data maintained at said primary node;

providing a repository agent for each additional node of each cluster, wherein the repository agent interfaces with the primary repository manager in its cluster to access the primary cluster configuration data;

sending write/update information from a client only to said primary repository manager;

causing said write/update information to be written by said primary repository manager and said secondary repository manager in said primary and secondary cluster configuration data, respectively; and

validating completion of the entry of said write/update information only when the information successfully is written in both said primary repository manager and said secondary repository manager.

12. A computer program product comprising a computer useable medium having computer readable code embodied therein for providing real-time cluster configuration data within a clustered computer network comprising a plurality of clusters, the computer program product comprising:

means for choosing a primary node in each cluster wherein said primary node includes a primary repository manager;

means for choosing a secondary node in each cluster wherein said secondary node includes a secondary repository manager;

means for causing said secondary repository manager to cooperate with said primary repository manager to maintain information comprising secondary cluster configuration data at said secondary node consistent with information comprising primary cluster configuration data maintained at said primary node;

means for sending write/update information from a client only to said primary repository manager;

means for causing said write/update information to be written by said primary repository manager and said secondary repository manager in said primary and secondary cluster configuration data, respectively; and

means for validating completion of entry of said write/update information only when the information successfully is written by both said primary repository manager and said secondary repository manager.

13. The computer program product of claim 12, further comprising:

means for providing a repository agent for each additional mode of each cluster, wherein the repository agent interfaces with the primary repository manager in its cluster.