Network attached storage SNMP single system image

• US 7,451,199 B2
• Filed: 05/10/2002
• Issued: 11/11/2008
• Est. Priority Date: 05/10/2002
• Status: Active Grant

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Chellam, Sudhakar V., Kandefer, Florian K.
• Primary Examiner(s): Cardone; Jason
• Assistant Examiner(s): Duong; Thomas
• Application Number:
  US10/143,149
• Publication Number:
  US 20030212777A1
• Time in Patent Office: 2,377 Days
• Field of Search: 709203-236, 711141-148, 714/56, 714/4, 702/182
• US Class Current: 709/223
• CPC Class Codes: H04L 41/00 Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
• CPC Class Codes: H04L 41/0213 Standardised network management protocols, e.g. simple network management protocol [SNMP]
• CPC Class Codes: H04L 41/046 comprising network management agents or mobile agents therefor

Abstract

A method, system, and apparatus for a management station to manage a node cluster in a computer network. Regardless which node in the node cluster receives a management command from the management station to the master node, the management command is sent to the master node. The master node prepares a command response and sends the response back to the original node that received the management command. The original node, in turn, forwards the command response to the management station. The invention utilizes management agents executing on a master node and servant nodes to create and process the command response.

Claims

1. A method for a management station to manage a node cluster in a computer network, the node cluster including a plurality of servant nodes, a target node and a master node, the method comprising:

receiving a management command from the management station through the network by the target node, the target node being one of the plurality of servant nodes in the node cluster;

sending the management command to the master node from the target node;

processing a management response to the management command by the master node, wherein processing the management response includes polling the servant nodes for data required by the management command;

sending the management response to the target node from the master node; and

sending the management response to the management station by the target node.

2. The method of claim 1, wherein processing the management response further comprises determining a scope of the management command.

3. The method of claim 1, wherein processing the management response further comprises formatting the management response to the protocol expected by the management station.

4. The method of claim 1, the management command is formatted under a User Datagram Protocol (UDP).

5. The method of claim 1, wherein processing the management response further comprises determining whether the management command relates to information about a node, multi-node, Virtual File Server (VFS), or other entity.

6. The method of claim 1, wherein the servant nodes, the target node and the master node are configured to appear as a single entity.

7. The method of claim 1, wherein the management station is separate from the node cluster.