CLUSTER SYSTEM AND AN ERROR RECOVERY METHOD THEREOF

• US 20080288812A1
• Filed: 07/28/2008
• Published: 11/20/2008
• Est. Priority Date: 04/07/2004
• Status: Abandoned Application

• Current Assignee: Koji Ito, Masaya Ichikawa, Takaaki Haruna, Yuzuru Maya
• Original Assignee: Koji Ito, Masaya Ichikawa, Takaaki Haruna, Yuzuru Maya
• Inventors: Ichikawa, Masaya, Maya, Yuzuru, Haruna, Takaaki, Ito, Koji
• Application Number:
  US12/180,965
• Publication Number:
  US 20080288812A1
• Time in Patent Office: Days
• US Class Current: 714/4
• CPC Class Codes: H04L 67/1001 for accessing one among a plurality of replicated servers
• CPC Class Codes: H04L 67/1008 based on parameters of servers, e.g. available memory or workload monitoring of computer activity G06F11/30
• CPC Class Codes: H04L 67/1034 Reaction to server failures by a load balancer
• CPC Class Codes: H04L 69/40 for recovering from a failure of a protocol instance or entity, e.g. service redundancy protocols, protocol state redundancy or protocol service redirection management of faults, events, alarms or notifications in data switching networks H04L41/06

Abstract

A cluster system including: a transmission side server cluster consisting of a plurality of computers; a receiving side server cluster consisting of a plurality of computers; and a network that interconnects both the transmission side server cluster and the receiving side server cluster, wherein an active-transmission computer which is included in the transmission side server cluster selects a standby-transmission computer from the computers in the transmission side server cluster, based on load information, and transmits a backup-copy of a message to the standby-transmission computer when the active-transmission computer transmits the message to a computer in the receiving side server, the stand-by transmission computer for back-up handling of the message in the event of occurrence of a fault in the active-transmission computer.

Claims

1. A cluster system comprising:

a transmission side server cluster consisting of a plurality of computers;

a receiving side server cluster consisting of a plurality of computers; and

a network that interconnects both the transmission side server cluster and the receiving side server cluster,

wherein an active-transmission computer which is included in the transmission side server cluster selects a standby-transmission computer from the computers in the transmission side server cluster, based on load information, and transmits a backup-copy of a message to the standby-transmission computer when the active-transmission computer transmits the message to a computer in the receiving side server, the stand-by transmission computer for back-up handling of the message in the event of occurrence of a fault in the active-transmission computer.