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Context-based failover architecture for redundant servers

  • US 5,996,086 A
  • Filed: 10/14/1997
  • Issued: 11/30/1999
  • Est. Priority Date: 10/14/1997
  • Status: Expired due to Term
First Claim
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1. In a redundant server network system comprising a local server and a remote server belonging to a common failover group, a method for providing failover services for said remote server if said remote server fails, said method comprising the steps of:

  • creating and initializing a local server context based on local server configuration information associated with said local server that is stored on a first storage device;

    activating said local server context;

    becoming aware of a failure of said remote server;

    acquiring a second storage device;

    reading remote server configuration information associated with said remote server that is stored on said second storage device;

    creating and initializing a failover context based on said remote server configuration information read from said second storage device;

    activating said failover context; and

    executing a server process on said local server which operates on, and makes decisions based upon, activated ones of said local server context and said failover context.

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