×

Clustered client failover

  • US 8,788,579 B2
  • Filed: 09/09/2011
  • Issued: 07/22/2014
  • Est. Priority Date: 09/09/2011
  • Status: Active Grant
First Claim
Patent Images

1. A method of providing continuous access to a resource, the method comprising:

  • receiving a first request to access a resource by a process, wherein the request is received from a first client in a client cluster;

    associating a first application instance identifier with the resource;

    granting the first request to access the resource;

    receiving a second request to access the resource by the process after loss of connection with the first client, wherein the second request is received from a second client in the client cluster and the second client is different from the first client;

    receiving a second application instance identifier associated with the second request;

    determining that the first and second application instance identifiers are the same; and

    invalidating the first request, wherein invalidating the first request comprises;

    determining that the resource is not located on the first node that receives the second request;

    sending a request to a second node to invalidate the resource; and

    granting the second request to access the resource on the first node.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×