Patent ID: 9639439
Date: 2017-05-02
CPC Classifications: G06F,H04L

Claim:
1. A method comprising: causing replication of an instance of a first database in a first data center of a managed cloud of a particular customer network to a second data center of the managed cloud of the particular customer network; causing mirroring of an instance of a first application in the first data center to the second data center, thereby replicating completely any application setup and/or file system structure to the second data center; storing state information regarding the first application in a network file system in the first data center; directing interactions between a user and the first application to the instance of the first application in the first data center; updating the state information based on the interactions, the updating being performed on a database level as well as on an application-specific repository level; causing replication to the second data center of any changes to the instance of the first database based on the interactions; causing replication to the second data center of any changes to an instance of the first Application specific repository level based on the interactions; detecting a disaster in the first data center; and in response to the detecting of the disaster, redirecting all interactions between the user and the first application to a second instance of the first application in the second data center caused by the replication of the instance of the first application in the first data center, after making them the primary once in the course of the failover, wherein the method is performed during business operations of the first data center, thus allowing continuous disaster recovery testing without business interruption.