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Open-E DSS V6
Failover is an excellent way to implement High Availability. It is a work mode using two Open-E Data Storage Software V6 servers (primary and secondary). The secondary server, which has a full up-to-date copy of the data, takes over as the file server in the event of a primary server failure. The main goal of failover is to protect company server operation by intercepting I/O tasks and replacing the primary data server without interruption.
Failover begins with continuous moving of the data stored on the main server, to the secondary server. Data transfer is executed by volume replication on the iSCSI level. Data is sent from the primary to the secondary server in real time creating backup storage, therefore each change on the primary server is immediately reflected on the secondary server.
Example configuration and action is presented on the picture below:
How to configure DSS failover using Open-E DSS V6:
Step-by-Step Guide to Synchronous Volume Replication (Block Based) with Failover over a LAN Supported by Open-E® DSS™
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