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Wednesday, September 23 • 3:05pm - 3:55pm
Calling the Witness: SMB3 Failover with Samba/CTDB

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An SMB3 File Server is not complete without the Witness service. Samba is currently developing support for this DCE/RPC service that allows for Continuous Availability (CA), a much more robust, fine-grained and seamless mechanism for client failover in clustered environments. This talk will outline the current implementation within Samba, the relationship with CTDB, challenges faced in development, and the planned integration with other projects like the CIFS kernel client and Pacemaker. This talk will also include a live demonstration showcasing the Witness infrastructure, it's role in CA, and how it can be controlled from a remote application.

Learning Objectives

How Witness works and what it does
How to achieve a seamless file sharing experience for SMB3 clients
How to deal programmatically with failover in clustered Samba environments

avatar for José Rivera

José Rivera

Software Engineer, Red Hat / Samba Team
José Rivera spends his time at Red Hat working on improving clustered Samba and integrating Samba with distributed filesystems and clustered resource managers. Prior to Red Hat he was part of the team responsible for creating and overhauling the official SMB1 specifications ([MS-CIFS... Read More →

Wednesday September 23, 2015 3:05pm - 3:55pm PDT
San Tomas / Lawrence Room

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