SMB Witness Service in Samba

Samba 4.20 will ship with rpcd_witness, which provides a service for MS-SWN within a ctdb cluster. This service can be used by a client in order to monitor cluster nodes and gives an administrator the chance to move specific connection to another node. The talk explains the current state, the design and some strange things a Windows client is doing.

Stefan Metzmacher
SerNet GmbH
Abstract

Samba 4.20 will ship with rpcd_witness, which provides a service for MS-SWN within a ctdb cluster. This service can be used by a client in order to monitor cluster nodes and gives an administrator the chance to move specific connection to another node. The talk explains the current state, the design and some strange things a Windows client is doing.

Learning Objectives

How the design looks like.
What the current implementation status is. 
What challenges we are hitting in Windows interop.

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