Run Samba in clustered mode with Ceph
Double Sure
Fail-safe is a massive topic for file server admins. Thanks to the CTDB and Ceph, you can put Samba in a cluster with minimal complications.
The popularity of Samba means file server admins have to think about how they can protect the service against loss. Samba is now mature and runs without any problems in most cases, but if the server on which Samba is running crashes, the service is no longer available.
The Samba developers are aware of the need for some fault tolerance and have responded to the problem with a genuine cluster option. Samba's cluster mode means you can use several Samba servers to process incoming requests. A single Samba server crash will not stop the show because other servers in the cluster will keep working.
Configuring Samba's cluster mode is not entirely intuitive, especially considering that the Samba cluster implementation has changed radically several times in the past few years. This article offers a quick look at high availability with Samba.
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