<[sambabg] ==== ====[plain] <[center] \Large '''SMB3''' [center]> [frame]> [sambabg]> ==== SMB3 ==== <[block]{SMB3 (2012) introduced SMB clustering:} * Clustering - Witness * Continuous Availability - Persistent Handles * Scale Out [block]> <[block]{Additionally:} * Transport encryption * Multi-Channel * RDMA transport (SMB Direct) [block]> ==== SMB Features - in Samba ==== * SMB 2.0: ** durable file handles [4.0] * SMB 2.1: ** multi-credit / large mtu [4.0] ** dynamic reauthentication [4.0] ** leasing [4.2] ** resilient file handles [PoC] * SMB 3.0: ** new crypto (sign/encrypt) [4.0] ** secure negotiation [4.0] ** durable file handles v2 [4.0] ** persistent file handles [design/PoC] ** multi-channel [4.4 (experimental)] ** SMB direct [design] ** cluster features [design] *** witness [WIP+] * SMB 3.0.2: [4.3] * SMB 3.1.1: ** negotiate contexts, preauth: [4.3] [frame]>