update smb3 part
[obnox/slides/2016-04-vault.git] / smb3.wiki
index 51e47b6..ce1e0f4 100644 (file)
--- a/smb3.wiki
+++ b/smb3.wiki
@@ -1,3 +1,15 @@
+<[sambabg]
+
+==== ====[plain]
+
+<[center]
+\Large
+'''SMB3'''
+[center]>
+
+[frame]>
+[sambabg]>
+
 ==== SMB3 ====
 
 <[block]{SMB3 (2012) introduced SMB clustering:}
 * SMB 3.0:
 ** new crypto (sign/encrypt) [4.0]
 ** secure negotiation [4.0]
-** durable handles v2 [4.0]
-** persistent file handles [planning/PoC]
+** durable file handles v2 [4.0]
+** persistent file handles [design/PoC]
 ** multi-channel [4.4 (experimental)]
-** SMB direct [designed/starting]
-** cluster features [designing]
+** SMB direct [design]
+** cluster features [design]
 *** witness [WIP+]
+* SMB 3.0.2: [4.3]
 * SMB 3.1.1:
-** basic support [4.3]
-
-
-==== Witness - General ====
-
-New DCE/RPC Service to “witness” availability of other services, in particular SMB3 connections
-* Prompt and explicit notifications about failures in highly available systems
-* Allows Continuous Availability of SMB shares in clustered environments (together with persistent handles)
-* Controlled way of dealing with reconnects instead of detecting failures due to timeouts
-* Available since SMB3 (Windows 8 / Windows Server 2012)
-* More advanced failover mechanism than Tickle-ACK that is used within CTDB
-
-%%% ==== Witness - Failover with SMB3 in a Samba/CTDB cluster ====
-%%% 
-%%% -<1>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step0.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<2>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step1.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<3>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step2a.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<4>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step2b.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<5>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step3a.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<6>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step3b.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<7>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step4.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-%%% 
-%%% -<8>{
-%%% <[center]
-%%% <<<design-ctdb-three-nodes-with-witness-step5.png, width=.95\textwidth>>>
-%%% [center]>
-%%% }
-
-==== Witness - Samba ====
-
-Currently under development in Samba
-* PoC implementation available
-* Currently on hold until new DCE/RPC async infrastructure is available
-* {\footnotesize @https://wiki.samba.org/index.php/Samba3/ \\ %
-   SMB2\#Witness\_Notification\_Protocol@}
-* WIP branch: \\ %
-  {\footnotesize @https://git.samba.org/?p=gd/samba/.git;a=shortlog; \\ %
-   h=refs/heads/master-witness@}
-
-Samba Witness service will cause Windows clients to reconnect:
-* when client admin tool is used
-* when CTDB (or any other cluster resource control manager) moves resources or IP addresses
-
-==== What's next ? ====
+** negotiate contexts, preauth: [4.3]
 
-* SMB3 Multichannel (in Samba 4.4)
-* SMB3 DCE/RPC Witness service
-* SMB3 Persistent Handles / CA
-* SMB Direct (SMB3 over RDMA)
-* Multi-Protocol access (NFS,SMB...)
-* SMB2+ Unix Extensions
+[frame]>