Add the assignment about quorum

[refs #213244331dae]
learndocker · May 5, 2018 · 09c28ab · 09c28ab
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+## Losing quorum
+* Setup 3 manager nodes
+* Setup 2 additional worker nodes
+* Create a few services
+  * So that tasks are running on all nodes
+* Shutdown 2 of the managers
+  * Can you still interact with the Swarm?
+* Turn the 2 nodes back on
+  * Will quorum be restored?
+* Shutdown the 2 nodes again
+* Create a new Swarm with the data from the remaining node
+  * Are your services still there?
+  * Are your workers still there?