From 44d5ad04bb548aefb0394eda86b418e70491c7ca Mon Sep 17 00:00:00 2001 From: David Yu Date: Fri, 16 Sep 2016 15:56:50 -0700 Subject: [PATCH] adding explicit instructions to use same engine version (cherry picked from commit 5f5c931ff99968ee8adf420d43856b964f93e680) --- installation/install-production.md | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/installation/install-production.md b/installation/install-production.md index e945f07c69..012d496bf1 100644 --- a/installation/install-production.md +++ b/installation/install-production.md @@ -26,11 +26,16 @@ infrastructure has all the [requirements UCP needs to run](system-requirements.m ## Step 2: Install CS Docker on all nodes -UCP requires you to install Docker CS Engine 1.10 or above on all nodes of -your UCP cluster. +UCP is a containerized application that requires CS Docker Engine 1.10.0 or +above to run. It is recommended to install the exact same version of the +CS Docker Engine on all nodes. -[Install CS Docker Engine](https://docs.docker.com/docker-trusted-registry/cs-engine/install/) -on each host that you want to be part of the UCP cluster. +So on each host that you want to be part of the UCP cluster, +[install CS Docker Engine 1.10.0 or above](https://docs.docker.com/docker-trusted-registry/cs-engine/install/). +In the case where you are creating a VM template with CS Engine already +installed, make sure that `/etc/docker/key.json` is not included in the image. +You can do this by simply removing `/etc/docker/key.json`. You can then restart +Docker on each node, which will generate new `/etc/docker/key.json` files. ## Step 3: Customize named volumes