Side-by-side installation possible?

We've got an existing installation of Couchbase Server 1.8, is it possible to install the newest version 2.1 side-by-side on the same servers just using a different IP and/or port?

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Hi,

I don't think that this works as you would expect. What you can do is to do a rolling upgrade by swap-rebalancing 1.8.1 nodes out and 2.1.0 nodes in. If you want to run it side-by-side I'd really recommend running it on separate machines.