Couchdb failed: after adding a new couchdb node to the cluster

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Because it's running on ubuntu 14.04, re-installing couchdb2 results on version:2.1.1. Which is still the old version.
Steps I followed:

  1. stop coucdhb2 service
  2. delete couchdb installation folder: /usr/local/couchdb2
  3. remove coucdhb2 from the service: /etc/init.d/CouchDB
  4. install coucdhb2: `cchq echis aps --tags=couchdb2
    5.check the version of newly installed couuchdb:
    curl -XGET 172.19.3.40:15984
    {"couchdb":"Welcome","version":"2.1.1","features":["scheduler"],"vendor":{"name":"The Apache Software Foundation"}}