Ontap 9.1 Upgrade

Hi,

We upgraded system to ontap 9.1 on two node metrocluster.  One node upgraded succesfully but the other node version still showing 8.3.2 . 

When system opening it starting with 9.1 but after system opening system giving '

clusterA::*> version
NetApp Release 8.3.2: Wed Feb 24 03:29:11 UTC 2016

Info: The output from the version command above may not be correct because
      upgrade is in progress or has failed in one or more nodes in the cluster.
      Use the "upgrade-revert show" command in advanced mode to view the status
      of upgrade.

message.

We tried to upgrade-revert upgrade but it did not work.

I opened case but we could not solved yet. 

Thanks,

Tuncay