• This is what has been reported by the cluster status log: 
• 
  
• 20:01:14 - Master starting
• 20:01:16 - Trouble getting volume reference for volume vol-91cfd1cb: EC2ResponseError: 400 Bad RequestInvalidVolume.NotFoundThe volume 'vol-91cfd1cb' does not exist.9179663c-c5ec-4e90-88ff-ecf606b5e9a6
• 20:01:16 - Attempting to connect to a non-existent volume vol-91cfd1cb
• 20:01:16 - Error processing filesystems in existing cluster configuration: 'NoneType' object has no attribute '__getitem__'
• 20:01:16 - ***** Manager failed to start *****