Description of problem:
Try placing a node in maintenance which has entries to be healed. User gets a operation cancelled message with error "Error while executing action: Cannot switch the following Host(s) to Maintenance mode: ${HostsList}. Gluster Quorum will be lost for the Volumes: ${VolumesList}

Version-Release number of selected component (if applicable):


How reproducible:
Always

Steps to Reproduce:
1. Have three nodes named S1,S2 and S3 in the cluster.
2. Have three arbiter / replica 3 volumes vmstore, data and engine
3. Now on the third node S3, bring down bricks from all the volumes
4. Try placing second / first node into maintenance

Actual results:
Placing first or second node into maintenance gives error saying "Error while executing action: Cannot switch the following Host(s) to Maintenance mode: ${HostsList}. Gluster Quorum will be lost for the Volumes: ${VolumesList}"

Expected results:
Replace the variables with the correct values.

Additional info: