We are facing critical issue in cinder. Cinder-volume service is getting displayed in cinder service-list.Status of the service is down.

Found the below error in cinder-volume.log file

2016-06-10 12:18:41.640 147401 WARNING cinder.volume.manager [req-f4a52181-ea6c-40fd-9779-e480a1145a69 - - - - -] Update driver status failed:  is uninitialized.
2016-06-10 12:18:45.236 147401 ERROR cinder.service [-] Manager for service cinder-volume pun01cloud01.ad.infosys.com is reporting problems, not sending heartbeat. Service will appear "down".
2016-06-10 12:18:55.238 147401 ERROR cinder.service [-] Manager for service cinder-volume pun01cloud01.ad.infosys.com is reporting problems, not sending heartbeat.

When we are restarting metadata service, volume service will be UP after it stops executing status of the service will go down.

Please help with this issue.

Thank u