Red Hat Bugzilla –
Attachment 1488875 Details for
Bug 1634005[OSP14] replace controller with corrupted disk failed with "overcloud.CephStorageServiceChain.ServiceChain.21:resource_type: OS::TripleO::Services::Timezone DBConnectionError: resources[21]: (pymysql.err.OperationalError) (2013, 'Lost connection to DB)