https://jameshuangsj.wordpress.com/2017/09/05/ora-15001-diskgroup-data-does-not-exist-or-is-not-mounted-ora-15040-diskgroup-is-incomplete/ ORA-15001: diskgroup does not exist or is not mounted. ORA-15040: diskgroup is incomplete restore…

Issues 1>Concurrent manager was not starting https://moreappsdba.blogspot.com/2017/05/cm-was-not-coming-up-even-while-taking.html Concurrent Managers Fail to Start: “insert_fcp failed due…