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    • Oracle database fails to be opened with the error "unable to lock file - already in use"
      https://kb.netapp.com/on-prem/ontap/da/NAS/NAS-KBs/Oracle_database_fails_to_be_opened_with_the_error_unable_to_lock_file_already_in_use
      Applies to Oracle hosts Issue Oracle database fails to be opened with the error "unable to lock file - already in use". Example: ALTER DATABASE MOUNT ORA-00210: cannot open the specified control file ...Applies to Oracle hosts Issue Oracle database fails to be opened with the error "unable to lock file - already in use". Example: ALTER DATABASE MOUNT ORA-00210: cannot open the specified control file ORA-00202：control file:'/oradata2/datafile/UCND0005/controlfile/control02.ctl' ORA-27086: unable to lock file - already in use