Oracle® Database 11g / 12c / 18c error codes ORA-00286: no members available, or no member contains valid data
ORA-00286: no members available, or no member contains valid data
Oracle Error Code: ORA-00286
Cause: None of the members of a redo log file group are available, or the available members do not contain complete data.
Action: If a member is temporarily offline, attempt to make it available. Make sure that the correct filenames are being used, especially if the redo log file is being accessed from a remote location.