ORA-00286: no members available, or no member contains valid data
What triggered the Error:
None of the members of a redo log file group are available, or the available members do not contain complete data.What should we do to fix it:
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.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board