ORA-00444，ORA-07446故障排查 【转】
phenomenon
startup
ORA-00444: background process “MMAN” failed while starting
ORA-07446: sdnfy: bad value ” for parameter .
Problem
The path to bdump,adump or udump does not exist. Oracle itself does not
create any path if a path does not exist. So, you have to change the
value of user_dump_dest in the initialize parameter.
Solution
If you use pfile to start your database then edit the pfile with any
editor (for example vi on unix) and either change the location of
user_dump_dest or remove the parameter user_dump_dest from pfile. And
then perform. startup.
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