KSFV I/O slave Ic01 dp=0x132e70f9f3 exiting

This is just an informational message written in the alert log when you have set either of the following parameters in the database parameter file other than its default value.

Alert message:

KSFV I/O slave Ic01 dp=0x132e70f9f3 exiting

The alert message just indicates the startup and shutdown of backup i/o slave processes.

Default values :

SQL> show parameter slave

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
backup_tape_io_slaves                boolean     FALSE
dbwr_io_slaves                       integer     0
SQL>

Non-default values:

BACKUP_TAPE_IO_SLAVES = TRUE

or

DBWR_IO_SLAVES > 0

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