"tail -100 alter_dev.log" -- get below message :

ALTER DATABASE REGISTER LOGICAL LOGFILE '/devfin1/standbyArc/arch_1_30075.arc'
Sun Mar 20 19:42:47 2005
There are 1 logfiles specified.
ALTER DATABASE REGISTER LOGICAL LOGFILE
Completed: ALTER DATABASE REGISTER LOGICAL LOGFILE '/devfin1/
Sun Mar 20 19:43:06 2005
ALTER DATABASE REGISTER LOGICAL LOGFILE '/devfin1/standbyArc/arch_1_30076.arc'
Sun Mar 20 19:43:06 2005
There are 1 logfiles specified.
ALTER DATABASE REGISTER LOGICAL LOGFILE
Completed: ALTER DATABASE REGISTER LOGICAL LOGFILE '/devfin1/
Sun Mar 20 19:46:57 2005
ALTER DATABASE START LOGICAL STANDBY APPLY INITIAL 3180452738
Sun Mar 20 19:46:57 2005
ALTER DATABASE START LOGICAL STANDBY APPLY
with optional part
INITIAL 3180452738
LSP0 started with pid=15
Sun Mar 20 19:46:58 2005
Attempt to start background Logical Standby process
Completed: ALTER DATABASE START LOGICAL STANDBY APPLY INITIAL
Sun Mar 20 19:46:58 2005
LOGSTDBY event: ORA-16111: log mining and apply setting up