Thu Feb 13 23:46:44 2014
Thread 1 advanced to log sequence 25 (LGWR switch)
Current log# 3 seq# 25 mem# 0: /u01/app/oracle/oradata/dbserver/redo03.log
Thu Feb 13 23:46:44 2014
LNS: Standby redo logfile selected for thread 1 sequence 25 for destination LOG_ARCHIVE_DEST_2
Thu Feb 13 23:57:59 2014
Thread 1 advanced to log sequence 26 (LGWR switch)
Current log# 2 seq# 26 mem# 0: /u01/app/oracle/oradata/dbserver/redo02.log
Thu Feb 13 23:57:59 2014
LNS: Standby redo logfile selected for thread 1 sequence 26 for destination LOG_ARCHIVE_DEST_2
Thu Feb 13 23:58:00 2014
Thread 1 advanced to log sequence 27 (LGWR switch)
Current log# 1 seq# 27 mem# 0: /u01/app/oracle/oradata/dbserver/redo01.log
Thu Feb 13 23:58:00 2014
LNS: Standby redo logfile selected for thread 1 sequence 27 for destination LOG_ARCHIVE_DEST_2
Thu Feb 13 23:58:00 2014
Thread 1 cannot allocate new log, sequence 28
Checkpoint not complete
Current log# 1 seq# 27 mem# 0: /u01/app/oracle/oradata/dbserver/redo01.log
Thu Feb 13 23:58:05 2014
Thread 1 advanced to log sequence 28 (LGWR switch)
Current log# 3 seq# 28 mem# 0: /u01/app/oracle/oradata/dbserver/redo03.log
LNS: Standby redo logfile selected for thread 1 sequence 28 for destination LOG_ARCHIVE_DEST_2
*********************************************
--standby alert.log
[oracle@dgstb bdump]$ tail -f alert_standby.log
Mem# 0: /u01/app/oracle/oradata/standby/standby01.log
Thu Feb 13 23:58:05 2014
Primary database is in MAXIMUM PERFORMANCE mode
RFS[7]: Successfully opened standby log 4: '/u01/app/oracle/oradata/standby/standby01.log'
Thu Feb 13 23:58:06 2014
Media Recovery Log /arch/ARC0000000027_0839199018.0001
Media Recovery Waiting for thread 1 sequence 28 (in transit)
Thu Feb 13 23:58:06 2014
Recovery of Online Redo Log: Thread 1 Group 4 Seq 28 Reading mem 0
Mem# 0: /u01/app/oracle/oradata/standby/standby01.log