•V$DATAGUARD_STATS：显示dataguard统计信息
备库
SQL> select * from v$dataguard_stats; NAME VALUE UNIT TIME_COMPUTED DATUM_TIME
-------------------------------- ------------------------- ------------------------------ ------------------------------ ------------------------------
transport lag +00 00:00:00 day(2) to second(0) interval 04/17/2016 06:35:53 04/17/2016 06:35:52
apply lag +00 00:00:00 day(2) to second(0) interval 04/17/2016 06:35:53 04/17/2016 06:35:52
apply finish time day(2) to second(3) interval 04/17/2016 06:35:53
estimated startup time 18 second 04/17/2016 06:35:53 SQL>
•v$managed_standby：显示physical standby数据库后台进程的当前状态
主库
SQL> select * from v$managed_standby ; PROCESS PID STATUS CLIENT_PROCESS CLIENT_PID CLIENT_DBID GROUP# RESETLOG_ID THREAD# SEQUENCE# BLOCK# BLOCKS DELAY_MINS KNOWN_AGENTS ACTIVE_AGENTS
--------- ---------- -------------- ---------------- ------------ ---------------- ------------ ----------- ---------- ---------- ---------- ---------- ---------- ------------ -------------
ARCH 2912 CLOSING ARCH 2912 1390893779 1 863113045 1 7032 63488 606 0 0 0
ARCH 2916 CONNECTED ARCH 2916 1390893779 N/A 0 0 0 0 0 0 0 0
ARCH 2920 CLOSING ARCH 2920 1390893779 2 863113045 1 7033 53248 1229 0 0 0
ARCH 2924 CLOSING ARCH 2924 1390893779 3 863113045 1 7031 61440 69 0 0 0
LNS 2928 WRITING LNS 2928 1390893779 3 863113045 1 7034 29477 1 0 0 0 SQL> 备库
SQL> select * from v$managed_standby ; PROCESS PID STATUS CLIENT_PROCESS CLIENT_PID CLIENT_DBID GROUP# RESETLOG_ID THREAD# SEQUENCE# BLOCK# BLOCKS DELAY_MINS KNOWN_AGENTS ACTIVE_AGENTS
--------- --------- --------------- ---------------- ---------- ----------------- ----------- ----------- ---------- ---------- ---------- ---------- ---------- ------------ -------------
ARCH 3044 CLOSING ARCH 3044 1390893779 6 863113045 1 7030 79872 63 0 0 0
ARCH 2612 CLOSING ARCH 2612 1390893779 6 863113045 1 7031 61440 69 0 0 0
ARCH 1348 CONNECTED ARCH 1348 1390893779 N/A 0 0 0 0 0 0 0 0
ARCH 2736 CLOSING ARCH 2736 1390893779 7 863113045 1 7032 63488 606 0 0 0
ARCH 816 CLOSING ARCH 816 1390893779 6 863113045 1 7033 53248 1229 0 0 0
RFS 680 IDLE UNKNOWN 2916 1390893779 N/A 0 0 0 0 0 0 0 0
RFS 1620 IDLE UNKNOWN 2924 1390893779 N/A 0 0 0 0 0 0 0 0
MRP0 800 WAIT_FOR_LOG N/A N/A N/A N/A 863113045 1 7034 0 0 0 9 9
RFS 484 IDLE LGWR 2928 1390893779 3 863113045 1 7034 29050 1 0 0 0
RFS 900 IDLE UNKNOWN 2912 1390893779 N/A 0 0 0 0 0 0 0 0 已选择10行。 SQL>
•v$standby_apply_snapshot：显示当前应用重做数据的速度
SQL> select to_char(snapshot_time,'dd-mon-rr hh24:mi:ss') snapshot_time, thread#, sequence#, applied_scn,apply_rate from V$standby_apply_snapshot; SNAPSHOT_TIME THREAD# SEQUENCE# APPLIED_SCN APPLY_RATE
--------------------- --------- ----------- --------------- ----------
15-05-08 15:45:08 1 31527 3273334169433 68234
15-05-08 15:45:08 2 23346 3273334169449 68234 SQL>
•v$recovery_progress：跟踪database recovery操作，并评估当前完成当前正在执行的操作所需的时间
SQL> select * from V$RECOVERY_PROGRESS; START_TIM TYPE ITEM UNITS SOFAR TOTAL TIMESTAMP COMMENTS
--------- ------------------------- -------------------------------- -------------------- ---------- ---------- --------- ------------------------------
17-APR-16 Media Recovery Log Files Files 2 0
17-APR-16 Media Recovery Active Apply Rate KB/sec 0 0
17-APR-16 Media Recovery Average Apply Rate KB/sec 3 0
17-APR-16 Media Recovery Maximum Apply Rate KB/sec 0 0
17-APR-16 Media Recovery Redo Applied Megabytes 13 0
17-APR-16 Media Recovery Last Applied Redo SCN+Time 0 0 17-APR-16 SCN: 1036677
17-APR-16 Media Recovery Active Time Seconds 13 0
17-APR-16 Media Recovery Apply Time per Log Seconds 0 0
17-APR-16 Media Recovery Checkpoint Time per Log Seconds 0 0
17-APR-16 Media Recovery Elapsed Time Seconds 3656 0 10 rows selected. SQL>
•v$log_history：显示log history，该信息来自控制文件
•v$archived_gap：显示备库的archive gaps信息
•v$asm_diskgroup
•v$database
•v$archive_dest