How to open a active dataguard?

Hello,
I have an Active DataGuard, Oracle version 11.2.0.3 and Solaris 10.
I have to do a test on the Active DataGuard environment, I want to open this database to run multiple scripts DML. At the end I must return to the DataGuard active as it was before the opening to continue with normal operation.
I appreciate the document indicate commands or procedure I should run to do this activity.
regards,
Milton

Hello;
SQL> SELECT database_role, open_mode FROM v$database;
SQL> alter database recover managed standby database cancel;
SQL> alter database open;
SQL> alter database recover managed standby database disconnect from session;
SQL> select process,status,sequence# from v$managed_standby;
If you have Data Guard Broker setup then
DGMGRL > edit database physt set state=apply-off;
SYS@physt > alter database open read only;
DGMGRL > edit database physt set state=apply-on;Best Regards
mseberg
Edited by: mseberg on Oct 3, 2012 3:12 PM

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        23 5phgg8btvhh6p WAITING
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        30 8hxuagk22f8jz WAITING
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SCHEMA2                    TAB1                     4547          0       4022
SCHEMA3                    TAB1                     4612          0       4152
SCHEMA4                    TAB1                     4628          0       3940
SCHEMA5                    TAB1                     4719          0       4258
SCHEMA6                    TAB1                     4809          0       4292
SCHEMA7                    TAB1                     4853          0       4356
SCHEMA8                    TAB1                     5049          0       4536
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SCHEMA2                    TAB2                        26728          0      27565
SCHEMA3                    TAB2                        27403          0      27763
SCHEMA4                    TAB2                        27500          0      28149
SCHEMA5                    TAB2                        28408          0      30440
SCHEMA6                    TAB2                        30453          0      31906
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SCHEMA8                    TAB2                        32875          0      34670 But confused about Why there could sudden spike of demand on UNDO data in Active Data Guard ? Could any one please shed some lights on finding the reason for this issue ?

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Also check this note, Heresome work around provided.
*Resolving Intense and "Random" Buffer Busy Wait Performance Problems [ID 155971.1]*

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2809 16-APR-13 16-APR-13
2809 16-APR-13 16-APR-13
2810 16-APR-13 16-APR-13
2810 16-APR-13 16-APR-13
2810 16-APR-13 16-APR-13
2811 16-APR-13 16-APR-13
2811 16-APR-13 16-APR-13
2811 16-APR-13 16-APR-13
2812 16-APR-13 16-APR-13
2812 16-APR-13 16-APR-13
2812 16-APR-13 16-APR-13
2813 16-APR-13 16-APR-13
2813 16-APR-13 16-APR-13
2814 16-APR-13 16-APR-13
2814 16-APR-13 16-APR-13
2815 16-APR-13 16-APR-13
2815 16-APR-13 16-APR-13
2816 16-APR-13 16-APR-13
2816 16-APR-13 16-APR-13
2817 16-APR-13 16-APR-13
2817 16-APR-13 16-APR-13
2818 16-APR-13 16-APR-13
2818 16-APR-13 16-APR-13
2819 16-APR-13 16-APR-13
2819 16-APR-13 16-APR-13
2820 16-APR-13 16-APR-13
2820 16-APR-13 16-APR-13
2821 16-APR-13 16-APR-13
2821 16-APR-13 16-APR-13
2822 16-APR-13 16-APR-13
2822 16-APR-13 16-APR-13
2823 16-APR-13 16-APR-13
2823 16-APR-13 16-APR-13
2824 16-APR-13 16-APR-13
2824 16-APR-13 16-APR-13
2825 16-APR-13 16-APR-13
2825 16-APR-13 16-APR-13
2826 16-APR-13 16-APR-13
2826 16-APR-13 16-APR-13
2827 16-APR-13 16-APR-13
2827 16-APR-13 16-APR-13
2828 16-APR-13 16-APR-13
2828 16-APR-13 16-APR-13
2829 16-APR-13 16-APR-13
2829 16-APR-13 16-APR-13
2830 16-APR-13 16-APR-13
2830 16-APR-13 16-APR-13
2831 16-APR-13 16-APR-13
2831 16-APR-13 16-APR-13
2832 16-APR-13 16-APR-13
2832 16-APR-13 16-APR-13
2833 16-APR-13 16-APR-13
2833 16-APR-13 16-APR-13
2834 16-APR-13 16-APR-13
2834 16-APR-13 16-APR-13
2835 16-APR-13 16-APR-13
2835 16-APR-13 16-APR-13
2836 16-APR-13 16-APR-13
2836 16-APR-13 16-APR-13
2837 16-APR-13 16-APR-13
2837 16-APR-13 16-APR-13
2838 16-APR-13 16-APR-13
2838 16-APR-13 16-APR-13
2839 16-APR-13 16-APR-13
2839 16-APR-13 16-APR-13
2840 16-APR-13 16-APR-13
2840 16-APR-13 16-APR-13
2841 16-APR-13 16-APR-13
2841 16-APR-13 16-APR-13
2842 16-APR-13 16-APR-13
2842 16-APR-13 16-APR-13
2843 16-APR-13 16-APR-13
2843 16-APR-13 16-APR-13
2844 16-APR-13 16-APR-13
2844 16-APR-13 16-APR-13
2845 16-APR-13 16-APR-13
2845 16-APR-13 16-APR-13
2846 16-APR-13 16-APR-13
2846 16-APR-13 16-APR-13
Check the new archived redo log has arrived at the standby server and been applied.
SELECT sequence#, first_time, next_time, applied
FROM v$archived_log
ORDER BY sequence#;
2801 15-APR-13 15-APR-13 YES
2801 15-APR-13 15-APR-13 YES
2802 15-APR-13 15-APR-13 YES
2802 15-APR-13 15-APR-13 YES
2803 15-APR-13 15-APR-13 YES
2803 15-APR-13 15-APR-13 YES
2804 15-APR-13 15-APR-13 YES
2804 15-APR-13 15-APR-13 YES
2805 15-APR-13 15-APR-13 YES
2805 15-APR-13 15-APR-13 YES
2806 15-APR-13 15-APR-13 YES
2806 15-APR-13 15-APR-13 YES
2807 15-APR-13 15-APR-13 YES
2807 15-APR-13 15-APR-13 YES
2808 15-APR-13 16-APR-13 YES
2808 15-APR-13 16-APR-13 YES
2809 16-APR-13 16-APR-13 YES
2809 16-APR-13 16-APR-13 YES
2810 16-APR-13 16-APR-13 YES
2810 16-APR-13 16-APR-13 YES
2811 16-APR-13 16-APR-13 YES
2811 16-APR-13 16-APR-13 YES
2812 16-APR-13 16-APR-13 IN-MEMORY
2812 16-APR-13 16-APR-13 YES
So could anyone help me to resolve this issue. Anticipating your response at the earliest.
Regards,
VIKHAR
Edited by: VIKHARAHMED on Apr 16, 2013 9:38 AM

Here is the alert log file
Media Recovery Log +FLASHDG/stby/archivelog/2013_04_16/thread_2_seq_1476.1987.812900733
Tue Apr 16 18:56:42 2013
Primary database is in MAXIMUM PERFORMANCE mode
RFS[1]: Assigned to RFS process 16803
RFS[1]: Selected log 12 for thread 2 sequence 1485 dbid 220323208 branch 808484882
Tue Apr 16 18:56:42 2013
RFS[2]: Assigned to RFS process 16807
RFS[2]: Opened log for thread 2 sequence 1484 dbid 220323208 branch 808484882
Archived Log entry 6324 added for thread 2 sequence 1484 rlc 808484882 ID 0xd21a288 dest 10:
Tue Apr 16 19:09:02 2013
RFS[1]: Selected log 11 for thread 2 sequence 1486 dbid 220323208 branch 808484882
Tue Apr 16 19:09:02 2013
Archived Log entry 6325 added for thread 2 sequence 1485 ID 0xd21a288 dest 1:
Archived Log entry 6326 added for thread 2 sequence 1485 ID 0xd21a288 dest 2:
Tue Apr 16 19:12:23 2013
RFS[1]: Selected log 12 for thread 2 sequence 1487 dbid 220323208 branch 808484882
Tue Apr 16 19:12:23 2013
Archived Log entry 6327 added for thread 2 sequence 1486 ID 0xd21a288 dest 1:
Archived Log entry 6328 added for thread 2 sequence 1486 ID 0xd21a288 dest 2:
Tue Apr 16 19:14:41 2013
"alert_stby.log" 845L, 33990C 782,1 94%
Tue Apr 16 19:17:27 2013
Archived Log entry 6331 added for thread 2 sequence 1488 ID 0xd21a288 dest 1:
Archived Log entry 6332 added for thread 2 sequence 1488 ID 0xd21a288 dest 2:
Tue Apr 16 19:25:51 2013
RFS[1]: Selected log 11 for thread 2 sequence 1490 dbid 220323208 branch 808484882
Tue Apr 16 19:25:51 2013
Archived Log entry 6333 added for thread 2 sequence 1489 ID 0xd21a288 dest 1:
Archived Log entry 6334 added for thread 2 sequence 1489 ID 0xd21a288 dest 2:
Tue Apr 16 19:51:02 2013
RFS[1]: Selected log 12 for thread 2 sequence 1491 dbid 220323208 branch 808484882
Tue Apr 16 19:51:02 2013
Archived Log entry 6335 added for thread 2 sequence 1490 ID 0xd21a288 dest 1:
Archived Log entry 6336 added for thread 2 sequence 1490 ID 0xd21a288 dest 2:
Tue Apr 16 20:37:12 2013
RFS[1]: Selected log 11 for thread 2 sequence 1492 dbid 220323208 branch 808484882
Tue Apr 16 20:37:12 2013
Archived Log entry 6337 added for thread 2 sequence 1491 ID 0xd21a288 dest 1:
Archived Log entry 6338 added for thread 2 sequence 1491 ID 0xd21a288 dest 2:
Tue Apr 16 21:08:23 2013
RFS[1]: Selected log 12 for thread 2 sequence 1493 dbid 220323208 branch 808484882
Tue Apr 16 21:08:23 2013
Archived Log entry 6339 added for thread 2 sequence 1492 ID 0xd21a288 dest 1:
Archived Log entry 6340 added for thread 2 sequence 1492 ID 0xd21a288 dest 2:
Tue Apr 16 22:16:06 2013
RFS[1]: Selected log 11 for thread 2 sequence 1494 dbid 220323208 branch 808484882
Tue Apr 16 22:16:06 2013
Archived Log entry 6341 added for thread 2 sequence 1493 ID 0xd21a288 dest 1:
Archived Log entry 6342 added for thread 2 sequence 1493 ID 0xd21a288 dest 2:
Tue Apr 16 22:31:46 2013
RFS[1]: Selected log 12 for thread 2 sequence 1495 dbid 220323208 branch 808484882
Tue Apr 16 22:31:46 2013
Archived Log entry 6343 added for thread 2 sequence 1494 ID 0xd21a288 dest 1:
Archived Log entry 6344 added for thread 2 sequence 1494 ID 0xd21a288 dest 2:
Wed Apr 17 09:31:59 2013
RFS[1]: Selected log 11 for thread 2 sequence 1496 dbid 220323208 branch 808484882
Wed Apr 17 09:32:00 2013
Archived Log entry 6345 added for thread 2 sequence 1495 ID 0xd21a288 dest 1:
Archived Log entry 6346 added for thread 2 sequence 1495 ID 0xd21a288 dest 2:

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