DBA Hub

📋Steps in this guide1/2

Convert Physical Standby To Snapshot Standby Using Dgmgrl

Follow the below steps to Convert Physical Standby To Snapshot Standby Using Dgmgrl :

oracle configurationintermediate
by OracleDba
12 views
1

Overview

Follow the below steps to Convert Physical Standby To Snapshot Standby Using Dgmgrl : Now the database is open in read write mode. So you can do any changes or testing on the database. Once your activity is done, you can revert it back to physical standby.

Code/Command (click line numbers to comment):

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
SQL> show parameter db_recovery

NAME                                 TYPE
------------------------------------ --------------------------------
VALUE
------------------------------
db_recovery_file_dest                string
+FRA
db_recovery_file_dest_size           big integer
200G
SQL> select flashback_on from v$database;

FLASHBACK_ON
------------------
NO


SQL> select open_mode from v$database;

OPEN_MODE
--------------------
READ ONLY WITH APPLY
SQL> alter database flashback on;
alter database flashback on
*
ERROR at line 1:
ORA-01153: an incompatible media recovery is active


SQL> recover managed standby database cancel;
Media recovery complete.
SQL> alter database flashback on;

Database altered.

SQL>  select flashback_on from v$database;

FLASHBACK_ON
------------------
YES


SQL> alter database recover managed standby database using current logfile disconnect from session;

Database altered.

DGMGRL>  show configuration

Configuration - dg_config_prim

  Protection Mode: MaxPerformance
  Members:
  PRIM      - Primary database
    PRIM    - Physical standby database
      Error: ORA-16810: multiple errors or warnings detected for the member


Fast-Start Failover: DISABLED

Configuration Status:
ERROR   (status updated 46 seconds ago)


DGMGRL> validate database PRIM

  Database Role:     Physical standby database
  Primary Database:  PRIM

  Ready for Switchover:  Yes
  Ready for Failover:    Yes (Primary Running)

  Flashback Database Status:
    PRIM  :  Off
    PRIM:  On
Managed by Clusterware:
    PRIM  :  YES
    PRIM:  YES

DGMGRL> show configuration

Configuration - dg_config_prim

  Protection Mode: MaxPerformance
  Members:
  PRIM      - Primary database
    PRIM    - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
SUCCESS   (status updated 6 seconds ago)

DGMGRL> convert database PRIM to snapshot standby;
Converting database "PRIM" to a Snapshot Standby database, please wait...
Database "PRIM" converted successfully
DGMGRL> show configuration

Configuration - dg_config_prim

  Protection Mode: MaxPerformance
  Members:
  PRIM      - Primary database
    PRIM    - Snapshot standby database

Fast-Start Failover: DISABLED

Configuration Status:
SUCCESS   (status updated 52 seconds ago)




SQL> select open_mode,database_role from v$database;

OPEN_MODE            DATABASE_ROLE
-------------------- ----------------
READ WRITE           SNAPSHOT STANDBY
2

Section 2

Code/Command (click line numbers to comment):

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
DGMGRL> convert database PRIM to physical standby;
Converting database "PRIM" to a Physical Standby database, please wait...
Operation requires a connection to database "ne"
Connecting ...
Connected to "PRIM"
Connected as SYSDBA.
Oracle Clusterware is restarting database "PRIM" ...
Connected to "PRIM"
Connected to "PRIM"
Continuing to convert database "PRIM" ...
Database "PRIM" converted successfully
DGMGRL>




DGMGRL> show configuration;

Configuration - dg_config_prim

  Protection Mode: MaxPerformance
  Members:
  PRIM      - Primary database
    PRIM    - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:
SUCCESS   (status updated 4 seconds ago)

DGMGRL>

Comments (0)

Please to add comments

No comments yet. Be the first to comment!