How to switch oracle 10g physical standby
This article introduces you how to switch oracle 10g physical standby, the content is very detailed, interested friends can refer to, hope to be helpful to you.
Primary library operation:
SQL > select name,open_mode,protection_mode,database_role from v$database
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--
YGH READ WRITE MAXIMUM PERFORMANCE PRIMARY
SQL > alter database commit to switchover to physical standby with session shutdown
Database altered.
SQL > shutdown immediate
ORA-01507: database not mounted
ORACLE instance shut down.
SQL > startup nomount
ORACLE instance started.
Total System Global Area 264241152 bytes
Fixed Size 1218868 bytes
Variable Size 88082124 bytes
Database Buffers 171966464 bytes
Redo Buffers 2973696 bytes
SQL > alter database mount standby database
Database altered.
SQL > alter database recover managed standby database disconnect from session
Database altered.
SQL > select name,open_mode,protection_mode,database_role from v$database
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--
YGH MOUNTED MAXIMUM PERFORMANCE PHYSICAL STANDBY
Standby library operation:
SQL > select name,open_mode,protection_mode,database_role from v$database
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--
YGH MOUNTED MAXIMUM PERFORMANCE PHYSICAL STANDBY
SQL > alter database commit to switchover to primary
Database altered.
SQL > shutdown immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
SQL > startup
ORACLE instance started.
Total System Global Area 264241152 bytes
Fixed Size 1218868 bytes
Variable Size 88082124 bytes
Database Buffers 171966464 bytes
Redo Buffers 2973696 bytes
Database mounted.
Database opened.
SQL > select name,open_mode,protection_mode,database_role from v$database
NAME OPEN_MODE PROTECTION_MODE DATABASE_ROLE
--
YGH READ WRITE MAXIMUM PERFORMANCE PRIMARY
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