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A LITTLE EFFORT EVERY DAY.YOU WILL MAKE A BIG DIFFERENCE.
一、修改数据库属性
EDIT DATABASE 'South_Sales' SET PROPERTY 'LogArchiveFormat'='log_%t_%s_%r_%d.arc';
二、操作步骤
2.1查看DG状态
dgmgrl /
DGMGRL> show configuration;
Configuration - dg_config
Protection Mode: MaxAvailability
Members:
orcl - Primary database
orcldg - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS (status updated 55 seconds ago)
2.2查看DG属性
DGMGRL> show database verbose orcldg;
Database - orcldg
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds (computed 1 second ago)
Apply Lag: 0 seconds (computed 1 second ago)
Average Apply Rate: 24.00 KByte/s
Active Apply Rate: 0 Byte/s
Maximum Apply Rate: 0 Byte/s
Real Time Query: ON
Instance(s):
orcldg
Properties:
DGConnectIdentifier = 'orcldg'
ObserverConnectIdentifier = ''
LogXptMode = 'sync'
RedoRoutes = ''
DelayMins = '0'
Binding = 'optional'
MaxFailure = '0'
MaxConnections = '1'
ReopenSecs = '300'
NetTimeout = '30'
RedoCompression = 'DISABLE'
LogShipping = 'ON'
PreferredApplyInstance = ''
ApplyInstanceTimeout = '0'
ApplyLagThreshold = '0'
TransportLagThreshold = '0'
TransportDisconnectedThreshold = '30'
ApplyParallel = 'AUTO'
StandbyFileManagement = 'AUTO'
ArchiveLagTarget = '0'
LogArchiveMaxProcesses = '4'
LogArchiveMinSucceedDest = '1'
DbFileNameConvert = ''
LogFileNameConvert = ''
FastStartFailoverTarget = ''
InconsistentProperties = '(monitor)'
InconsistentLogXptProps = '(monitor)'
SendQEntries = '(monitor)'
LogXptStatus = '(monitor)'
RecvQEntries = '(monitor)'
StaticConnectIdentifier = '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=roidb02)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=orcldg_DGMGRL)(INSTANCE_NAME=orcldg)(SERVER=DEDICATED)))'
StandbyArchiveLocation = '+DATADG/arch'
AlternateLocation = ''
LogArchiveTrace = '0'
LogArchiveFormat = '%t_%s_%r.dbf'
TopWaitEvents = '(monitor)'
Database Status:
SUCCESS
2.3查看归档日志格式
SQL> show parameter log_archive_format;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_format string %t_%s_%r.dbf
SQL>
2.4使用DGMGRL修改数据库属性
DGMGRL> EDIT DATABASE 'orcldg' SET PROPERTY 'LogArchiveFormat'='log_%t_%s_%r_%d.arc';
Warning: ORA-16675: database instance restart required for property value modification to take effect
Property "LogArchiveFormat" updated
DGMGRL>
DGMGRL> EDIT DATABASE 'orcl' SET PROPERTY 'LogArchiveFormat'='log_%t_%s_%r_%d.arc';
Warning: ORA-16675: database instance restart required for property value modification to take effect
Property "LogArchiveFormat" updated
DGMGRL>
2.5查看是否生效
SQL> show parameter log_archive_format;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_format string %t_%s_%r.dbf
SQL>
2.6数据库重启
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL>
SQL>
SQL>
SQL> startup
ORACLE instance started.
Total System Global Area 1241513984 bytes
Fixed Size 2923872 bytes
Variable Size 452985504 bytes
Database Buffers 771751936 bytes
Redo Buffers 13852672 bytes
Database mounted.
Database opened.
SQL>
2.7查看是否生效
ASMCMD [+datadg/arch] > ls
1_12_954623021.dbf
....省略.........
1_61_954623021.dbf
log_1_62_954623021_585bafa7.arc --格式发生变化
log_1_63_954623021_585bafa7.arc
log_1_64_954623021_585bafa7.arc
ASMCMD [+datadg/arch] >
SQL> show parameter log_archive_format;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
log_archive_format string log_%t_%s_%r_%d.arc
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