這篇文章主要介紹了DG Broker如何搭建，具有一定借鑒價(jià)值，感興趣的朋友可以參考下，希望大家閱讀完這篇文章之后大有收獲，下面讓小編帶著大家一起了解一下。

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DG Broker搭建 

1.環(huán)境說明

database	sid	db_name	db_unique_name	net service  name
primary	ogg	ogg	ogg	ogg_p
physical standby	dogg	ogg	dogg	dogg_s

2.查看參數(shù)

----主庫

SYS@ogg>show parameter broker

NAME                               TYPE       VALUE

------------------------------------ ----------- ------------------------------

dg_broker_config_file1             string     /u01/app/oracle/product/11.2.0 /dbhome_1/dbs/dr1ogg.dat

dg_broker_config_file2             string     /u01/app/oracle/product/11.2.0 /dbhome_1/dbs/dr2ogg.dat

dg_broker_start                    boolean     FALSE

----備庫

SYS@dogg> show parameter broker

NAME                               TYPE     VALUE

------------------------------------ ----------- ------------------------------

dg_broker_config_file1             string     /u01/app/oracle/product/11.2.0 /db_1/dbs/dr1dogg.dat

dg_broker_config_file2             string     /u01/app/oracle/product/11.2.0/db_1/dbs/dr2dogg.dat

dg_broker_start                    boolean    FALSE

------修改dg_broker_config_file參數(shù)。這里就用默認(rèn)的路徑，也可以自己指定。如果是在RAC環(huán)境中，這個(gè)把這個(gè)文件把到共享的存儲(chǔ)上面，如果有ASM可以放到ASM中。

3.啟用BROKER

----在兩個(gè)數(shù)據(jù)庫上面都執(zhí)行：

alter system set dg_broker_start=true scope=both;

4.登錄配置

---在其中任意一臺(tái)做下面的操作就可以了，另它安裝了client的客戶端也是可以的

[oracle@ogg-80 ~]$ dgmgrl

（1）連接到當(dāng)前的主數(shù)據(jù)庫

DGMGRL> connect sys/oracle@ogg_p

DGMGRL> help create    -----查看幫助

Creates a broker configuration

Syntax:

  CREATE CONFIGURATION <configuration name> AS

    PRIMARY DATABASE IS <database name>

    CONNECT IDENTIFIER IS <connect identifier>;

（2）創(chuàng)建一個(gè)配置文件(ogg是db_unique_name，oggDG是配置的名字--可以修改，ogg_p是連接到prod數(shù)據(jù)庫的tnsname）

create configuration oggDG as primary database is ogg connect identifier is ogg_p;

（3）啟用配置文件

DGMGRL> enable configuration;

（4）增加備庫到配置文件中 (dogg是備機(jī)的db_unique_name，dogg_s是連接到sprod數(shù)據(jù)庫的tnsname）

DGMGRL> add database dogg as connect identifier is dogg_s;

（5）啟用備庫

DGMGRL> enable database dogg;

（6）查看配置文件

DGMGRL> show configuration

Configuration - oggdg

  Protection Mode: MaxPerformance

  Databases:

    ogg  - Primary database

    dogg - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS

（7）查看主庫的配置消息

DGMGRL> show database verbose ogg;

Database - ogg

  Role:            PRIMARY

  Intended State:  TRANSPORT-ON

  Instance(s):

    ogg

  Properties:

    DGConnectIdentifier             = 'ogg_p'

    ObserverConnectIdentifier       = ''

    LogXptMode                      = 'ASYNC'

    DelayMins                       = '0'

    Binding                         = 'optional'

    MaxFailure                      = '0'

    MaxConnections                  = '1'

    ReopenSecs                      = '300'

    NetTimeout                      = '30'

    RedoCompression                 = 'DISABLE'

    LogShipping                     = 'ON'

    PreferredApplyInstance          = ''

    ApplyInstanceTimeout            = '0'

    ApplyParallel                   = 'AUTO'

    StandbyFileManagement           = 'auto'

    ArchiveLagTarget                = '0'

    LogArchiveMaxProcesses          = '4'

    LogArchiveMinSucceedDest        = '1'

    DbFileNameConvert               = '/u01/app/oracle/oradata/dogg/, /u01/app/oracle/oradata/ogg/'

    LogFileNameConvert              = '/u01/app/oracle/oradata/dogg/, /u01/app/oracle/oradata/ogg/'

    FastStartFailoverTarget         = ''

    InconsistentProperties          = '(monitor)'

    InconsistentLogXptProps         = '(monitor)'

    SendQEntries                    = '(monitor)'

    LogXptStatus                    = '(monitor)'

    RecvQEntries                    = '(monitor)'

    ApplyLagThreshold               = '0'

    TransportLagThreshold           = '0'

    TransportDisconnectedThreshold  = '30'

    SidName                         = 'ogg'

    StaticConnectIdentifier         = '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ogg-80)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=ogg_DGMGRL)(INSTANCE_NAME=ogg)(SERVER=DEDICATED)))'

    StandbyArchiveLocation          = '/u01/app/oracle/archive'

    AlternateLocation               = ''

    LogArchiveTrace                 = '0'

    LogArchiveFormat                = '%t_%s_%r.dbf'

    TopWaitEvents                   = '(monitor)'

Database Status:

SUCCESS

（8）查看備庫的配置消息

DGMGRL> show database verbose dogg;

Database - dogg

  Role:            PHYSICAL STANDBY

  Intended State:  APPLY-ON

  Transport Lag:   0 seconds (computed 0 seconds ago)

  Apply Lag:       0 seconds (computed 0 seconds ago)

  Apply Rate:      0 Byte/s

  Real Time Query: ON

  Instance(s):

    dogg

  Properties:

    DGConnectIdentifier             = 'dogg_s'

    ObserverConnectIdentifier       = ''

    LogXptMode                      = 'ASYNC'

    DelayMins                       = '0'

    Binding                         = 'OPTIONAL'

    MaxFailure                      = '0'

    MaxConnections                  = '1'

    ReopenSecs                      = '300'

    NetTimeout                      = '30'

    RedoCompression                 = 'DISABLE'

    LogShipping                     = 'ON'

    PreferredApplyInstance          = ''

    ApplyInstanceTimeout            = '0'

    ApplyParallel                   = 'AUTO'

    StandbyFileManagement           = 'auto'

    ArchiveLagTarget                = '0'

    LogArchiveMaxProcesses          = '4'

    LogArchiveMinSucceedDest        = '1'

    DbFileNameConvert               = '/u01/app/oracle/oradata/ogg/, /u01/app/oracle/oradata/dogg/'

    LogFileNameConvert              = '/u01/app/oracle/oradata/ogg/, /u01/app/oracle/oradata/dogg/'

    FastStartFailoverTarget         = ''

    InconsistentProperties          = '(monitor)'

    InconsistentLogXptProps         = '(monitor)'

    SendQEntries                    = '(monitor)'

    LogXptStatus                    = '(monitor)'

    RecvQEntries                    = '(monitor)'

    ApplyLagThreshold               = '0'

    TransportLagThreshold           = '0'

    TransportDisconnectedThreshold  = '30'

    SidName                         = 'dogg'

    StaticConnectIdentifier         = '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=d-ogg)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=dogg_DGMGRL)(INSTANCE_NAME=dogg)(SERVER=DEDICATED)))'

    StandbyArchiveLocation          = '/u01/app/oracle/archive'

    AlternateLocation               = ''

    LogArchiveTrace                 = '0'

    LogArchiveFormat                = '%t_%s_%r.dbf'

    TopWaitEvents                   = '(monitor)'

Database Status:

SUCCESS

（9）修改StaticConnectIdentifier參數(shù)，記得兩個(gè)數(shù)據(jù)庫都要修改。

DGMGRL>  edit database ogg set property  StaticConnectIdentifier='(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.80)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=ogg)(SERVER=DEDICATED)))';

DGMGRL>  edit database dogg set property  StaticConnectIdentifier='(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.90)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=dogg)(SERVER=DEDICATED)))';

（10）開始切換

DGMGRL>  switchover to dogg;

Performing switchover NOW, please wait...

Operation requires a connection to instance "dogg" on database "dogg"

Connecting to instance "dogg"...

Connected.

New primary database "dogg" is opening...

Operation requires startup of instance "ogg" on database "ogg"

Starting instance "ogg"...

ORACLE instance started.

Database mounted.

Database opened.

Switchover succeeded, new primary is "dogg"

（11）查看狀態(tài)

DGMGRL> show configuration;

Configuration - oggdg

  Protection Mode: MaxPerformance

  Databases:

    dogg - Primary database

    ogg  - Physical standby database

Fast-Start Failover: DISABLED

Configuration Status:

SUCCESS

（12）再次切換回去

DGMGRL> switchover to ogg;

感謝你能夠認(rèn)真閱讀完這篇文章，希望小編分享的“DG Broker如何搭建”這篇文章對(duì)大家有幫助，同時(shí)也希望大家多多支持創(chuàng)新互聯(lián)，關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道，更多相關(guān)知識(shí)等著你來學(xué)習(xí)!

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