手工方式配置Service的過程。

來源:互聯網
上載者:User

在使用srvctl建立service時,需要注意TAF策略選項必須通過dbms_service包來配置。下面例子示範了如何建立一個服務felix_ora:

1.建立之前查看系統現有的service:

SQL> show parameter service

 

NAME                                 TYPE        VALUE

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

service_names                        string      felix

SQL>

2.使用srvctl建立felix_ora服務;

[oracle@felix1 ~]$ srvctl add service -d felix -s felix_ora -r felix1 -a felix2 -P BASIC

[oracle@felix1 ~]$ 

[oracle@felix1 ~]$ srvctl config service -d felix-a

felix_ora PREF: felix1 AVAIL: felix2 TAF: BASIC

[oracle@felix1 ~]$ srvctl status  service -d felix

Service felix_ora is not running.

[oracle@felix1 ~]$

3.確認服務建立成功,以下標紅部分說明服務已經作為一項CRS Resource註冊到CRS中,但是目前沒有啟動。

[oracle@felix1 ~]$ crs_stat -t  -v

Name          Type           R/RA   F/FT  Target    State     Host       

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

ora.felix.db  application    0/0    0/1   ONLINE    ONLINE    felix1     

ora....x1.inst application    0/5   0/0    ONLINE    ONLINE   felix1     

ora....x2.inst application    0/5   0/0    ONLINE    ONLINE   felix2     

ora...._ora.cs application   0/0    0/1    OFFLINE  OFFLINE              

ora....ix1.srv application   0/0    0/0   OFFLINE   OFFLINE               

ora....SM1.asm application    0/5   0/0    ONLINE    ONLINE   felix1     

ora....X1.lsnr application    0/5   0/0    ONLINE    ONLINE   felix1     

ora.felix1.gsd application    0/5   0/0    ONLINE    ONLINE   felix1     

ora.felix1.ons application    0/3   0/0    ONLINE    ONLINE   felix1     

ora.felix1.vip application    0/0   0/0    ONLINE    ONLINE   felix1     

ora....SM2.asm application    0/5   0/0    ONLINE    ONLINE   felix2     

ora....X2.lsnr application    0/5   0/0    ONLINE    ONLINE   felix2     

ora.felix2.gsd application    0/5   0/0    ONLINE    ONLINE   felix2     

ora.felix2.ons application    0/3   0/0    ONLINE    ONLINE   felix2     

ora.felix2.vip application    0/0   0/0    ONLINE    ONLINE   felix2     

[oracle@felix1 ~]$

4.佈建服務自動啟動

[oracle@felix1 ~]$ srvctl enable service -d felix-s felix_ora

PRKP-1018 : Service felix_ora already enabled.

[oracle@felix1 ~]$

5.啟動這個服務

[oracle@felix1 ~]$ srvctl start  service -d felix -s felix_ora

[oracle@felix1 ~]$

[oracle@felix1 ~]$ srvctl status  service -d felix -s felix_ora

Service felix_ora is running on instance(s) felix1

[oracle@felix1 ~]$

6.確認服務狀態;

[oracle@felix2 ~]$ crs_stat  -t  -v

Name          Type           R/RA   F/FT  Target    State     Host       

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

ora.felix.db  application    0/0    0/1   ONLINE    ONLINE    felix1     

ora....x1.inst application    0/5   0/0    ONLINE    ONLINE   felix1     

ora....x2.inst application    0/5   0/0    ONLINE    ONLINE   felix2     

ora...._ora.cs application   0/0    0/1    ONLINE   ONLINE    felix1     

ora....ix1.srv application   0/0    0/0    ONLINE   ONLINE    felix1     

ora....SM1.asm application    0/5   0/0    ONLINE    ONLINE   felix1     

ora....X1.lsnr application    0/5   0/0    ONLINE    ONLINE   felix1     

ora.felix1.gsd application    0/5   0/0    ONLINE    ONLINE   felix1     

ora.felix1.ons application    0/3   0/0    ONLINE    ONLINE   felix1     

ora.felix1.vip application    0/0   0/0    ONLINE    ONLINE   felix1     

ora....SM2.asm application    0/5   0/0    ONLINE    ONLINE   felix2     

ora....X2.lsnr application    0/5   0/0    ONLINE    ONLINE   felix2     

ora.felix2.gsd application    0/5   0/0    ONLINE    ONLINE   felix2     

ora.felix2.ons application    0/3   0/0    ONLINE    ONLINE   felix2     

ora.felix2.vip application    0/0   0/0    ONLINE    ONLINE   felix2     

[oracle@felix2 ~]$

說明已經全部啟動了;

建立的服務會自動添加到初始化參數檔案中:

SQL> show parameter service

 

NAME                                 TYPE        VALUE

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

service_names                        string      felix, felix_ora

SQL>

7.修改service的TAF配置,需要使用dbms_service.modify_service

begin

 dbms_service.modify_service(service_name     => 'felix_ora',

                             failover_method  =>dbms_service.failover_method_basic,

                             failover_type    =>dbms_service.failover_type_select,

                              failover_retries => 180,

                             failover_delay   => 5);

end;

/

 

PL/SQL procedure successfully completed.

8.確認以生效

 

Set lines 1000 pages 1000

col name for a50

col clb_goal for a15

col FAILOVER_METHOD  for a15

col failover_type for a20;

SQL> selectname,failover_method,failover_type,clb_goal from dba_services;

 

NAME                                               FAILOVER_METHOD FAILOVER_TYPE        CLB_GOAL

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

SYS$BACKGROUND                                                                         SHORT

SYS$USERS                                                                              SHORT

seeddataXDB                                                                            LONG

seeddata.regress.rdbms.dev.us.oracle.com                                                LONG

felixXDB                                                                               LONG

felix                                                                                  LONG

taf_server                                                                              LONG

taf_srvctl                                                                             LONG

felix_ora                                         BASIC           SELECT               LONG

 

9 rows selected.

 

[oracle@felix1 ~]$ srvctl config  service -d felix -a

felix_ora PREF: felix1 AVAIL: felix2 TAF: BASIC

[oracle@felix1 ~]$


【參考大話RAC--張曉明】

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