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DECLARE @SERVERTYP AS INT ;

SET  @SERVERTYP =0; --主机

IF(@SERVERTYP =0)

BEGIN

    USE master;
--主机流程

    DROP CERTIFICATE A_CERT;

    DROP MASTER KEY;

    CREATE MASTER KEY ENCRYPTION BY PASSWORD = '123';

    CREATE CERTIFICATE A_CERT WITH SUBJECT = 'HOST A CERTIFICATE' , 

    START_DATE = ' 01/01/1990',EXPIRY_DATE='01/01/2099';

CREATE ENDPOINT ENDPOINT_MIRRORING STATE = STARTED AS TCP ( LISTENER_PORT=5022,

    LISTENER_IP = ALL ) FOR DATABASE_MIRRORING ( AUTHENTICATION = CERTIFICATE

    A_CERT, ENCRYPTION = REQUIRED ALGORITHM AES, ROLE = ALL );

    BACKUP CERTIFICATE A_CERT TO FILE = 'D:\A_CERT.CER';

    

  --主机上登录到备机的用户
CREATE LOGIN B_LOGIN WITH PASSWORD = '123';

    CREATE USER B_USER FOR LOGIN B_LOGIN;

    CREATE CERTIFICATE B_CERT AUTHORIZATION B_USER FROM FILE = 'D:\B_CERT.CER';

    GRANT CONNECT ON ENDPOINT::ENDPOINT_MIRRORING TO [B_LOGIN];

    --USE master;

    --SELECT  sid ,name FROM    syslogins WHERE   name = 'HOST_B_LOGIN';
--0X8C6B7DF875AC6842B8D77095048427AE
ALTER DATABASE TTY SET PARTNER = 'TCP://192.168.1.3:5023'

END

ELSE

BEGIN

    DROP CERTIFICATE B_CERT;

    DROP MASTER KEY;

    USE master;

    CREATE MASTER KEY ENCRYPTION BY PASSWORD = '123';

    CREATE CERTIFICATE B_CERT WITH SUBJECT = 'B CERTIFICATE', 

    START_DATE = '01/01/1999' ,EXPIRY_DATE='01/01/2099';

    CREATE ENDPOINT ENDPOINT_MIRRORING STATE = STARTED AS TCP ( LISTENER_PORT=5023,

        LISTENER_IP = ALL ) FOR DATABASE_MIRRORING ( AUTHENTICATION =

        CERTIFICATE B_CERT, ENCRYPTION = REQUIRED ALGORITHM AES, ROLE =

        ALL );

    BACKUP CERTIFICATE B_CERT TO FILE = 'D:\B_CERT.CER';

 

  --备机上登录到主机的用户

     CREATE LOGIN A_LOGIN WITH PASSWORD = '123';

    CREATE USER A_USER FOR LOGIN A_LOGIN;

    CREATE CERTIFICATE A_CERT AUTHORIZATION A_USER FROM FILE = 'D:\A_CERT.CER';

    GRANT CONNECT ON ENDPOINT::ENDPOINT_MIRRORING TO [A_LOGIN];

    --USE master;

    --SELECT  sid ,name FROM    syslogins WHERE   name = 'HOST_A_LOGIN';

--0X47EA83FB61DA7D4684A36B6D4234AB2A

--USE MASTER;

--EXEC SP_ADDLOGIN 

--@LOGINAME = 'HOST_A_LOGIN', 

--@PASSWD = '123', 

--@SID = 0X8C6B7DF875AC6842B8D77095048427AE

    ALTER DATABASE TTY SET PARTNER = 'TCP://192.168.1.3:5022';

END

----主/镜 互换 (只能主机执行)

--USE MASTER;

--ALTER DATABASE TTY SET PARTNER FAILOVER;;

----强制成为主机 (只能在备机用)

--USE MASTER;

--ALTER DATABASE TTY SET PARTNER FORCE_SERVICE_ALLOW_DATA_LOSS; 

----回复挂起状态

--USE MASTER;

--ALTER DATABASE TTY SET PARTNER RESUME;