SQL Server Alwayson 主从数据库账号同步
我们建立了Alwayson后,辅助副本下的数据库是没有相应的账号的,怎么样进行账号的同步呢?怎么在不知道密码的情况下,进行账号的同步设置。
我们可以通过SP--sp_help_revlogin 来实现,此存储过程在主副本上创建了,在执行的时候直接数据你需要同步的账号就会生成创建的SQL命令。
我们将这个SQL 命令 Copy至辅助副本上去执行,然后辅助副本上关于这个账号就生效了。
SP-- sp_help_revlogin的完整代码如下(需先创建sp_hexadecimal,代码随后)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | USE [master] GO /****** Object: StoredProcedure [dbo].[sp_help_revlogin] Script Date : 2016/12/9 16:21:57 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO Create PROCEDURE [dbo].[sp_help_revlogin] @login_name sysname = NULL AS DECLARE @ name sysname DECLARE @type varchar (1) DECLARE @hasaccess int DECLARE @denylogin int DECLARE @is_disabled int DECLARE @PWD_varbinary varbinary (256) DECLARE @PWD_string varchar (514) DECLARE @SID_varbinary varbinary (85) DECLARE @SID_string varchar (514) DECLARE @tmpstr varchar (1024) DECLARE @is_policy_checked varchar (3) DECLARE @is_expiration_checked varchar (3) DECLARE @defaultdb sysname IF (@login_name IS NULL ) DECLARE login_curs CURSOR FOR SELECT p.sid, p. name , p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin FROM sys.server_principals p LEFT JOIN sys.syslogins l ON ( l. name = p. name ) WHERE p.type IN ( 'S' , 'G' , 'U' ) AND p. name <> 'sa' ELSE DECLARE login_curs CURSOR FOR SELECT p.sid, p. name , p.type, p.is_disabled, p.default_database_name, l.hasaccess, l.denylogin FROM sys.server_principals p LEFT JOIN sys.syslogins l ON ( l. name = p. name ) WHERE p.type IN ( 'S' , 'G' , 'U' ) AND p. name = @login_name OPEN login_curs FETCH NEXT FROM login_curs INTO @SID_varbinary, @ name , @type, @is_disabled, @defaultdb, @hasaccess, @denylogin IF (@@fetch_status = -1) BEGIN PRINT 'No login(s) found.' CLOSE login_curs DEALLOCATE login_curs RETURN -1 END SET @tmpstr = '/* sp_help_revlogin script ' PRINT @tmpstr SET @tmpstr = '** Generated ' + CONVERT ( varchar , GETDATE()) + ' on ' + @@SERVERNAME + ' */' PRINT @tmpstr PRINT '' WHILE (@@fetch_status <> -1) BEGIN IF (@@fetch_status <> -2) BEGIN PRINT '' SET @tmpstr = '-- Login: ' + @ name PRINT @tmpstr IF (@type IN ( 'G' , 'U' )) BEGIN -- NT authenticated account/group SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @ name ) + ' FROM WINDOWS WITH DEFAULT_DATABASE = [' + @defaultdb + ']' END ELSE BEGIN -- SQL Server authentication -- obtain password and sid SET @PWD_varbinary = CAST ( LOGINPROPERTY( @ name , 'PasswordHash' ) AS varbinary (256) ) EXEC sp_hexadecimal @PWD_varbinary, @PWD_string OUT EXEC sp_hexadecimal @SID_varbinary,@SID_string OUT -- obtain password policy state SELECT @is_policy_checked = CASE is_policy_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END FROM sys.sql_logins WHERE name = @ name SELECT @is_expiration_checked = CASE is_expiration_checked WHEN 1 THEN 'ON' WHEN 0 THEN 'OFF' ELSE NULL END FROM sys.sql_logins WHERE name = @ name SET @tmpstr = 'CREATE LOGIN ' + QUOTENAME( @ name ) + ' WITH PASSWORD = ' + @PWD_string + ' HASHED, SID = ' + @SID_string + ', DEFAULT_DATABASE = [' + @defaultdb + ']' IF ( @is_policy_checked IS NOT NULL ) BEGIN SET @tmpstr = @tmpstr + ', CHECK_POLICY = ' + @is_policy_checked END IF ( @is_expiration_checked IS NOT NULL ) BEGIN SET @tmpstr = @tmpstr + ', CHECK_EXPIRATION = ' + @is_expiration_checked END END IF (@denylogin = 1) BEGIN -- login is denied access SET @tmpstr = @tmpstr + '; DENY CONNECT SQL TO ' + QUOTENAME( @ name ) END ELSE IF (@hasaccess = 0) BEGIN -- login exists but does not have access SET @tmpstr = @tmpstr + '; REVOKE CONNECT SQL TO ' + QUOTENAME( @ name ) END IF (@is_disabled = 1) BEGIN -- login is disabled SET @tmpstr = @tmpstr + '; ALTER LOGIN ' + QUOTENAME( @ name ) + ' DISABLE' END PRINT @tmpstr END FETCH NEXT FROM login_curs INTO @SID_varbinary, @ name , @type, @is_disabled, @defaultdb, @hasaccess, @denylogin END CLOSE login_curs DEALLOCATE login_curs RETURN 0 |
注意其上的SP在代码中会包含sp --sp_hexadecimal,需要先创建
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | USE [master] GO /****** Object: StoredProcedure [dbo].[sp_hexadecimal] Script Date : 2016/12/9 16:11:25 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE PROCEDURE [dbo].[sp_hexadecimal] @binvalue varbinary(256), @hexvalue varchar (514) OUTPUT AS DECLARE @charvalue varchar (514) DECLARE @i int DECLARE @length int DECLARE @hexstring char (16) SELECT @charvalue = '0x' SELECT @i = 1 SELECT @length = DATALENGTH (@binvalue) SELECT @hexstring = '0123456789ABCDEF' WHILE (@i <= @length) BEGIN DECLARE @tempint int DECLARE @firstint int DECLARE @secondint int SELECT @tempint = CONVERT ( int , SUBSTRING (@binvalue,@i,1)) SELECT @firstint = FLOOR(@tempint/16) SELECT @secondint = @tempint - (@firstint*16) SELECT @charvalue = @charvalue + SUBSTRING (@hexstring, @firstint+1, 1) + SUBSTRING (@hexstring, @secondint+1, 1) SELECT @i = @i + 1 END SELECT @hexvalue = @charvalue GO |
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