有時候搭建的複製在作業比較多的時候，會因為某些情況導致代理停止或出錯，如果分發代理時間停止稍微過長可能導致複製延期，從而需要從新初始化複製，帶來問題。因此我寫了一個指令碼定期檢查處於停止狀態的分發代理，將其啟動。

注：該指令碼需要跑在分發伺服器下的MSDB庫中。

USE [msdb]
 
Create PROC [dbo].[CheckToRestartStopedAgentJob]
AS
    DECLARE @jobname VARCHAR(200)
 
    DECLARE jobname CURSOR
    FOR
        SELECT
 
 DISTINCT
                b.name AS MergeJobName
        FROM    distribution.dbo.MSdistribution_history a
                INNER JOIN distribution.dbo.MSdistribution_agents b ON a.agent_id = b.id
        WHERE   comments LIKE '傳遞了%'
 
    OPEN jobname
 
    FETCH NEXT  FROM jobname INTO @jobname
 

 
    WHILE @@FETCH_STATUS = 0
        BEGIN
 
 
 
                BEGIN
 
                    IF NOT EXISTS ( SELECT  *
                                    FROM    msdb..sysjobs
                                    WHERE   Name = @jobname )
                        BEGIN
                            PRINT
 
 'Job does not exists'
     
                        END
                    ELSE
                        BEGIN
                            CREATE TABLE #xp_results
                                (
                                  job_id UNIQUEIDENTIFIER NOT NULL ,
                                  last_run_date INT NOT NULL ,
                                  last_run_time INT NOT NULL ,
                                  next_run_date INT NOT NULL ,
                                  next_run_time INT NOT NULL ,
                                  next_run_schedule_id INT NOT NULL ,
                                  requested_to_run INT NOT NULL , -- BOOL  
                                  request_source INT NOT NULL ,
                                  request_source_id SYSNAME
                                    COLLATE database_default
                                    NULL ,
                                  running INT NOT NULL , -- BOOL  
                                  current_step INT NOT NULL ,
                                  current_retry_attempt INT NOT NULL ,
                                  job_state INT NOT NULL
                                )  
 
                            INSERT  INTO #xp_results
                                    EXECUTE master.dbo.xp_sqlagent_enum_jobs 1,
                                        'sa'  
 
                            IF EXISTS ( SELECT  1
                                        FROM    #xp_results X
                                                INNER JOIN msdb..sysjobs J ON X.job_id = J.job_id
                                        WHERE   x.running = 1
                                                AND j.name = @jobname )
                                BEGIN
                                    PRINT 1
                                END
                            ELSE
                                BEGIN
                                    INSERT  INTO master.dbo.RestartMergeReplicationLog
                                            ( message ,
                                              errortime
                                            )
                                    VALUES  ( 'Job：' + @jobname
                                              + ' is not running,restarting......' ,
                                              GETDATE()
                                            )
                                    EXEC('EXEC dbo.sp_start_job  '''+@jobname+'''' )
                                END 
                            DROP TABLE #xp_results
                        END
   
 
 
 
 
 
         
            FETCH NEXT  FROM jobname INTO @jobname
        END
 
 
    CLOSE jobname
    DEALLOCATE jobname

原文連結