SQL Server 2017 - Parallel redo is started for database

There is a change from Microsoft in the servicing model, going ahead from SQL 2017 there will No Service Packs.

Any vulnerabilities hotfixes will be roll out on need basis and issues will be addressed only through CU and GDR.

Going ahead we need to apply only CU to SQL Server to bring the system into servicing support cycle. J

More On:  https://blogs.msdn.microsoft.com/sqlreleaseservices/announcing-the-modern-servicing-model-for-sql-server/

https://blogs.msdn.microsoft.com/sqlreleaseservices/announcing-updates-to-the-sql-server-incremental-servicing-model-ism/

 Discussion Thread:

https://social.technet.microsoft.com/Forums/en-US/71eae9b7-41f4-48fd-a0e9-4c1c67bfdf65/parallel-redo-is-started-for-database-reportservertempdb-with-worker-pool-size-2?forum=sqldatabaseengine

Data and Log File Move to New Location (Move Script)

Below is the script we can use to move the data and log files for the databases except master.


DECLARE
    @counter    INT = 1,
    @max        INT = 0,
    @NEW_DATA_PATH VARCHAR(500)='E:\XXXX\Data',
    @NEW_LOG_PATH VARCHAR(500)='F:\XXXX\Log'
  
DECLARE @FILE_LIST TABLE (
    [ID]    int IDENTITY,
    [DBNAME] VARCHAR(100),
    [LNAME]   VARCHAR(100),
    [PNAME]   VARCHAR(500),
    [TYPE_DESC]  VARCHAR(50)
    )  
INSERT INTO @FILE_LIST
SELECT n.NAME,f.NAME,f.PHYSICAL_NAME,f.TYPE_DESC
FROM MASTER.SYS.MASTER_FILES f,MASTER.SYS.DATABASES n WHERE n.NAME not in('MASTER') 
and f.DATABASE_ID=n.DATABASE_ID

SELECT @max = COUNT([ID]) FROM @FILE_LIST

WHILE @counter <= @max
BEGIN

 DECLARE @FILE_TYPE VARCHAR(100),
         @DBNAME VARCHAR(100),
         @LOGICAL_NAME VARCHAR(100),
         @PHYSICAL_NAME VARCHAR(500) ;
          
 SELECT @FILE_TYPE=TYPE_DESC,@DBNAME=[DBNAME],@LOGICAL_NAME=[LNAME],
 @PHYSICAL_NAME=SUBSTRING([PNAME],LEN([PNAME])-CHARINDEX('\',REVERSE([PNAME]))+2,LEN([PNAME])-1) 
 FROM @FILE_LIST WHERE [ID] = @counter
    
    IF(@FILE_TYPE='ROWS')
    BEGIN
    --ALTER DATABASE database_name MODIFY FILE ( NAME = logical_name, FILENAME = 'new_path\os_file_name' );
        --PRINT @FILE_TYPE+','+@DBNAME+','+@LOGICAL_NAME+','+@PHYSICAL_NAME
        PRINT 'USE MASTER 
               GO 
               ALTER DATABASE '+@DBNAME+' MODIFY FILE ( NAME = '+@LOGICAL_NAME+', FILENAME = '''+@NEW_DATA_PATH+'\'+@PHYSICAL_NAME+''')
               GO'
  END
  ELSE
   PRINT 'USE MASTER 
          GO 
          ALTER DATABASE '+@DBNAME+' MODIFY FILE ( NAME = '+@LOGICAL_NAME+', FILENAME = '''+@NEW_LOG_PATH+'\'+@PHYSICAL_NAME+''')
          GO'
     SET @counter = @counter + 1
      
 END