問題:資料庫實際大小為600MB, 記錄檔實際大小為33MB, 但記錄檔佔用空間為2.8GB!試了多種方式,SHIRNK DATABASE, TRUNCATE LOG FILE, 都沒辦法將檔案縮小。無論如何,這應該算SQL Server的一個BUG吧。
解決方案:
後來找到下面的代碼,就可以將記錄檔縮小到自己想要的大小了。把代碼COPY到查詢分析器裡,,然後修改其中的3個參數(資料庫名,記錄檔名,和目標記錄檔的大小),運行即可。
以下為引用的內容:
----- SET NOCOUNT ON DECLARE @LogicalFileName sysname, @MaxMinutes INT, @NewSize INT USE Marias -- 要操作的資料庫名 SELECT @LogicalFileName = 'Marias_log' -- 記錄檔名 @MaxMinutes = 10, -- Limit on time allowed to wrap log. @NewSize = 100 -- 你想設定的記錄檔的大小(M)
-- Setup / initialize DECLARE @OriginalSize int SELECT @OriginalSize = size FROM sysfiles WHERE name = @LogicalFileName SELECT 'Original Size of ' + db_name() + ' LOG is ' + CONVERT(VARCHAR(30),@OriginalSize) + ' 8K pages or ' + CONVERT(VARCHAR(30),(@OriginalSize*8/1024)) + 'MB' FROM sysfiles WHERE name = @LogicalFileName CREATE TABLE DummyTrans (DummyColumn char (8000) not null) DECLARE @Counter INT, @StartTime DATETIME, @TruncLog VARCHAR(255) SELECT @StartTime = GETDATE(), @TruncLog = 'BACKUP LOG ' + db_name() + ' WITH TRUNCATE_ONLY'
DBCC SHRINKFILE (@LogicalFileName, @NewSize) EXEC (@TruncLog) -- Wrap the log if necessary. WHILE @MaxMinutes > DATEDIFF (mi, @StartTime, GETDATE()) -- time has not expired AND @OriginalSize = (SELECT size FROM sysfiles WHERE name = @LogicalFileName) AND (@OriginalSize * 8 /1024) > @NewSize BEGIN -- Outer loop. SELECT @Counter = 0 WHILE ((@Counter < @OriginalSize / 16) AND (@Counter < 50000)) BEGIN -- update INSERT DummyTrans VALUES ('Fill Log') DELETE DummyTrans SELECT @Counter = @Counter + 1 END EXEC (@TruncLog) END SELECT 'Final Size of ' + db_name() + ' LOG is ' + CONVERT(VARCHAR(30),size) + ' 8K pages or ' + CONVERT(VARCHAR(30),(size*8/1024)) + 'MB' FROM sysfiles WHERE name = @LogicalFileName DROP TABLE DummyTrans SET NOCOUNT OFF |