Shrinking Log Files After Backup

Jul 22, 2003

Hello everybody.
I have SQL2000 sp3 standard
with 50 db's

All db set for full recovery
and autoshrink
Backup done with Tivoli

full backup once a week
log backup done every 12 hrs

Problem .. shrinking logs

every 20 min I run job
DBCC SHRINKFILE (My_db_logFile) for every db

70% of the time I am getting
message similar to
-------------
Cannot shrink log file 2 (Wholesale_Log) because all logical log files are in use.
--------------
1. I checked with sp_who2
The is no activity on db 'Wholesale_Log' or any other db returning "Cannot shrink..."

Why i getting "Cannot shrink ..." ?

even if job runs right after backup of the log files ,I still have messages.

Thank you

Alex

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Hi again

Damn, people, how to shrink log file. I've tried several times with
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I have got big table, about 190 mln records (15 GB) and after simple update the log is very big but unnessesery.

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I am but a lowly DBA unworthy of this task...

I have a large (200+ GB) database with many (100+) files. Please don't ask me why I did it this way; I inherited this database -- really, it wasn't my idea.

My predecessor also seemd to think that backups were unnecessary; there have been no backups of this database -- ever.

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-- =============================================
-- Create database on mulitple file groups
-- =============================================
IF EXISTS (SELECT *
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( NAME = MultiFile2,
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( NAME = MultiFile5,
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LOG ON
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SIZE = 1MB,
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FILEGROWTH = 10%)
GO



I have tried the following backup script:


BACKUP DATABASE MultiFile
FILE = 'MultiFile',
FILE = 'MultiFile2'
TO Backup01
WITH
INIT

BACKUP DATABASE MultiFile
FILE = 'MultiFile3',
FILE = 'MultiFile4'
TO Backup02
WITH
INIT

BACKUP DATABASE MultiFile
FILE = 'MultiFile5'
TO Backup03
WITH
INIT


And here is the restore script:


RESTORE DATABASE MultiFile2
FILE = 'MultiFile',
FILE = 'MultiFile2',
FILE = 'MultiFile3',
FILE = 'MultiFile4',
FILE = 'MultiFile5'
FROM Backup01, Backup02, Backup03
WITH MOVE 'MultiFile' TO 'E:MSSQLDataaMultfile.mdf',
MOVE 'MultiFile2' TO 'E:MSSQLDataaMultifile2.mdf',
MOVE 'MultiFile2' TO 'E:MSSQLDataaMultifile3.mdf',
MOVE 'MultiFile2' TO 'E:MSSQLDataaMultifile4.mdf',
MOVE 'MultiFile2' TO 'E:MSSQLDataaMultifile5.mdf',
MOVE 'MultiFile_log' TO 'E:MSSQLaMultFile_Log.ldf'


However, running the Restore script generates the following error:


Server: Msg 3259, Level 16, State 1, Line 1
The volume on device 'Backup02' is not part of a multiple family media set. BACKUP WITH FORMAT can be used to form a new media set.
Server: Msg 3013, Level 16, State 1, Line 1
RESTORE DATABASE is terminating abnormally.


I'm not sure what to make of this. What do I need to alter in either the backup script or the restore script to make this work?

I am trying this because my objectives are to:
1. Limit the amount of work that the server is performing during any one given backup session. The idea that I have is to backup the database in chunks using a rolling 3-5 day window.
2. The database must be up and operational 7x24x365 (except for one 4 hour window each month)
3. This is not the long-term solution; but I need something to tide us over until we can purchase additional storage capacity.


I appreciate any thoughts and or guidance you can provide.

Regards,

hmscott

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