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XADM: Using Eseutil to Determine Which Logs Have Been Committed

This article was previously published under Q182961
SUMMARY
You can use the Eseutil utility to view the contents of the checkpoint file to determine which log files have been committed to an Exchange database.
MORE INFORMATION

Exchange Server 5.5

The information in this section applies to all three Exchange Server 5.5 databases:
  • Dir.edb
  • Priv.edb
  • Pub.edb
To display the Edb.chk (checkpoint) file on the screen, run the following command from a command prompt:
eseutil /mk edb.chk | more
If you do not run eseutil from the folder where the Edb.chk file islocated, you must provide the full path to the file.

In Exchange Server 5.5, there is one checkpoint file foreach set of log files. There will be one Edb.chk file for the directory andone for the information store. (Priv.edb and Pub.edb share the same logfiles and checkpoint file.)

The information that is displayed is similar to:
   Microsoft(R) Exchange Server Database Utilities   Version 5.5   Copyright (C) Microsoft Corporation 1991-1997. All Rights Reserved.   Initiating FILE DUMP mode...      Checkpoint file: edb.chk      LastFullBackupCheckpoint (8,615,203)      Checkpoint (22,6485,399)      FullBackup (8,615,203)      FullBackup time:3/6/1998 11:52:16      IncBackup (0,0,0)      IncBackup time:0/0/1900 0:0:0      Signature: Create time:2/24/1998 14:23:47 Rand:24842 Computer:      Env (Session, Opentbl, VerPage, Cursors, LogBufs, LogFile, Buffers)          (    168,   25200,    4440,    8400,      84,   10240,    8045)   Operation completed successfully in 0.20 seconds.				
Take the first number in the parentheses for the Checkpoint field andconvert it to hexadecimal. The hexadecimal number is the file name of thefirst uncommitted log for the appropriate directory. Circular loggingworks by deleting all log files with generations that are lower than thegeneration in the checkpoint, for example:
Checkpoint (22,6485,399) = EDB00016.LOG
This syntax applies for most other fields in the dump file(LastFullBackupCheckpoint, FullBackup, IncBackup, and other fields).

Exchange 2000 Server

In Exchange 2000, there is one checkpoint file for each storage group and one for the directory. When you try to identify the last committed log file for a storage group, note that the storage group prefix applies to the checkpoint file and to all of the log files. For example, the default first storage group's checkpoint file name is E00.chk, and its log files are E00xxxxxx.log (where xxxxx is the hexadecimal sequence number of the log file).

To display the Exx.chk (checkpoint) file on the screen, run the following command from a command prompt (from the Exchsrvr\Bin folder):
eseutil /mk the_full_path_to_the_checkpoint_file
For example, you may run the following command:
eseutil /mk "C:\Program Files\Exchsrvr\MDBDATA\E00.chk"
Note that you must use the quotation marks if there is a space in the path to the checkpoint file.

The output of this command is similar to:
   Microsoft(R) Exchange Server(TM) Database Utilities   Version 6.0   Copyright (C) Microsoft Corporation 1991-2000.  All Rights Reserved.   Initiating FILE DUMP mode...         Checkpoint file: C:\Program Files\Exchsrvr\MDBDATA\E00.chk         LastFullBackupCheckpoint: (0x0,0,0)         Checkpoint: (0x6A,1119,3D)         FullBackup: (0x0,0,0)         FullBackup time: 00/00/1900 00:00:00         IncBackup: (0x0,0,0)         IncBackup time: 00/00/1900 00:00:00         Signature: Create time:09/24/2001 17:10:26 Rand:522553071 Computer:         Env (CircLog,Session,Opentbl,VerPage,Cursors,LogBufs,LogFile,Buffers)             (    off,    202,  30300,   1365,  10100,    128,  10240,  97940)   Operation completed successfully in 1.192 seconds.				
Take the first number in the parentheses for the Checkpoint field. The hexadecimal number is the file name of the first uncommitted log for the appropriate database; in this example:
Checkpoint (0x6A,1119,3D) = E000006A.log
CHK logs purge
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Article ID: 182961 - Last Review: 02/26/2007 22:36:30 - Revision: 4.4

  • Microsoft Exchange Server 5.5 Standard Edition
  • Microsoft Exchange 2000 Server Standard Edition
  • kbhowto KB182961
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