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Object documentation Log Files Locate the document in its SAP Library structure

Definition

Log files record information and messages about the actions of the database system and the database tools.

Use

The following table lists the most important log files that are created by the database system and its tools.

General log files

File name (File ID)

Directory

Contents

knldiag (KNLDIAG)

Run directory on the database instance

Current kernel log; contains all kernel messages (error messages, warnings and information)

Is created each time the database instance is started with the specified size in the special database parameter KERNELDIAGSIZE.

All messages from operation are overwritten cyclically; messages for starting in the ADMIN operational state are an exception to this.

knldiag.old (KNLDIAGOLD)

Run directory of the database instance

Last kernel log; when the database instance is started, the knldiag file is renamed knldiag.old.

knldiag.err (KNLDIAGERR)

Run directory of the database instance

Kernel error messages; this file is not overwritten. New error messages are appended to the end of the file.

knldiag.evt
(KNLEVT)

Run directory of the database instance

Log of the database events

knltrace (KNLTRC)

Run directory of the database instance

Log file of the database trace; can also contain information about the cause of the crash. The file is initialized each time the database instance starts.

<database_name>.prt (KNLTRCPRT)

Run directory of the database instance

Text version of the database trace

knldump (KNLDUMP)

Run directory of the database instance

Backup of the main memory information after a database crash

rtedump (RTEDUMP)

Run directory of the database instance

Memory dump of the runtime environment of the database instance

<database_name>.pah (DBMPAHI)

Configuration directory of the database instance

History of the database parameters

liveCache-specific log files

File name

Directory

Contents

lcinit.log

Run directory of the database instance

Information for starting, stopping and initializing the SAP liveCache with the CCMS function of the SAP system

lcinit.his

Run directory of the database instance

History of all start, stop and initialization actions in the liveCache. The information from the lcinit.log log is attached.

Database Manager log files

File name (File ID)

Directory

Contents

dbm.prt (DBMPRT)

Run directory of the database instance

Log of the DBM Server

dbm.utl (UTLPRT)

Run directory of the database instance

Log of the utility commands

dbm.ins (INSTPRT)

Run directory of the database instance

Log of loading/updating the system tables

dbahist.prt (DBAHIST)

<independent_data_path>\wrk\dbahist

Log of the database administration activities

dbm.knl (BACKHIST)

Run directory of the database instance

Backup history if no external backup tools are used

dbm.mdf (BACKMDF)

Run directory of the database instance

History of the backup media used for the backups

dbm.ebf (BACKEBF)

Run directory of the database instance

Backup history if external backup tools are used

The dbm.ebf log file identifies the backup ID and the external backup ID for each backup.

dbm.ebp (BACKEBP)

Run directory of the database instance

Log of the last backup using an external backup tool

Loader log files

Name

Directory

Contents

loader.prt

<user_home>\sdb\loader

Loader log file; instance-independent

transport.log

<user_home>\sdb\loader\data

History file of the transports, exports and imports performed by the Loader

X Server log files

Name

Directory

Contents

xserver_<server_name>.prt

<independent_data_path>\wrk

X Server log file; instance-independent

Database Analyzer log files

Name

Directory

Contents

(See Database Analyzer, List of Log Files)

<independent_data_path>\wrk\analyzer

Log files of the Database Analyzer

 

 

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