Database Files 

The following database files exist in connection with SAP DB database instances:

File Content

File Name

Directory

DBM Server <file_id>

(see also: Opening a Datbase File)

File Class

(see also: Compressing Diagnosis and Database Files)

Database messages

knldiag

Specification of the file name using datbase parameter _KERNELDIAGFILE

<independent_data_path>/wrk/<database_name>

KNLDIAG

protocol

Database error messages

knldiag.err

Specification of the file name (not the file type) using database parameter _KERNELDIAGFILE

<independent_data_path>/wrk/<database_name>

KNLDIAGERR

protocol

Old database messages

knldiag.old

Specification of the file name (not the file type) using database parameter _KERNELDIAGFILE

<independent_data_path>/wrk/<database_name>

KNLDIAGOLD

protocol

DBM Server log

dbm.prt

<independent_data_path>/wrk/<database_name>

DBMPRT

protocol

Binary version of the database trace

knltrace

Specification of the file name (not the file type) using database parameter _KERNELTRACEFILE

<independent_data_path>/wrk/<database_name>

KNLTRC

dump

Text version of the database trace

(see also: Creating the Text Version of the Database Trace)

<dbname>.prt

<independent_data_path>/wrk/<database_name>

KNLTRCPRT

protocol

Log of the utility command

dbm.utl

Specification of the file name and file type using database parameter _UTILITY_PROTFILE

<independent_data_path>/wrk/<database_name>

UTLPRT

protocol

History of backups and restores

dbm.knl

Specification of the file name and the file type using database parameter _BACKUP_HISTFILE

<independent_data_path>/wrk/<database_name>

BACKHIST

backup

History of the media used for backups

dbm.mdf

Specification of the file name and the file type using database parameter _BACKUP_MED_DEF

<independent_data_path>/wrk/<database_name>

BACKMDF

backup

History of backups with external backup tools

dbm.ebf

<independent_data_path>/wrk/<database_name>

BACKEBF

backup

Log of last backup with an external backup tool

dbm.ebp

<independent_data_path>/wrk/<database_name>

BACKEBP

backup

Log of loading the system tables

dbm.ins

<independent_data_path>/wrk/<database_name>

INSTPRT

protocol

Log of database administration activities

dbahist.prt

<independent_data_path>/wrk/<database_name>/dbahist

DBAHIST

protocol

Database Manager backup media

dbm.mmm

<independent_data_path>/wrk/<database_name>

DBMMDF

config

Diagnosis package

(see also: Compressing Diagnosis and Database Files)

diagpkg.tgz

<independent_data_path>/wrk/<database_name>

DIAGTGZ

 

Memory extract of the database instance

knldump

Specification of the file name and the file type using database parameter _KERNELDUMPFILE

<independent_data_path>/wrk/<database_name>

KNLDUMP

dump

Memory extract of the database instance runtime environment

rtedump

Specification of the file name and the file type using database parameter _RTEDUMPFILE

<independent_data_path>/wrk/<database_name>

RTEDUMP

dump

Log of database events

(see also: Accessing the Database Kernel)

knldiag.evt

Specification of the file name and the file type using database parameter _EVENTFILE

<independent_data_path>/wrk/<database_name>

KNLEVT

protocol

Log of the last liveCache initialization

(see also: Execute liveCache Initialization Script)

lcinit.log

<dependent_data_path>

LCINIT

lvc

Log of all liveCache initializations

lcinit.his

<dependent_data_path>

LCINITHIS

lvc

Log of liveCache activities

lc<token>

<independent_data_path>/wrk/<database_name>

LCTRC#<token>

lvc

DBM Server configuration

dbm.cfg

<independent_data_path>/wrk/<database_name>

 

config

Database instance parameters

<dbname>

<independent_data_path>/config

 

config

History of database instance parameters

<dbname>.pah

<independent_data_path>/config

DBMPAHI

protocol

Memory extract of the SQL analysis of the database instance

AK.buf, AK.dmp, AK.stm

<independent_data_path>/wrk/<database_name>

 

dump

Logs of the XServer program

xserver.prt, xserver.old, vserver.prot

<independent_data_path>/wrk

 

protocol

Script for the initialization of liveCache

lcinit or lcinit.cmd

<dependent_data_path>/sap

 

lvc

 

For more information about the SAP DB directory structure, see also: User Manual: SAP DB