Sunday, May 23, 2010

SAP Monitoring Tcode (Pt 5)

ST11 – Developer Trace

SAP Menu : Choosing Tools-> Administration-> Monitor -> Traces -> Developer Traces or tcode ST11

Developer Trace contain technical information for use in the event of problem with the system


  • Using the entries in the developer traces requires a sophisticated knowledge of the host systems in which SAP system is running
  • The traces can be useful in diagnosing host system and problem that are affecting SAP system.
  • Developer traces are written in files in the work directory of the SAP application server that generated the trace

Components

File Name

Dispatcher

dev_disp

Work process

dev_w “n” is number of WP

RFC

dev_rfc, dev_rfc

Internet Communication Manager

dev_icm

Startup

dev_sapstart

Message server

dev_ms

Gateway

dev_rd


Use developer traces transaction to check core file entries if this occupied the major space.


  • The core file located in the local host or application server which is rdmspbaap server of production server.
  • Login to application server with adm user
  • Check the mount point /usr/sap/BZP usage, if the usage is more then 80%, then it’s worth deleting the core file to release some space.
  • Go to /usr/sap//DVEBMGS01/work
  • List the file size of the core file and it’s save to delete this file


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