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During Installation, SAP puts some configuration files and updates existing ones to make SAP system run.

Temporary Files&Folders

During SAPINST execution, 2 directories created under /tmp/. Those directories can be deleted after installation.

  • /tmp/sapinst_instdir/
  • /tmp/sapinst_exe.<some_numbers>/

Permanent Files&Folders

SAP Installation requires the following directories to be created:

  • /sapmnt
  • /usr/sap
  • /oracle (for Oracle)
  • /sapdb (for MaxDB)
  • /db2 (for DB2)
  • /sybase (for Sybase ASE)

Following files are updated during installation:

  • /etc/passwd
  • /etc/security/passwd -> UID, Group Assignment, Home directory (/home/<sid>adm)
    • ora<sid> (for Oracle)
    • <sid>adm
    • db2<adm> (for DB2)
    • sdb (for MaxDB)
    • syb<sid> (for Sybase ASE)
    • sapadm (for HostAgent)
  • /etc/group -> SAP User Groups
    • sapsys: <sid>adm
    • oper: ora<sid>, <sid>adm (Oracle)
    • dba: ora<sid> (Oracle)
    • sdba (MaxDB)
    • db<sid>adm (DB2)
  • /etc/services (SAP Dispatcher, Gateway, Message Server TCP ports)
  • /etc/oratab (Oracle specific)
  • /etc/sysctl.conf (kernel parameters on Linux)
  • /etc/security/limits.conf (group limits)
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