Where & What do SAPINST puts on Unix/Linux during Installation?

[HuseyinBilgen]

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)