Automated Upgrade of SAP Host Agent

Architectural Overview of SAP Host Agent

相關資訊

SAP Host Agent 執行目錄在

UNIX Platform : /usr/sap/hostctrl/exe

Windows Platform : %ProgramFiles%\SAP\hostctrl\exe

The control program : saphostexec

The operating system collector : saposcol

The SAP NetWeaver management agent : saphostcontrol (sapstartsrv in host mode)

On UNIX hosts the automatic start is ensured by the startup script sapinit that

starts the required executables.

Prerequisites

=> Windows: You must be logged on as a member of the local Administrators group.

=> UNIX: You must be logged on as a user with root authorizations.

下面以Linux x86做示範 ,

先確認 SAP HOST AGENT 的版本

以root 登入 O.S 執行

#/usr/sap/hostctrl/exe/saphostexec -version

以下範例是 patch number 是 73

下載新版 SAP HOSTAGENT 壓縮檔

Support Packages and patches => Browse our Download Catalog => SAP Technology Components=>

SAP HOST AGENT=> SAP HOST AGENT 7.20 EXT=> Linux on x86_64 64bit => SAPHOSTAGENT147_147-20006831.SAR

下載後檔案名稱需更改為  SAPHOSTAGENT.SAR

Procedure:

1. 增加一個新目錄,放新版SAPHOSTAGENT.SAR , 目錄名稱 : /usr/sap/hostctrl/new

2. 修改參數 /usr/sap/hostctrl/exe/host_profile

    增加DIR_NEW=/usr/sap/hostctrl/exe_new

3. Extract SAPHOSTAGENT.SAR to /usr/sap/hostctrl/new

          #SAPCAR -xvf SAPHOSTAGENT.SAR

4. Restart SAP Host Agent 使參數生效

5. 等5分鐘後 , 再檢查一下 SAP HOST AGENT 版本 

     #/usr/sap/hostctrl/exe/saphostexec -version
     Patch number 變成 147 , 果然變最新的囉

備註: 預設每5分鐘會到$DIR_NEW下檢查一次是否有新版的 saphostexec 版本