SAP HANA Database Installation failed

SAP HANA DATABASE INSTALLATION FAILED POSSIBLE ERRORS.

Installation of SAP HANA Database failed
Installation failed
error installing
Cannot create Instance
Cannot create instance
Cannot create SecureStore
Getting global.ini
Reading global.ini
Layer 'Default' found
Layer 'System' found
Layer 'Host' not found
Found value 'cryptography/ssfs_key_file_path' = '$(DIR_GLOBAL)/hdb/security/ssfs' in layer 'Default'
Starting external program /usr/sap/XXX/HDB00/exe/hdbnsutil
Command line is: /usr/sap/XXX/HDB00/exe/hdbnsutil -createSecureStore
Output line 1: It is prohibited to execute hdbnsutil as root user
Program terminated with exit code 1
/usr/sap/XXX/HDB00/exe/hdbnsutil call failed

Error Log in the hdbinst.log file :

05:11:19.405 - INFO: -------------------------------------------------------
05:11:19.405 - INFO: Configuring user home ''
05:11:19.405 - INFO: END: Configure Home Dir (start: 05:11:19.405 duration: 00:00:00)
05:11:19.405 - INFO: -------------------------------------------------------
05:11:19.405 - ERR : Cannot create home directory

The sidadm user home dir was not configured.


Solution:

Uninstall the system and install a new one.
Following command uninstall the XXX system via resident hdblcm:

/hana/shared/XXX/hdblcm/hdblcm --uninstall
After the uninstallation, please make sure that:
1. user "xxxadm" does not exist
2. user home directory "/usr/sap/XXX/home" does not exis
3. Then, you can start a new HANA installation.