Solution : https://service.sap.com/sap/support/notes/997810 (SAP Service marketplace login required)
Key words : 
/usr/sap/<sid>/<instance>/j2ee/cluster/server<id>/log directory report, /usr/sap/<sid>/<instance> /sdm/program/doc/sdm_documentation_en, /usr/sap/<sid>/<instance> /sdm/program/doc/sdmcommandlinedoc_en_final, /usr/sap/<sid>/<instance>/sdm/program/log directory, /usr/sap/<sid>/<instance>/work directory, symptom troubleshooting common sdm 6, collected log files, bc-cts-sdm, sdm documentationfor basic, sdm commands refer
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