Solution : https://service.sap.com/sap/support/notes/1622837 (SAP Service marketplace login required)
Summary : Key words : Related Notes :
SAP Note elaborates on the shift in Oracle database connection methodology for SAP systems using ABAP and SAP tools. Supported from release 11g, Oracle no longer endorses the OPS$ remote connection. SAP introduces the "Secure Storage in File System" (SSFS) in kernel release 7.20, which stores the encrypted database password in the file system, rather than in the database via the OPS$
rsec_ssfs_datapath = /usr/sap/<sid>/sys/global/security/rsecssfs/datarsec_ssfs_keypath = /usr/sap/<sid>/sys/global/security/rsecssfs/keyrsdb_ssfs_connect = 1, oracle priority recommendations / additional info category program error validity software componentfrom rel, 21 support packages & patches support package patchessoftware componentsupport packagepatch levelsap kernel 7, customer component bc-db-ora-sys database interface / dbms, > > sqlplussql> connect system/<pwd>sql> drop table ops$<sid>adm, sql> alter system reset remote_os_authent [scope=spfile], operating system user <sid>adm, database user ops$<sid>adm, oracle user ops$<sid>adm, __%pdfstyle%__ / } symptom previously
1868094 Overview: Oracle Security SAP Notes 1843967 Oracle: Add. Information - Software Update Manager 1.0 SP09 1843966 Oracle: Add. Information - Software Update Manager 1.0 SP08 1764043 Support for secure storage in BR*Tools 1678336 RSecSSFs: UTF8 conversion failed with returncode 1 1639578 SSFS as password storage for primary database connect 1611877 Support for ABAP SSFS during database connect 1431798 Oracle 11.2.0: Database Parameter Settings 830576 Parameter recommendations for Oracle 10g 700548 FAQ: Oracle authorizations 157499 OPS$ connect and security aspects