This parameter is available only for Oracle.
The Oracle connection name that identifies the connection parameters for the Oracle Automatic Storage Management (ASM) connection in the Oracle tnsnames.ora file. If configuration parameter asm_tns_filename is not configured, the tnsnames.ora file identified by pds_tns_filename will be used.
<not configured>
A valid ASM connection name from the Oracle tnsnames.ora file specified by either the asm_tns_filename or pds_tns_filename configuration parameter.
Setting of the configuration parameter is only required when the Oracle ASM product is being used to manage Oracle online redo or archive redo storage
pds_tns_filename, asm_tns_filename, asm_username, and asm_tns_password configuration parameters
