on a fresh Oracle 19c RAC we configured GI and chose a port different from the default one and successfully restored our 12cR1 database on it.
now only scan listener shows 1521 even though i dont have it any where.
if i did a grep of 1521 from within $RDBMS & $GI_HOME i found 1521 only inside samples and nowhere else. any idea where it might be coming from?