[db2inst1]$ mkdir /opt/home/db2inst1/db
[db2inst1]$ db2 "create database database_name on /opt/home/db2inst1/db"
DB20000I The CREATE DATABASE command completed successfully.
[db2inst1]$ mkdir /opt/home/db2inst1/db
[db2inst1]$ db2 "create database database_name on /opt/home/db2inst1/db"
DB20000I The CREATE DATABASE command completed successfully.