The A1000 is not a jbod, it is a hardware based RAID device. There are several HBA's that can be used depending on your host (SBUS, PCI). Check A1000 docs for part numbers.
You will need to install the latest rm6 packages. During the installation of this package, initial configuration will be done for you. Once rm6 is installed, you can use the rm6 GUI to configure your LUNS and present these to your OS or volume management software. Important to check patches and firmware on the host and array. Check firmware matrix from sunsolve.sun.com for the A1000.