* @throws Exception
* if any error occurs
*/
public WhiskasDemo() throws Exception {
target1 = new WhiskasDevice(new DummyDevice(BLOCK_SIZE, BLOCK_COUNT));
target2 = new WhiskasDevice(new DummyDevice(BLOCK_SIZE, BLOCK_COUNT));
raid0 = new WhiskasDevice(
new Raid0Device(new Device[] { target1, target2 }));
raid0.open();
data = new byte[BLOCK_SIZE];