if ( !embeddedDirectory.exists() ) {
embeddedDirectory.mkdirs();
}
File derbyDir = new File( embeddedDirectory, "derby" );
File photoDir = new File( embeddedDirectory, "photos");
Volume vol = new Volume( "photos", photoDir.getAbsolutePath() );
try {
addVolume( vol );
} catch (PhotovaultException ex) {
// This should not happen since this is the first volume, there cannot be
// name conflict!!!