$result = $drive->add_disk($conn_asm, DEFAULT_DG, $disk_path);
$error->check();
break;
case 'remove_storage':
$drive = new Drive();
$result = $drive->delete_disk($conn_asm, DEFAULT_DG, $disk_path);
$error->check();
break;
case 'detach_storage':
$drive = new Drive();
if (AWS == TRUE) {
$aws = new Aws($aws_instance_id, $aws_region);
$aws_volume_id = $aws->fetch_volume_id_by_disk_path($disk_path);
$aws->detach_volume($aws_volume_id);
$timer = 0;
while ($aws->fetch_volume_status($aws_volume_id) != 'available') {
$timer += 1;
if ($timer > 60) {
$error->set_msg("Had been waiting for volume status becoming available but timeout.");
}
$error->check();
sleep(1);
}
$aws->delete_volume($aws_volume_id);
}
$error->check();
break;
case 'fc_update_db_flash_cache_size':
$flash = new Flash();
$result = $flash->update_db_flash_cache_size($conn_db, $fc_db_flash_cache_size);
$error->check();
