Compact mode: PCM_COMPACT_WITH_HARD_DISKS_INFO : show question before compacting with size disks info PCM_HARD_DISKS_INFO : just get disk info

enum _PRL_COMPACT_MODE {
  PCM_COMPACT_WITH_HARD_DISKS_INFO = 1<<(PACF_MAX+1),
  PCM_HARD_DISKS_INFO = 1<<(PACF_MAX+2)
};