void set_num_disks(unsigned int num_disks) { num_disks_ = num_disks; }
void set_parity_disk_idx(unsigned int index) { parity_disk_idx_ = index; }
void set_read_disk_idx(int index) { read_disk_idx_ = index; }
void set_raid_level(RAID raid_level) { raid_level_ = raid_level; }
private:
void set_num_disks(unsigned int num_disks) { num_disks_ = num_disks; }
void set_parity_disk_idx(unsigned int index) { parity_disk_idx_ = index; }
void set_read_disk_idx(int index) { read_disk_idx_ = index; }
void set_raid_level(RAID raid_level) { raid_level_ = raid_level; }
private: