1 chmdiskgrp 2? -name new_name_arg 3 4? -size new_size 5 6? -warning 6.1 disk_size_percentage % 6.2 disk_size 6.2.1? -unit 6.2.1.1 b 6.2.1.1 kb 6.2.1.1 mb 6.2.1.1 gb 6.2.1.1 tb 6.2.1.1 pb 7? -easytier 7.1 auto 7.1 on 7.1 off 7.1 measure 8 mdisk_group_name 8 mdisk_group_id