1 mkthrottle  -type offload | vdisk | host | hostcluster | mdiskgrp
2?  -bandwidth bandwidth_limit_in_mb
3?  -iops iops_limit
4?  -name throttle_name
5?  -vdisk
5.1 vdisk_id
5.1 vdisk_name
6?  -host
6.1 host_id
6.1 host_name
7?  -hostcluster
7.1 hostcluster_id
7.1 hostcluster_name
8?  -mdiskgrp
8.1 mdiskgrp_id
8.1 mdiskgrp_name