#lustre
enable client nid based qos
lctl set_param ost.OSS.ost_io.nrs_policies="tbf nid"
limit client request rate
lctl set_param ost.OSS.ost_io.nrs_tbf_rule=\
"start cn nid={192.168.3.[30-250]@tcp} rate=40"
change rate
lctl set_param ost.OSS.ost_io.nrs_tbf_rule="change cn rate=50"
stop rate limit
lctl set_param ost.OSS.ost_io.nrs_tbf_rule="stop cn"
