Lustre系统架构-QoS
lustre版本：2.15.4
1. 简介
QoS（Quality of Service）服务质量。
[root@node0 ~]# dd if=/dev/zero of=/mnt/fs00-3.242/ddtets1 bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 11.0249 s, 97.4 MB/s
lctl set_param -P ost.OSS.ost_io.nrs_policies="tbf nid"
[root@node1 ~]# lctl get_param ost.OSS.ost_io.nrs_policies
ost.OSS.ost_io.nrs_policies=
regular_requests:
- name: fifo
state: started
fallback: yes
queued: 0
active: 0
- name: crrn
state: stopped
fallback: no
queued: 0
active: 0
- name: orr
state: stopped
fallback: no
queued: 0
active: 0
- name: trr
state: stopped
fallback: no
queued: 0
active: 0
- name: tbf nid
state: started
fallback: no
queued: 0
active: 0
- name: delay
state: stopped
fallback: no
queued: 0
active: 0
high_priority_requests:
- name: fifo
state: started
fallback: yes
queued: 0
active: 0
- name: crrn
state: stopped
fallback: no
queued: 0
active: 0
- name: orr
state: stopped
fallback: no
queued: 0
active: 0
- name: trr
state: stopped
fallback: no
queued: 0
active: 0
- name: tbf nid
state: started
fallback: no
queued: 0
active: 0
- name: delay
state: stopped
fallback: no
queued: 0
active: 0
[root@node1 ~]# lctl get_param ost.OSS.ost_io.nrs_tbf_rule
ost.OSS.ost_io.nrs_tbf_rule=
regular_requests:
CPT 0:
client_247 {192.168.3.247@tcp} 10, ref 0
default {*} 10000, ref 0
CPT 1:
client_247 {192.168.3.247@tcp} 10, ref 0
default {*} 10000, ref 0
high_priority_requests:
CPT 0:
client_247 {192.168.3.247@tcp} 10, ref 0
default {*} 10000, ref 0
CPT 1:
client_247 {192.168.3.247@tcp} 10, ref 0
default {*} 10000, ref 0
[root@node0 ~]# dd if=/dev/zero of=/mnt/fs00-3.242/ddtets2 bs=1M count=1024
1024+0 records in
1024+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 50.9477 s, 21.1 MB/s