openstack磁盘IO限制

本文档介绍 openstack磁盘IO限制 的相关内容。

限速级别： 80MB : 5000IOPS = 8 : 500 = 10:575峰值及比例 普通IO：每秒读写限制为50MB，iops限制为1000 50MB=52428800 高IO：每秒读写限制为120MB，iops限制为4000 120M=125829120 超高IO每秒读写限制为300MB, iops限制为15000 300M=314572800

http://www.zhongguosou.com/computer_question_tools/data_rate_caculator.html 计算器

KVM磁盘限速

virsh blkdeviotune centos7.3_101_177_lvbeqpn vda --write-bytes-sec 100000000 --config --live virsh blkdeviotune instance-00000005 vda --read-iops-sec 2000 --write-iops-sec 2000 --config --live virsh blkdeviotune instance-00000005 vda --read-iops-sec 2000 --write-iops-sec 2000 --read-bytes-sec 20971520 --write-bytes-sec 20971520 --config --live # 读写iops=2000 读写带宽=20M virsh blkdeviotune --help -config 写入配置文件 --live 立即生效

https://www.cnblogs.com/nulige/p/9042660.html 动态加载虚拟机usb设备

Cinder 限制挂载卷：

total_bytes_sec： 顺序读写总带宽上限 read_bytes_sec： 顺序读带宽上限 write_bytes_sec： 顺序写带宽上限 total_iops_sec： 随机读写总IOPS上限 read_iops_sec： 随机读IOPS上限 write_iops_sec： 随机写IOPS上限

+ --------------------------------------+-----------+-----------+ | ID | Name | Is Public | + --------------------------------------+-----------+-----------+ | 5dfb9bfb-8cbb-4d37-adef-9730c6060eb5 | ceph-s-io | True | | 1122c650-2e0c-4f71-9668-3a3dc70e41ae | ceph-h-io | True | | e7531c39-9a39-4c35-b3e1-45fce450a85d | ceph-l-io | True | + --------------------------------------+-----------+-----------+ # 创建一个 volume type，名为 cep-ssd cinder type-create ceph-ssd --is-public true openstack volume type create ceph-h-io --property volume_backend_name='RBD' # 需要与配置文件cinder.conf中保持一致，才能进行关联：volume_backend_name = RBD openstack volume type set --property volume_backend_name='RBD' 8430beca-6fa8-4d78-b66d-94abe9a95b0a + ---------------------------------+--------------------------------------+ | Field | Value | + ---------------------------------+--------------------------------------+ | access_project_ids | None | | description | ceph 高io | | id | 8430beca-6fa8-4d78-b66d-94abe9a95b0a | | is_public | True | | name | ceph-h-io | | os-volume-type-access:is_public | True | | properties | volume_backend_name='RBD' | | qos_specs_id | 5663e97b-2cda-431f-9180-6de2fd30137b | + ---------------------------------+--------------------------------------+

# 创建 QoS spec cinder qos-create ceph-ssd-qos consumer=front-end read_bytes_sec=10000000 write_bytes_sec=10000000 read_iops_sec=100 write_iops_sec=100 cinder qos-create ceph-qos consumer=front-end read_iops_sec=800 write_iops_sec=800 openstack volume qos create ceph-l-io \ -consumer front-end \ -property read_bytes_sec=52428800 \ -property write_bytes_sec=52428800 \ -property read_iops_sec=1000 \ -property write_iops_sec=1000

# 关联 QoS spec 和 volume type cinder qos-associate fe3fbed7-faf3-4469-aef2-26f50af93a3f a7635028-3188-4c49-99c3-3620eae97ecb cinder qos-associate <qos_specs> <volume_type_id> openstack volume qos associate <qos_specs> <volume_type_id>

openstack flavor set FLAVOR-NAME \ -property quota:read_bytes_sec=52428800 \ -property quota:write_bytes_sec=52428800 \ -property quota:read_iops_sec=1000 \ -property quota:write_iops_sec=1000 50MB=52428800 iops=1000 120M=125829120 iops=4000 300M=314572800 iops=15000

Flavor 限制虚拟机： https://blog.csdn.net/isclouder/article/details/79189022 http://kevinpig.github.io/2015/09/30/old/openstack-qos/ https://docs.openstack.org/nova/pike/admin/flavors.html 阿里云 https://help.aliyun.com/document_detail/25382.html?spm=5176.11065259.1996646101.searchclickresult.7ffa6931uU7EDD

# 设置iops 为800-1000 普通io 读写带宽普通为10M=10485760 高IO为20M=20971520 # 在线计算器 http://www.bejson.com/convert/filesize/ flavor set 8u16g80GB --property quota:disk_write_iops_sec=800 The disk I/O options are: disk_read_bytes_sec disk_read_iops_sec disk_write_bytes_sec disk_write_iops_sec disk_total_bytes_sec disk_total_iops_sec The vif I/O options are: vif_inbound_average vif_inbound_burst vif_inbound_peak vif_outbound_average vif_outbound_burst vif_outbound_peak