1、安装libcgroup软件包；

  1. [root@pre-pool1-r6-06-08-18-01 ~]# yum install libcgroup
  2. Loaded plugins: product-id, subscription-manager
  3. This system is not registered to Red Hat Subscription Management. You can use subscription-manager to register.
  4. epel                                                                                                              | 3.0 kB     00:00     
  5. epel/primary_db                                                                                                   | 7.9 MB     00:00     
  6. rhel-HighAvailability                                                                                             | 3.9 kB     00:00     
  7. rhel-HighAvailability/primary_db                                                                                  |  43 kB     00:00     
  8. rhel-LoadBalancer                                                                                                 | 3.9 kB     00:00     
  9. rhel-LoadBalancer/primary_db                                                                                      | 7.0 kB     00:00     
  10. rhel-ResilientStorage                                                                                             | 3.9 kB     00:00     
  11. rhel-ResilientStorage/primary_db                                                                                  |  47 kB     00:00     
  12. rhel-ScalableFileSystem                                                                                           | 3.9 kB     00:00     
  13. rhel-ScalableFileSystem/primary_db                                                                                | 6.8 kB     00:00     
  14. rhel-Server                                                                                                       | 3.9 kB     00:00     
  15. rhel-Server/primary_db                                                                                            | 3.1 MB     00:00     
  16. rhel-dvd                                                                                                          | 3.9 kB     00:00     
  17. rhel-dvd/primary_db                                                                                               | 3.1 MB     00:00     
  18. Setting up Install Process
  19. Package libcgroup-0.40.rc1-5.el6.x86_64 already installed and latest version
  20. Nothing to do

2、开启服务；

  1. [root@pre-pool1-r6-06-08-18-01 ~]# service cgconfig restart
  2. Stopping cgconfig service:                                 [  OK  ]
  3. Starting cgconfig service:                                 [  OK  ]
  4. [root@pre-pool1-r6-06-08-18-01 ~]# chkconfig cgconfig on
  6. [root@pre-pool1-r6-06-08-18-01 ~]# service cgred restart
  7. Stopping CGroup Rules Engine Daemon...                     [  OK  ]
  8. Starting CGroup Rules Engine Daemon:                       [  OK  ]
  9. [root@pre-pool1-r6-06-08-18-01 ~]# chkconfig cgred on

3、修改配置文件

  1. [root@pre-pool1-r6-06-08-18-01 ~]# cat /etc/cgconfig.conf 
  2. #
  3. #  Copyright IBM Corporation. 2007
  4. #
  5. #  Authors:        Balbir Singh <balbir@linux.vnet.ibm.com>
  6. #  This program is free software; you can redistribute it and/or modify it
  7. #  under the terms of version 2.1 of the GNU Lesser General Public License
  8. #  as published by the Free Software Foundation.
  9. #
  10. #  This program is distributed in the hope that it would be useful, but
  11. #  WITHOUT ANY WARRANTY; without even the implied warranty of
  12. #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13. #
  14. # See man cgconfig.conf for further details.
  15. #
  16. # By default, mount all controllers to /cgroup/<controller>
  18. mount {
  19. cpuset        = /cgroup/cpuset;
  20. cpu        = /cgroup/cpu;
  21. cpuacct        = /cgroup/cpuacct;
  22. memory        = /cgroup/memory;
  23. devices        = /cgroup/devices;
  24. freezer        = /cgroup/freezer;
  25. net_cls        = /cgroup/net_cls;
  26. blkio        = /cgroup/blkio;
  27. }
  29. group bio-181 {
  30.         blkio {
  31.                 blkio.throttle.write_iops_device="";
  32.                 blkio.throttle.read_iops_device="";
  33.                 blkio.throttle.write_bps_device="252:0 209715200";
  34.                 blkio.throttle.read_bps_device="252:0 209715200";
  35.                 blkio.reset_stats="";
  36.                 blkio.weight="500";
  37.                 blkio.weight_device="";
  38.         }
  39. }
  42. [root@pre-pool1-r6-06-08-18-01 ~]# cat /etc/cgrules.conf 
  43. # /etc/cgrules.conf
  44. #The format of this file is described in cgrules.conf(5)
  45. #manual page.
  46. #
  47. # Example:
  48. #<user>                <controllers>        <destination>
  49. #@student        cpu,memory        usergroup/student/
  50. #peter                cpu                test1/
  51. #%                memory                test2/
  52. # End of file
  53. *               blkio           bio-181/

4、重启服务

  1. [root@pre-pool1-r6-06-08-18-01 ~]# /etc/init.d/cgconfig restart
  2. Stopping cgconfig service:                                 [  OK  ]
  3. Starting cgconfig service:                                 [  OK  ]
  4. [root@pre-pool1-r6-06-08-18-01 ~]# /etc/init.d/cgred restart
  5. Stopping CGroup Rules Engine Daemon...                     [  OK  ]
  6. Starting CGroup Rules Engine Daemon:                       [  OK  ]

5、测试

  1. [root@pre-pool1-r6-06-08-18-01 tmp]# dd if=/dev/zero of=test bs=512M count=100 conv=fdatasync oflag=direct
  2. 100+0 records in
  3. 100+0 records out
  4. 53687091200 bytes (54 GB) copied, 174.73 s, 307 MB/s