What Is iotop?
IOTop is a very essential tool for system administrator if you are interested to track down an IO bottleneck of your server. Vmstat also provides an optimal report although it is hard to pinpoint the error using vmstat. Vmstat can help you to understand there is an IO bottleneck.
2. Install iotop
Step 1: InstallingÂ PythonÂ with ctypes moduls.
[root@howtolinux ~]# yum install python python-ctypes
Step 2: To installÂ iotopÂ use the following yum commandÂ to installÂ it onÂ RHEL,Â CentOSÂ andÂ Fedora.
[root@howtolinux ~]# yum install iotop
Step 3: Running iotop
[root@howtolinux ~]# iotop
Other supported options by iotop command showed if you type:
[root@howtolinux ~]# iotop –help