I see some hosting providers set the inodes limit in the Cpanel but I am unable to find the inode limits option in my server's whm. I like to know how to set these limitations in Cpanel.
Yes, WHM has that feature built-in.
Basically if you have too many small files on hard, you can hit your inodes limit. And nothing else can be written on the hard drive even if there is enough space on it. You can check your current inodes status with the command: #df -i