"aio on" unsupported on centos6.8

[foxgab]

it said ""aio on" is unsupported on this platform in
/usr/local/nginx/conf/nginx.conf:25" when i apply my conf.

see version info bellow:

[root]# /usr/local/nginx/sbin/nginx -v
nginx version: nginx/1.10.3

[root]# lsb_release -a
LSB Version:   
:base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID: CentOS
Description:    CentOS release 6.8 (Final)
Release:        6.8
Codename:       Final

[root]# uname -a
Linux nginx-ppr1-public-a1 2.6.32-696.3.2.el6.x86_64 #1 SMP Tue Jun 20
01:26:55 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

Posted at Nginx Forum: https://forum.nginx.org/read.php?2,275320,275320#msg-275320