Nginx - 24: Too many open files

# /etc/init.d/nginx start
Starting nginx: nginx: [emerg] open() "/var/log/httpd/domains/domain.cf.bytes" failed (24: Too many open files)
                                                          [FAILED]
 # ulimit -n 1000000
 # /etc/init.d/nginx start
Starting nginx:                                            [  OK  ]

# ulimit -a | grep open
open files                      (-n) 1000000