CELL-02018: Internal error detected: Not enough open file descriptors.

Error while creating cell
<< http://oracletechdba.blogspot.com/2014/06/building-exadata-in-vm-for-learning.html#more >>
 
[root@localhost ~]# cellcli -e "create cell interconnect1=eth0"
Cell localhost successfully created
Starting CELLSRV services...
The STARTUP of CELLSRV services was not successful.
CELL-02018: Internal error detected: Not enough open file descriptors.

Solution:
++ Edit the /etc/sysctl.conf and /etc/security/limits.conf 

vi /etc/sysctl.conf
add  
fs.file-max = 655360

++ Save and update the kernal setting without reboot. /sbin/sysctl -p
 

++ vi /etc/security/limits.conf 
add
* soft nofile 655360
* hard nofile 655360

++ then restart