[CentOS] problem i didn't seeing list file new on centos

Sat Jun 18 07:09:38 UTC 2016
alireza baghery <baghery.jone at gmail.com>

i have two server *CentOS 6.5* and
*CentOS 5.9 *
i have one *SAN Storage* on both servers
but when i create file one of server (example Centos 6.5) Other Sever
(Centos 5.9) do not see file
and i must *umount* Disk to seeing files new
how solve this problem
format disk *EXT3*