Hi I am using the system as shown below. ********************************* [root at localhost sbin]# cat /etc/*release LSB_VERSION=base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphi cs-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0-noarch Red Hat Enterprise Linux Server release 6.5 (Santiago) Red Hat Enterprise Linux Server release 6.5 (Santiago) [root at localhost sbin]# uname -a Linux localhost.localdomain 2.6.32-431.el6.x86_64 #1 SMP Sun Nov 10 22:19:54 EST 2013 x86_64 x86_64 x86_64 GNU/Linux [root at localhost sbin]# ********************************** In case of power failure on this server , how can i make the system to shutdown gracefully so that it unmounts the file-system and cleans up the required buffers. My server does have a battery backup so it will help in shutting down the system more gracefully. I tried looking at this link: https://www.olimex.com/forum/index.php?topic=3326.0 But it did not help. Appreciate if someone can help me in this regard. Thanks Jatin