Hi, all I've problem with iptables when use glusterfs, my glusterfs' version: ---------------------------------- glusterfs 3.2.7 built on Jun 11 2012 13:22:29 Repository revision: git://git.gluster.com/glusterfs.git Copyright (c) 2006-2011 Gluster Inc. <http://www.gluster.com> GlusterFS comes with ABSOLUTELY NO WARRANTY. You may redistribute copies of GlusterFS under the terms of the GNU General Public License. I've configured my iptables rules following this page: http://gluster.org/community/documentation/index.php/Gluster_3.1:_Installing_Red_Hat_Package_Manager_%28RPM%29_Distributions My iptables' rules: ------------------------------------- # cat /etc/sysconfig/iptables # Generated by iptables-save v1.4.7 on Thu Apr 11 00:09:23 2013 *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [21:1996] -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT -A INPUT -p icmp -j ACCEPT -A INPUT -i lo -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT -A INPUT -j REJECT --reject-with icmp-host-prohibited -A INPUT -p tcp -m state --state NEW -m tcp --dport 24007:24047 -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 1000:1100 -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 111 -j ACCEPT -A INPUT -p udp -m state --state NEW -m udp --dport 111 -j ACCEPT -A INPUT -p tcp -m state --state NEW -m tcp --dport 38465:38485 -j ACCEPT -A FORWARD -j REJECT --reject-with icmp-host-prohibited COMMIT # Completed on Thu Apr 11 00:09:23 2013 (node04 is one of my nodes) when i start iptables on node04, and mount the volume set by glusterfs, the result of 'df -h' : node01:/gv0 3.5T 596M 3.3T 1% /data when i stop iptables on node04, and remount the volume, the result of 'df -h': node01:/gv0 4.3T 796M 4.1T 1% /data and the brick size on node04 is 816M ! How should i configure my iptables ? Thanks ! :-) -- Jian Lee ( http://www.ylinux.org/ren/2 )