Setting up NFS v4 in RHEL6 / CentOS6 with user authentication

Prior to NFS v4, NFS authentication are made via hosts authentication.

Starting from NFS v4,

To allow user id mapping to work in NFS v4, one have to edit /etc/idmapd.conf to match with the DNS domain name of associated hosts.

RHEL / CentOS nic mapping via udev.d

To re-arrange the eth numbering of a nic device, one have to edit /etc/udev/rules.d/70-persistent-net.rules and follow by a system reboot. 


[root@dumphost ~]# cat /etc/udev/rules.d/70-persistent-net.rules
# This file was automatically generated by the /lib/udev/write_net_rules
# program, run by the persistent-net-generator.rules rules file.
#
# You can modify it, as long as you keep each rule on a single
# line, and change only the value of the NAME= key.

# PCI device 0x14e4:0x1639 (bnx2) (custom name provided by external tool)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="98:4b:e1:66:09:ee", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"

# PCI device 0x14e4:0x1639 (bnx2) (custom name provided by external tool)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="98:4b:e1:66:29:40", ATTR{type}=="1", KERNEL=="eth*", NAME="eth2"

# PCI device 0x14e4:0x1639 (bnx2) (custom name provided by external tool)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="98:4b:e1:66:29:42", ATTR{type}=="1", KERNEL=="eth*", NAME="eth3"

# PCI device 0x14e4:0x1639 (bnx2) (custom name provided by external tool)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="98:4b:e1:66:09:ec", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0"