Installation guide

1.1.4 . New and Changed Feat ures for Red Hat Ent erprise Linux 6.4
Red Hat Enterprise Linux 6.4 includes the following documentation and feature updates and
changes.
The Red Hat Enterprise Linux 6.4 release provides support for the Eaton Network Power Controller
(SNMP Interface) fence agent, the HP BladeSystem fence agent, and the IBM iPDU fence agent.
For information on fence device parameters, refer to Appendix A, Fence Device Parameters.
Appendix B, HA Resource Parameters now provides a description of the NFS Server resource
agent.
As of Red Hat Enterprise Linux 6.4, the root user or a user who has been granted lu ci
administrator permissions can also use the lu ci interface to delete users from the system. This is
documented in Section 3.3, “ Controlling Access to luci” .
Appendix B, HA Resource Parameters provides a description of the new nfsrestart parameter for
the Filesystem and GFS2 HA resources.
This document includes a new section, Section 5.1.5, “Commands that Overwrite Previous
Settings” .
Section 2.3, “ Enabling IP Ports” now includes information on filtering the i ptabl es firewall for
i g mp.
The IPMI LAN fence agent now supports a parameter to configure the privilege level on the IPMI
device, as documented in Appendix A, Fence Device Parameters.
In addition to Ethernet bonding mode 1, bonding modes 0 and 2 are now supported for inter-node
communication in a cluster. Troubleshooting advice in this document that suggests you ensure
that you are using only supported bonding modes now notes this.
VLAN-tagged network devices are now supported for cluster heartbeat communication.
Troubleshooting advice indicating that this is not supported has been removed from this
document.
The Red Hat High Availability Add-On now supports the configuration of redundant ring protocol.
For general information on using this feature and configuring the cl uster.co nf configuration
file, refer to Section 7.6, “ Configuring Redundant Ring Protocol” . For information on configuring
redundant ring protocol with lu ci, refer to Section 3.5.4, “Configuring Redundant Ring Protocol” .
For information on configuring redundant ring protocol with the ccs command, refer to
Section 5.14.5, “ Configuring Redundant Ring Protocol” .
In addition, small corrections and clarifications have been made throughout the document.
1.1.5. New and Changed Feat ures for Red Hat Ent erprise Linux 6.5
Red Hat Enterprise Linux 6.5 includes the following documentation and feature updates and
changes.
This document includes a new section, Section 7.8, “ Configuring nfsexport and nfsserver
Resources”.
The tables of fence device parameters in Appendix A, Fence Device Parameters have been updated
to reflect small updates to the lu ci interface.
In addition, many small corrections and clarifications have been made throughout the document.
⁠Chapt er 1 . Red Hat High Availabilit y Ad d- O n Co nfigurat ion an d Management Overview
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