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ManualsBrandsRed Hat ManualsOtherENTERPRISE LINUX 5.4 - SYSTEMTAP BEGINNERS GUIDE
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Release Notes
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Further Reading
The Cluster Suite Overview
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document provides an overview of Red Hat Cluster Suite for Red
Hat Enterprise Linux 6. Additionally, the High Availability Administration
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document describes the
configuration and management of Red Hat cluster systems for Red Hat Enterprise Linux 6.
7.1. Corosync Cluster Engine
Red Hat Enterprise Linux 6 utilizes the Corosync Cluster Engine for core cluster functionality.
7.2. Unified Logging Configuration
The various daemons that High Availability employs now utilize a shared unified logging configuration.
This allows system administrators to enable, capture and read cluster system logs via a single
command in the cluster configuration.
7.3. High Availability Administration
Conga is an integrated set of software components that provides centralized configuration and
management for Red Hat Enterprise Linux High Availability. One of the primary components of Conga
is luci, a server that runs on one computer and communicates with multiple clusters and computers. In
Red Hat Enterprise Linux 6 the web interface that is used to interact with luci has been redesigned.
7.4. General High Availability Improvements
In addition to the features and improvements detailed above, the following features and enhancements
to clustering have been implemented for Red Hat Enterprise Linux 6.
• Enhanced support for Internet Protocol version 6 (IPv6)
• SCSI persistent reservation fencing support is improved.
• Virtualized KVM guests can now be run as managed services.
8. Security
Further Reading
The Security Guide
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assists users and administrators in learning the processes and practices of
securing workstations and servers against local and remote intrusion, exploitation and malicious
activity.
8.1. System Security Services Daemon (SSSD)
The System Security Services Daemon (SSSD) is a new feature in Red Hat Enterprise Linux 6 that
implements a set of services for central management of identity and authentication. Centralizing
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http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Cluster_Suite_Overview/index.html
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http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Cluster_Administration/index.html
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http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Security_Guide/