Search

4.3. Clustering and High Availability

download PDF
luci support for fence_sanlock
The luci tool now supports the sanlock fence agent as a Technology Preview. The agent is available in the luci's list of agents.
Package: luci-0.26.0-48
Recovering a node via a hardware watchdog device
New fence_sanlock agent and checkquorum.wdmd, included in Red Hat Enterprise Linux 6.4 as a Technology Preview, provide new mechanisms to trigger the recovery of a node via a hardware watchdog device. Tutorials on how to enable this Technology Preview will be available at https://fedorahosted.org/cluster/wiki/HomePage
Note that SELinux in enforcing mode is currently not supported.
Package: cluster-3.0.12.1-59
keepalived
The keepalived package has been included as a Technology Preview, starting with Red Hat Enterprise Linux 6.4. The keepalived package provides simple and robust facilities for load-balancing and high-availability. The load-balancing framework relies on the well-know and widely used Linux Virtual Server kernel module providing Layer4 network load-balancing. The keepalived daemon implements a set of health checkers to load-balanced server pools according to their state. The keepalived daemon also implements the Virtual Router Redundancy Protocol (VRRP), allowing router or director failover to achieve high availability.
Package: keepalived-1.2.7-3
HAProxy
HAProxy is a stand-alone, layer-7, high-performance network load balancer for TCP and HTTP-based applications which can perform various types of scheduling based on the content of the HTTP requests. The haproxy package is included as a Technology Preview, starting with Red Hat Enterprise Linux 6.4.
Package: haproxy-1.4.24-2
Red Hat logoGithubRedditYoutubeTwitter

Learn

Try, buy, & sell

Communities

About Red Hat Documentation

We help Red Hat users innovate and achieve their goals with our products and services with content they can trust.

Making open source more inclusive

Red Hat is committed to replacing problematic language in our code, documentation, and web properties. For more details, see the Red Hat Blog.

About Red Hat

We deliver hardened solutions that make it easier for enterprises to work across platforms and environments, from the core datacenter to the network edge.

© 2024 Red Hat, Inc.