Introduction to high-availability cluster software for main Linux platforms
Source: Internet
Author: User
Download the high-availability cluster software on the main Linux platform-general Linux technology-Linux programming and kernel information. For details, see the following. This article briefly introduces the cluster software of Linux.
Reposted By Author: nntp last updated: 20060824
Linux clusters are mainly divided into three categories: high-availability clusters, Server Load balancer clusters, and scientific computing clusters)
High Availability Cluster)
Load Balance Cluster)
High Performance Computing Cluster)
High Availability Cluster)
Generally, HA clusters made up of two nodes have many unscientific names, such as "dual-machine hot backup", "dual-machine mutual backup", and "dual-machine ".
The high-availability cluster ensures that your applications continuously provide external services. (Note that a high-availability cluster is not used to protect business data, but to protect your business programs from providing external services without interruption, minimize the impact of software/hardware/human faults on the Business)
Common high-availability clusters on the Linux platform include:
1. RedHat's open-source RedHat Cluster Suite, RHCS for short.
-RHCS is actually a suite. In addition to the high-availability cluster software mentioned now, it also contains LVS-based load balancing software.
-The cluster software contained in RHCS is an open-source cluster system under the GPL protocol.
-The current versions of RHCS include RHCS v3 and v4, which correspond to the 3.0 and 4.0 families of RedHat Enterprise Linux respectively.
-RHCS is an independent product that exists independently, whether purchased or downloaded, and is not included in RedHat Enterprise Linux.
RHCS acquisition:
There are three ways to obtain RHCS:
A. Buy from redhat's official sales channel and get the binary code of RedHat RHCS (CD or directly download from RHN-RedHat Network), source code, and support and upgrade services.
B. Download The SRPM package from the official site of redhat, compile and install it, and there is no original commercial support or upgrade service)
C. download and install the RHCS binary code package from centOS official site without Original commercial support and upgrade services. Download here (http://mirror.centos.org/centos/4/csgfs/, please read README file in this directory)
2. Novell's open-source high-availability cluster HA suite
Novell acquired SuSE, Europe's largest Linux plant, and became a major force in the world to compete with RedHat.
SuSE Enterprise Linux comes with an open-source HA cluster software, including heartbeat, heartbeat-ldirectord, heartbeat-pils, heartbeat-stonith, and drbd, src_vipa software for virtual IP addresses. unlike RHCS, the HA cluster software provided by SuSE/Novell Enterprise Edition Linux is not an independent software. As described above, it is a different part of the program provided by different open source code projects.
Cluster software acquisition:
The software components of this cluster have been attached to the SuSE Linux Enterprise Server (SLES9, SLES10) and SuSE Linux Enterprise Server (SLES9, SLES10) discs, which can be obtained from download.novell.com for free, and provides two months of Online Network Update Service. you only need to register an account for the novell website free of charge on the novell site, you can download all the CDs of SLES9 and SLES10 ISO.
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
