failover support

diagram installation, establishment of a Windows Server 2012 failover Cluster Introduction: This article provides a detailed picture of how to install, verify, establish, configure, and test failover clusters in Windows Server 2012. Key words:

ContextYou have decided to use the cluster to provide highly available services when designing or modifying the infrastructure layer.ProblemHow should you design a highly available infrastructure layer to prevent service loss due to a single server

It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a load-balanced cluster, which is designed to ensure continuity and availability of services, not to improve service

It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a load-balanced cluster, which is designed to ensure continuity and availability of services, not to improve service

The first half of the task, there is a SQL Server Advanced topic, advance topics inside another important is about the cluster. Then there is the study.SQL Server cluster, the English full name is called Failover clustering, belongs to the category

It is necessary to note that the SQL Server failover cluster (SQL Server Failover Cluster) We build is an availability cluster, not a load-balanced cluster, which is designed to ensure continuity and availability of services, not to improve service

Reprint: http://dufei.blog.51cto.com/382644/902026Today, customers ask about Windows Clustering, after all, the cluster technology supported by Windows SERVER2008 and Windows Server2003 are a bit different, and the following knowledge is collected

MHA IntroductionMHA is a MySQL, a Japanese MySQL Daniel written in Perl failover scheme to ensure the high availability of the database system. During downtime (usually within 10-30 seconds), complete failover, deploy MHA, avoid master-slave

The transformation of Google architecture from failover system to multi-homed architectureRunning a single data center is difficult, so switch to a dual datacenter if you need to support multiple data centers in different geographies. Google has a

Environment Introduction:Master:demoenv-trial-1Slaves:demoenv-trial-2 demoenv-trial-3 1. Install Percona server, on all servers:$ sudo yum install http://www.percona.com/downloads/percona-release/percona-release-0.0-1.x86_64.rpm$ sudo yum install