Introduction to High Availability Cluster
High availability cluster, ie High Availability Cluster, its main function is to realize the automation of server failure detection and resource swit
Tag: LVS
HeartBeat V1 + LDIRECTORD implementation LVS cluster is available
Foreword
High Availability Cluster, or HA Cluster for short, refers to server cluster technology for the purpose of reducing service interruption time. It can be seen from the above that the
Construction: LVS + Keepalived High Available Web Services Cluster Environment
The service involves many technologies. For specific explanations of related technical documents, please refer to the following link:
Centos 7 detailed explanation of load balancing configura
HeartBeat + DRBD + MYSQL + LVS Cluster
Four hosts
Host name IPAddress Purpose
dbm129 172.16.0.129 heart+ mysql beat+ mysql secondary node
dbs130 172.16.0.130 6.0 slave(mater_host=172.16.0.233)
dbs131 2.1 131 131
LVS load balancing scheduling algorithm
LVS Load balancing scheduling algorithm
1. Round Robin (rr )
The scheduler distributes external requests to the real servers of the cluster in turn through the “round-robin” scheduling algorithm. It treats each server equally, regardless of the server The actual number of connections and system load.