Oroch

摘要： 单主模型IPVS示例配置keepalive高可用的ipvs集群示例：修改keepalived配置文件修改主机：192.168.234.27的keepalived配置文件 1 [root@234c27 ~]# vim /etc/keepalived/keepalived.conf 2 ! Configuration File for keepalived 3 4 global_defs {... 阅读全文

摘要： 高可用集群集群Cluster集群类型：LB lvs/nginx（http/upstream, stream/upstream）HA 高可用性SPoF: Single Point of FailureHPC系统可用性的公式：A=MTBF/（MTBF+MTTR）(0,1), 95%几个9（指标）: 99%, ..., 99.999%，99.9999%；系统故障：硬件故障：设计缺陷、wear out（损... 阅读全文