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:
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
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