ExpressCluster X 3.1 for Linux Getting Started Guide - Nec

Installing operating systemsoftdogThis driver is necessary when softdog is used to monitor user mode monitor resource.Configure a loadable module. Static driver cannot be used.The major number of Mirror driverUse mirror driver’s major number 218. Do not use major number 218 for other device drivers.The major number of Kernel mode LAN heartbeat and keepalivedriversUse major number 10, minor number 240 for kernel mode LAN heartbeat driver.Use major number 10, minor number 241 for keepalive driver.Make sure to check that other drivers are not using major and minor numbers described above.Partition for RAW monitoring of disk monitor resourcesAllocate a partition for monitoring when setting up RAW monitoring of disk monitor resources.The partition size should be 10 MB.SELinux settingsConfigure permissive or disabled for the SELinux settings.If you set enforcing, communication required in ExpressCluster may not be achieved.NetworkManager settingsIf the NetworkManager service is running in a Red Hat Enterprise Linux 6 environment, anunintended behavior (such as detouring the communication path, or disappearance of the networkinterface) may occur upon disconnection of the network. It is recommended to setNetworkManager to stop the service.Section II Installing ExpressCluster121