ExpressCluster X 3.1 for Linux Getting Started Guide - Nec

After start operating ExpressClusterNotes on system monitor resourcesTo change a setting, the cluster must be suspended.System monitor resources do not support a delay warning for monitor resources.If the date or time setting on the OS is changed by the data(1) command or anothermethod while a system monitor resource is operating, that system monitor resource may failto operate normally.If you have changed the date or time setting on the OS, suspend and then resume the cluster.Set SELinux to either the permissive or disabled state.If SELinux is set to the enforcing state, the communication required for ExpressCluster maybe disabled.If the “system monitor” is not displayed in the Type field of the monitor resource definitiondialog box, update the server information by selecting Update Server Data from the Filemenu in the Builder.Up to 64 disks that can be monitored by the disk resource monitor function at the same time.Notes on JVM monitor resourcesWhen restarting the monitoring-target Java VM, suspend or shut down the cluster beforerestarting the Java VM.To change a setting, the cluster must be suspended.JVM monitor resources do not support a delay warning for monitor resources.Notes on final action (group stop) at detection of a monitorresource errorWhen the final action (group stop) has been executed, suspend and resume the cluster, orrestart the cluster for the server.If the group is started on the server on which the final action (group stop) has been executed,the recovery action for the group from the monitor resource will not be executed.Section II Installing ExpressCluster149