ExpressCluster X 3.1 for Linux Getting Started Guide - Nec

Chapter 5 Notes and RestrictionsNote:This dialog box is not displayed if JavaScript is disabled.Reloading the Web browser (by selecting Refresh button from the menu or tool bar), thedialog box to confirm to save is displayed.When you continue to edit, click the Cancel button.Note:This dialog box is not displayed if JavaScript is disabled.When creating the cluster configuration data using the Builder, do not enter the value startingwith 0 on the text box. For example, if you want to set 10 seconds for a timeout value, enter“10” but not “010.”When going through the reverse proxy server, the Builder will not operate properly.Changing the partition size of mirror disks and hybrid diskresourcesWhen changing the size of mirror partitions after the operation is started, see “Changing offset orsize of a partition on mirror disk resource” in Chapter 10 “The system maintenance information” inthe Reference Guide.Changing kernel dump settingsIf you are changing the kdump settings and "applying" them through "kernel dump configuration"(system-config-kdump) while the cluster is running on Red Hat Enterprise Linux 6 or the like, youmay see the following error message output.In this case, stop the cluster once (stop the mirror agent as well as the cluster when using a mirrordisk resource or hybrid disk resource), and then retry the kernel dump configuration.* The following {driver_name} indicates clpka, clpkhb, or liscal.No module {driver_name} found for kernel {kernel_version}, abortingNotes on floating IP and virtual IP resourcesDo not execute a network restart on a server on which floating IP resources are active. If thenetwork is restarted, any IP addresses that have been added as floating IP resources aredeleted.148ExpressCluster X 3.1 for Linux Getting Started Guide