ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 6 Group resource details Final action 402 When activation fails even though the failover performed as many times as the number set to Failover Threshold, the action configured in Final Action is performed. The final action can be selected from the following operations. - No Operation (Activate next resource) Activates the group resource which depends on the group resource that an activation error is detected. - No Operation (Not activate next resource) Does not activate the group resource which depends on the group resource that an activation error is detected. - Stop Group Deactivates all resources in the group which the group resource that an activation error is detected belongs. - Stop cluster service Stops the ExpressCluster Server service of the server that an activation error is detected. - Stop the cluster service and shutdown OS Stops the ExpressCluster Server service of the server that an activation error is detected, and shuts down the OS. - Stop cluster service and reboot OS Stops the ExpressCluster Server service of the server that an activation error is detected, and reboots the OS. - Generating of intentional Stop Error Generate a stop error intentionally on the server that an activation error is detected. ExpressCluster X 2.0 for Windows Reference Guide
Reboot count limit Section II Resource details What is a group? If Stop cluster service and shutdown OS or Stop cluster service and reboot OS is selected as the final action to be taken when any error in activation or deactivation is detected, you can limit the number of shutdowns or reboots caused by detection of activation or deactivation errors. This maximum reboot count is the upper limit of reboot count of each server. Note: The maximum reboot count is the upper limit of reboot count of a server because the number of reboots is recorded per server. The number of reboots that are taken as a final action in detection of an error in group activation or deactivation and those by monitor resources are recorded separately. If the time to reset the maximum reboot count is set to zero (0), the number of reboots will not be reset. Run the clpregctrl command to reset this number. See “Reboot count control command” in Chapter 4, “ExpressCluster command reference” for details of the clpregctrl command. The following describes the flow of operations when the limitation of reboot count is set as shown below: As a final action, Stop cluster service and reboot OS is executed once because the maximum reboot count is set to one (1). If the ExpressCluster Server service is started successfully after rebooting OS, the reboot count is reset after 10 minutes because the time to reset maximum reboot count is set to 10 minutes. Setting example Retry Count at Activation Failure 0 Failover Threshold 0 Final Action Stop cluster service and reboot OS Max Reboot Count 1 Max Reboot Count Reset Time 10 minutes 403
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ExpressCluster ® X 2.0 for Windows
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© Copyright NEC Corporation 2008.
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vi How to verify the status of each
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Network warning light switch off co
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x Service resources................
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xii Displaying NAS monitor resource
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Displaying and changing the details
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xvi IP monitor resource ...........
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ExpressCluster X Documentation Set
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Contacting NEC For the latest produ
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Chapter 1 Functions of the WebManag
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Section I Detailed functions of Exp
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Server Name: Select this to search
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Module type Category pm ExpressClus
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Mirror disk helper Overview of the
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For hybrid disk resource Section I
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Status Descriptions Server Function
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Operating the cluster (clpcl comman
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Message Cause/Solution Internal com
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Example of Execution The following
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Collecting logs (clplogcc command)
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Execution Result Section I Detailed
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Modifying the log level and size Se
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Type Module Description regsyncw cl
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Type Level Size (byte) hdsnapshot 8
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Message Cause/Solution clpmdctrl fa
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Hybrid disk status display command
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Mirror Color Hybrid disk status in
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Displaying the mirror disk resource
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Server 1 Group A 1 Start Stop Group
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Execution timing of script resource
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Understanding script resources (6)
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Activation failure Section II Resou
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appli1 Section II Resource details
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Configuration example Interval 60
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Maximum reboot count 1 Reboot count
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Changing the name of a monitor reso
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ecovery target. Failover Target Ser
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Replace Section II Resource details
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Understanding IP monitor resources
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IP Address SuspendResume Section II
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User Name Within 255 bytes SuspendR
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PING network partition resolution r
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The alarms command option -N [targe
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Mail report actions Section II Reso
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Section III Maintenance information
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Chapter 11 The system maintenance i
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Chapter 12 Troubleshooting This cha
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When activating or deactivating net
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Checking the mirror break status wi
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3. Logically examine the data on th
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Recovering mirror using the WebMana
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Chapter 13 Error messages Messages
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Chapter 13 Error messages DB2 monit
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Chapter 13 Error messages SQL Serve
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Appendix This section covers: • A
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Appendix A Glossary 862 Mirror conn
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Appendix B Index Displaying and cha
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Appendix B Index Floating IP, 435 F
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Appendix B Index Settings of the PI
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