ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 4 ExpressCluster command reference Operating groups (clpgrp command) 256 clpgrp: the clpgrp command operates groups Command line clpgrp -s [group_name] [-h hostname] [-f] clpgrp -t [group_name] [-h hostname] [-f] clpgrp -m group_name [-h hostname] [-a host_name] Description This command starts, deactivates or moves groups. Option Return Value -s [group_name] Starts groups. When you specify the name of a group, only the specified group starts up. If no group name is specified, all groups start up. -t [group_name] Stops groups. When you specify the name of a group, only the specified group stops. If no group name is specified, all groups stop. -m Moves a specified group. group_name -h Makes a processing request to the server specified in host_name. Makes a processing request to the host_name server on which this command runs (local server) if -a host_name -f 0 Success Other than 0 Failure the -h option is omitted. Defines the server which is specified by host_name as a destination to which a group will be moved. When the -a option is omitted, the group will be moved according to the failover policy If you use this option with the -s option against a group activated on a remote server, it will forcefully be started on the server that requested the process. If this command is used with the -t option, the group will be stopped forcefully. Notes Run this command as a user with Administrator privileges. The ExpressCluster service must be activated on the server that runs this command Specify a server in the cluster when you specify the name of server name for the -h and -a options. Make sure to specify a group name, when you use the -m option. When “Normal” is configured for the failover exclusion attribute of a group and you want to move the group with the –m option, explicitly specify a server to which the group is moved by using the –a option. Moving a group will fail when “Normal” groups in all servers to which the group can be moved are activated if you omit the –a option. ExpressCluster X 2.0 for Windows Reference Guide
Example of Execution The following is an example of status transition when operating the groups. Example: The cluster has two servers and two groups. Failover policy of group groupA server1 -> server2 groupB server2 -> serve 1. Both groups are stopped. server1 groupA x groupB x Section I Detailed functions of ExpressCluster server2 2. Run the following command on server1. # clpgrp -s groupA groupA � server1 groupB x server2 GroupA starts in server1. 3. Run the following command in server2. # clpgrp -s groupA � groupB � server1 server2 All groups that are currently stopped but can be started start in server2. Operating groups (clpgrp command) 257
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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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The following is the description of
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For hybrid disk resource Section I
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(6) Current server (only hybrid dis
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When you click the icon of the serv
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Limitations of the WebManager Secti
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Chapter 2 Functions of the Integrat
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Chapter 4 ExpressCluster command re
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Return Value --grp [group_name] Sec
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Message output command clplogcmd: t
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Error Messages Message Causes/Solut
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CPU frequency control command clpcp
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EXEC_SCRIPT IP: Specified script (s
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New password: ********** Retype new
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# clphookctrl -m REBOOT Error messa
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Chapter 6 Group resource details Th
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What is a group? Section II Resourc
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Understanding failover policy Secti
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X X X When the failover exclusive a
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X X ~ For Replicator ~ (two-server
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The following describes how an erro
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Section II Resource details Failove
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Reboot count limit Section II Resou
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Max reboot count 1 Current reboot c
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Displaying and changing the group a
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“C:\Program Files\script.bat” S
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Displaying the application resource
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Understanding floating IP resources
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Understanding mirror disk resources
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Examples of mirror disk constructio
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Tuning mirror disk resource Section
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Displaying the mirror disk resource
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Understanding registry synchronizat
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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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(10) Stopping Group B The stop scri
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A. Group A start script: a sample o
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Tips for creating scripts Section I
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Understanding disk resources Depend
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Disk Resource Properties: Details t
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Service resource tuning properties
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Understanding print spooler resourc
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Services available to the virtual c
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Understanding virtual IP resources
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Determining virtual IP address Sect
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• Timeout (1 to 999999) SuspendRe
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Permission Select one of following
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NAS resource tuning properties Disc
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Understanding hybrid disk resources
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Chapter 7 Monitor resource details
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Monitor resource name Service monit
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esources Tuxedo monitor resources W
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Monitoring starts after a cluster i
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Returning from monitor error (Norma
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appli1 Section II Resource details
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Configuration example Interval 60
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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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Mirror Disk Resource SuspendResume
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IP Address SuspendResume Section II
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User Name Within 255 bytes SuspendR
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Default value: None Section II Reso
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Chapter 8 Heartbeat resources This
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PING network partition resolution r
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Chapter 10 Other monitor settings T
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Section II Resource details The for
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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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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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� While mirror recovery is in pro
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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 Driver ev
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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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