ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 7 Monitor resource details 694 Note 3 A monitor table is created when monitoring is started and it is deleted when monitoring is stopped due to the stop of the failover group. When monitoring is temporarily stopped or when server fails before the failover group stops due to system error, the monitor table will not be deleted. It is not an error if an alert message saying that “a monitor table exists” is displayed next time when monitoring is started. Note 4 SQL Server may produce operation logs for each monitoring. Configure the SQL Server settings if this needs to be adjusted. Monitoring by SQL Server monitor resources A monitor table is created on the database. Maximum of 10-digits numeric data is read and written by issuing SQL statements. As a result of monitoring, the following is considered as an error: (1) When connection to the database fails. (2) When an error is notified as a response to the issue of SQL statement. (3) When the written data and read data do not match. The SQL statement to use is: create/drop/insert/update/select. Displaying and changing the SQL Server monitor resource details 1. Click Monitors on the tree view displayed on the left side of the Builder window. 2. List of the monitor resources is displayed in the table view on the right side of the screen. Right click the target SQL Server monitor resource, and click the Parameter tab in the Monitor Resource Property window. 3. On the Parameter tab, you can display and/or change the detailed settings by following the description below. Database Name Within 255 bytes SuspendResume ExpressCluster X 2.0 for Windows Reference Guide
Section II Resource details Understanding SQL Server monitor resources Specify the database name to be monitored. You must specify the name. Default value: None Instance Name Within 255 bytes SuspendResume Specify the database instance name. You must specify the instance name. Default value: MSSQLSERVER User Name Within 255 bytes SuspendResume Specify the user name to log on to the database. If the user name is not specified, Windows authentication is used. Default value: SA Password Within 255 bytes SuspendResume Specify the password to log on to the database. Click Change and enter the password in the dialog box. Default value: None Monitor Table Name Within 255 bytes SuspendResume Specify the name of a monitor table created on the database. You must specify the name. Make sure not to specify the same name as the table used for operation because a monitor table will be created and deleted. Be sure to set the name different from the reserved word in SQL statements. Default value: SQLWATCH ODBC Driver Name (Within 255 bytes) SuspendResume Select the driver name of the target database shown in the ODBC tab when you click Start -> Administrative Tools -> Data Sources (ODBC). Select SQL Native Client in SQL Server 2005. Select SQL Server Native Client 10.0 in SQL Server 2008. Default value: SQL Native Client Displaying the SQL Server monitor resource properties with the WebManager 1. Start the WebManager (http://FIP_address_for_the_WebManager_group: port_number (the default value is 29003)). 2. Click the SQL Server monitor resources object, , in the tree view. The following information is displayed in the list view. 695
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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 4 ExpressCluster command re
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Return Value --grp [group_name] Sec
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Examples of executing the command t
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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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Error Message Section I Detailed fu
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Modifying the log level and size Se
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Types that can be specified for the
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Type Module Description regsyncw cl
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Type Level Size (byte) hdsnapshot 8
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Monitoring Agent Types that can be
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Mirror disk resource operation comm
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Message Cause/Solution clpmdctrl fa
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Error messages Message Causes/Solut
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Hybrid disk status display command
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Mirror Color Hybrid disk status in
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� Hybrid disk resource configurat
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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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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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Reboot count limit Section II Resou
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Max reboot count 1 Current reboot c
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Section II Resource details Display
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Displaying and changing the group a
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Section II Resource details Logical
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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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• 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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Section II Resource details Disk TU
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esources Tuxedo monitor resources W
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Monitoring starts after a cluster i
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Public LAN (Also used for Interconn
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Returning from monitor error (Norma
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Activation and deactivation error o
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Activation failure Section II Resou
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Delay warning of monitor resources
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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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Choose servers that execute monitor
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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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NIC Link Up/Down monitor resource p
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Warning Threshold · When selected:
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Disk TUR monitor resource: disk res
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Service monitor resources monitor s
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CIFS monitor resources monitor CIFS
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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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Recovering a suspended server (with
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Section III Maintenance information
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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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