ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 5 Compatible command reference 340 Return Value 0 Success (the target application or service has started) 1 Cannot start the target application or service 2 Cannot perform process monitoring 3 The specified watchID is already used. 4 Time-out occurred while waiting for the service to complete startup (the service is starting up). 8 The ExpressCluster Server service is not started. 9 The parameter is invalid. Remarks (1) This command can be used only in scripts. (2) Multiple parameters can be specified for a command that is passed to an executable file. (3) The figure below indicates operations performed when the application or service started by ARMLOAD fails. 1. The application or service is started by ARMLOAD 2. A failure occurs 3. Threshold check 4. When the threshold is not exceeded, the application or service is restarted by scripts. 4.-1: Stop script execution 4-2: Start script execution 5. When the threshold is exceeded, a failover occurs or a server shuts down 5-1: Stop script execution 5-2: Fails over to another ExpressCluster server 5. Failover or server shutdown 4. Restart request from the script START ExpressCluster ARMLOAD 4-2 1.Start STOP 4-2 Restart the ARMKILL application or 5-1 service ExpressCluster START ARMLOAD 5-2 STOP ARMKILL 3. Threshold check 2. Process disappearance Service stop ExpressCluster X 2.0 for Windows Reference Guide
Section I Detailed functions of ExpressCluster Starting the applications or services (armload command) Notes (1) This command can be specified only in scripts. (2) When you start the application with GUIs without specifying an account, select Allow service to interact with desktop on the ExpressCluster Server service. When not selected, GUIs of the application are not displayed. (3) When you specify a user account, it should have “local logon” permission. For information on the user permissions, see the help of the domain user administrator. When you specify the domain of an account explicitly, specify the following. Note that the domain name and the user name should be within 15 characters. When the account is a local administrator: armload watchid /u administrator ap.exe When the account is a domain\administrator: armload watchid /u domain\administrator ap.exe (4) When you use the monitoring function (/M option) of the ARMLOAD command, specify Dr. Watson (DRWTSN32.EXE) as a default debugger used by the operating system. To check this setting, go to the registry \\HKEY_LOCAL_MACHINE\Software\Microsoft\ Windows NT\CurrentVersion\AeDebug and find the value with the name “Debugger” or “Auto.” Check if the value of “Auto” is set to 1, and “Debugger” to “DRWTSN32.” When the setting values are different from those, change the settings to use Dr.Watson in addition to the default debugger you are using. For this setting, start Dr.Watson by running the drwtsn32 –i command on the command prompt. At OS installation, the value of “Auto” is set to 1, and “Debugger” to “DRWTSN32.” (5) Applications not suitable for ARMLOAD monitoring function The applications whose processes do not stay resident persistently are not suitable for the process monitoring (*). Since the process monitoring is assumed to monitor processes that stay persistently and do not terminate by themselves, it determines that an error occurs on an application when the started process is terminated. (*) The following applications are examples: An application whose process started by ARMLOAD does not stay resident persistently An application whose process started by ARMLOAD starts its child process, and the process started first does not stay resident persistently (ARMLOAD only monitors the process it started) (6) The application that requires GUIs may be terminated when it is started by the ARMLOAD command and logged off. To prevent the application from being terminated, start it with an account (/U option). 341
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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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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 Level Size (byte) hdsnapshot 8
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Monitoring Agent Types that can be
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Displaying the application 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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(10) Stopping Group B The stop scri
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Permission Select one of following
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Monitor resource name Service monit
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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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IP Address SuspendResume Section II
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User Name Within 255 bytes SuspendR
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Chapter 8 Heartbeat resources This
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PING network partition resolution r
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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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When activating or deactivating net
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3. Logically examine the data on th
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Chapter 13 Error messages Messages
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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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