ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 7 Monitor resource details 560 Public LAN (Also used for Interconnect) Server1 Interconnect LAN server2 Monitor resource Monitor resource IP monitor IP monitor resource 1 resource 1 Failover Group A Disk resource 1 Application resource 1 Floating IP Resource 1 Public LAN (Also used for Interconnect) Server1 Interconnect LAN server2 Monitor resource IP monitor resource 1 Failover Group A Disk resource 1 Application resource 1 Floating IP Resource 1 Gateway Reactivation of the failover group A starts in server1. ”Reactivation Threshold” is the number of reactivation count on a server basis. server1: IP monitor resource 1 Reactivation count 3 times server2: IP monitor resource 1 Reactivation count zero Failover count zero No recovery action is taken because the status of the failover group A is "Stopped". When the reactivation count exceeds its threshold on Server1 Monitor resource IP monitor resource 1 Gateway Failover of the failover group A starts in server1. ”Failover Threshold” is the number of failover count on a server basis. The first failover is on server1 server1: IP monitor resource 1 Reactivation count 3 times Failover count 1 server2: IP monitor resource 1 Reactivation count zero Failover count zero Failover of the failover group A from server1 to server2 ExpressCluster X 2.0 for Windows Reference Guide
Public LAN (Also used for Interconnect) Section II Resource details Server1 Interconnect LAN server2 Monitor resource IP monitor resource 1 Monitor resource IP monitor resource 1 Failover Group A Disk resource 1 Application resource 1 Floating IP Resource 1 Monitor resources In server2, the operation can continue by failover of the Failover Group A because the IP monitor resource 1 is running properly. The following is an example of the process when both servers detect an error while the gateway is specified as IP address of the IP monitor resource. Examples of behavior when the following values are set. Interval 30 sec Timeout 30 sec Retry Count 3 times Recovery Target Failover Group A Reactivation threshold 3 times Failover Threshold 1 Final Action No Operation Gateway Failover of the failover group A completes in server2. server1: IP monitor resource 1 Reactivation count 3 times Failover count 1 server2: IP monitor resource 1 Reactivation count zero Failover count zero 561
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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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Error Detected disk error while rec
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Chapter 4 ExpressCluster command re
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Return Value --grp [group_name] Sec
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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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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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Message output command clplogcmd: t
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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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Section II Resource details Failove
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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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Status: Status of the resources of
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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 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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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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CIFS monitor resources monitor CIFS
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Understanding DB2 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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Chapter 9 Details on network partit
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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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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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� 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 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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