ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 7 Monitor resource details 576 The TUR monitor resource 1 detects an error in server2 as is the case in server1. However, no recovery action is taken because the failover group A, the recovery target, is activated. For more information on recovery executed by monitor resources against their recovery targets, see “Behavior when an error is detected by a monitor resource” on page 557 Activation failure Server1 Server2 Monitor resource Disk TUR monitor resource 1 Shared disk Server1 Server2 Monitor resource Disk TUR monitor resource 1 Failover Group A Disk resource 1 Application resource 1 Floating IP resource 1 Monitor resource Disk TUR monitor resource 1 Failover Group A Disk resource 1 Application resource 1 Floating IP resource 1 Shared disk Monitor resource Disk TUR monitor resource 1 Failover of the failover group A, due to the failure of activating the disk resource 1, starts in server2. “Failover threshold” of the group resource is failover count on a server basis. The first failover in server2 Activation failure server1: Disk TUR monitor resource 1: Failover count 1 Disk resource 1: Failover count Zero server2: Disk TUR Monitor Resource 1: Failover count Zero Disk Resource 1: Failover count 1 Activating the disk resource 1 due to the failover fails in server1. Server1: Disk TUR monitor resource 1: Failover count 1 Disk resource 1 Failover count Zero Server2: Disk TUR monitor resource 1 Failover count Zero Disk resource 1 Failover count 1 An error can be detected in deactivation of the disk resource depending on the location of the disk device failure. ExpressCluster X 2.0 for Windows Reference Guide
Activation failure Section II Resource details Monitor resource Disk TUR monitor resource 1 Server1 Server2 Failover Group A Disk resource 1 Application resource 1 Floating IP resource 1 Monitor resource Disk TUR monitor resource 1 Shared disk Monitor resource Disk TUR monitor resource 1 Server1 Server2 Monitor error Shared disk Monitor resource Disk TUR monitor resource 1 Failover Group A Disk resource 1 Monitor resources Failover of the failover group A due to the failure of activating the disk resource 1 starts in server1. Failover threshold” of the group resource is failover count on a server basis. The first failover in server1 Server1: Disk TUR monitor resource 1: Failover count 1 Disk Resource 1: Failover count 1 Server2: Disk TUR monitor resource 1: Failover count Zero Disk resource 1: Failover count 1 Activating the disk resource 1 due to the failover fails in server2. Activation failure Application resource Floating 1 IP resource 1 server1: Disk TUR monitor resource 1: Monitor Failover count Once error Disk resource 1: Failover count Once Server2: Disk TUR monitor resource 1: Failover count Zero Disk resource 1: Failover count Once An error can be detected in deactivation of the disk resource depending on the location of the disk device failure. 577
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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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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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# 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 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 script resources (6)
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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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Disk TUR monitor resource: disk res
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Service monitor resources monitor s
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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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Understanding POP3 monitor resource
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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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Recovering a suspended server (with
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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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