ExpressCluster X 2.0 for Windows Reference Guide - Nec

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Chapter 12 Troubleshooting This chapter provides instructions for troubleshooting problems with ExpressCluster. This chapter covers: • Troubleshooting···································································································································· 772 • When the ExpressCluster system does not start or end·········································································· 772 • When activating or deactivating network partition resolution resource fails·········································· 773 • When a network partition resolution resource error is detected ····························································· 773 • Network partition resolution resource becomes unavailable·································································· 773 • When activating or deactivating group resources fails··········································································· 774 • When a monitor resource error occurs··································································································· 774 • When a heartbeat time-out occurs ········································································································· 774 • Recovering from failure of one server··································································································· 774 • Recovering from failure of both servers ································································································ 774 • Recovering a suspended server (with unresolved network partition) ····················································· 775 • When network partitioning occurs ········································································································ 776 • Unavailable commands when interconnections are disconnected ·························································· 779 • Connecting mirror disks/hybrid disks manually ···················································································· 780 • Normally connecting mirror disk when mirroring is available······························································· 780 • Forcibly connecting mirror disk when mirroring is not available ·························································· 780 • Recovering from mirror breaks ············································································································· 781 • Automatically recovering from mirroring ····························································································· 781 • Checking the mirror break status with a command················································································ 783 • Checking the mirror recovery progress with a command······································································· 784 • Recovering mirror with a command······································································································ 784 • Running the forcible mirror recovery with a command ········································································· 786 • Running the forcible mirror recovery with a command only on one server············································ 787 • Checking the mirror break status from the WebManager ······································································ 788 • Checking the mirror recovery progress from the WebManager ····························································· 789 • Recovering mirror using the WebManager···························································································· 791 • Running the forcible mirror recovery using the WebManager······························································· 791 • Running the forcible mirror recovery from the WebManager only on one server ·································· 793 • Media sense function becomes invalid ·································································································· 793 771
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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 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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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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Error message Message Cause/Solutio
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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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Chassis identify control command cl
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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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Section II Resource details Resourc
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Section II Resource details Underst
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Displaying the application resource
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Understanding floating IP resources
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Notes on floating IP resources Sect
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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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Notes on registry synchronization r
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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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Environment variables for Start. ba
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Understanding script resources (6)
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(10) Stopping Group B The stop scri
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Additional information 1 Section II
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Additional information 2 When a mon
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A. Group A start script: a sample o
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B. Group A stop script: a sample of
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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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If you click the Details button, th
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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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RIPng tab Detailed settings of RIP
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Understanding CIFS resources Depend
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CIFS resource tuning properties Cac
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Permission Select one of following
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Understanding NAS resources Depende
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NAS resource tuning properties Disc
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Understanding hybrid disk resources
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Hybrid disk resource details tab Se
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Name: Hybrid disk resource name Com
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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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Section II Resource details Monitor
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Monitoring starts after a cluster i
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Public LAN (Also used for Interconn
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Public LAN (Also used for Interconn
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Public LAN (Also used for interconn
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Public LAN (Also used for interconn
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Section II Resource details Monitor
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Returning from monitor error (Norma
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Monitor error occurred Public LAN (
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Activation and deactivation error o
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Section II Resource details Disk re
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Activation failure Section II Resou
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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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Understanding hybrid disk monitor r
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Understanding DB2 monitor resources
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Monitoring by FTP 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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Select the Oracle features to be mo
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Section II Resource details Only th
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Understanding POP3 monitor resource
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Authentication Method SuspendResume
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Understanding SQL Server monitor re
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Install Path Within 1023 bytes Susp
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Default value: None Section II Reso
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Chapter 8 Heartbeat resources This
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Page 795 and 796: Chapter 13 Error messages This chap
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Page 801 and 802: Module Type Event Type Event ID rc
Page 807 and 808: Module Type Event Type Event ID rm
Page 809 and 810: Module Type Event Type Event ID eve
Page 815 and 816: Module Type Event Type Event ID hda
Page 817 and 818: Module Type ftpw httpw imap4w odbcw
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Section III Maintenance information
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Module Type Type md/hd Error 2 md/h
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Script resource Module Type Type sc
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Print spooler resource Module Type
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Virtual IP resource Module Type Typ
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Detailed info of monitor resource e
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Disk RW monitor resource Module Typ
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Module Type Type Return Value Secti
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Module Type Type genw Error 8 Retur
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Module Type Type httpw Error 10 htt
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IP monitor resource Module Type Typ
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NIC Link Up/Down monitor resource M
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Module Type Type oraclew Error 11 o
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Module Type Type pop3w Error 11 pop
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Module Type Type Return Value regsy
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SMTP monitor resource Module Type T
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Module Type sqlserve rw Type Error
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Module Type Type wasw Error 12 wasw
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Module Type Type otxw Error 60 Retu
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Appendix A Glossary Active server A
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Appendix B Index Account tab, 140 A
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Displaying the cluster status, 199,
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unavailable, 773 network partition
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