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Enterasys Networks X009-U Camera Accessories User Manual

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Features

1-6 Overview

7. Again,youcanentertheshowsystemhigh‐availabilitycommandtoverifysynchronization

iscompleteandthestandbyCMisup.NoteintheoutputthattheStandbyModulestatushas

changedfromSynchronizingtoIn‐Service.

SYSTEM HIGH-AVAILABILITY INFORMATION

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System Coldstart: Wed Mar 9 12:28:24 2005

Current Time: Wed Mar 9 18:36:06 2005

Total System Uptime: 0d06h07m42s

HA-Channel: Primary - Online

Configuration: Warm-Redundant (Failover = Coldstart)

Total Failovers Since Coldstart: 0

Early Repetitive Failure Protection: 10m00s, Expired

CONTROL MODULE INFORMATION

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CM1 In-Service Active Uptime:0d00h54m08s 1.3.2.N

CM2 In-Service Standby Uptime:0d00h05m36s 1.3.2.N

MONITOR VALUES

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Scan Interval: 60s (default)

In-use memory threshold: 85% (default)

Memory change delta: 10240KB (default)

Cpu Usage threshold: 80.0% (default)

BeawarethatiftheactiveCMresetsduringthesynchronization(forexample,duetoasoftware

fault,operatorcommand,power‐loss,orothersystemproblem),youdonotneedtotakeaction.

Thesystemwillfullyrecoveronitsownduringthenextsystemrestart,assumingthatbothCMs

are

leftinstalledinthechassis.However,physicallyremovingtheactiveCMduringtheprocess

maycauseconfigurationdataloss.

Proper CM Recovery

Ifyouwanttoensurethatacertainconfigurationwinsarbitrationoveranotheraftera“physical

loss,”thesolutionistoallowtheCMitisstoredontobecomeactivefirst.Thiscanbe

accomplishedinoneoftwoways:

1. InstallonlyoneCMinthechassis.

2. Donotallow

theotherCMtobootuntilafterthegoodCMhasdeclareditselfactive.

Forexample,saythemistakeyoumadewastoreinsertaninstalledCM(CMainanoriginally

singleCMchassis)backintotherunningsystemknowingthattherewasalreadyanactiveCM

(CMb)running.One

solutionwouldbetophysicallyremoveCMb,insertCMa,allowittobecome

active,theninsertCMb.TheconfigurationcontainedonCMawillthenberestored.

X4-C Fabric Module

TheMatrixX4‐CprovidesaFabricModule(FM)whichconnectsmultipleIOMstoforman

integratedsystem.CurrentIOMsrequiredualFMstosupportlineratetraffic.BothareinActive

mode.

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