ESX QE450.2 Spezifikationen PDF herunterladen (Seite 298)

Basic System Administration

298 VMware, Inc.

 “ManagingScheduledTasks”onpage 301

 “ReschedulingaScheduledTask”onpage 304

 “RemovingaScheduledTask”onpage 305

 “CancelingaTask”onpage 305

Understanding Tasks

ThescheduledtasksoptionallowsyoutoconfigureselectedVirtualCenteractivitiesto

occuratdesignatedtimes.Thetimingoptionsincludeimmediately,later,orona

recurringbasis.Scheduledtasksareperformedinadditiontomanuallydriven

activities.

CreateascheduledtaskthroughtheNewTaskwizard,whichdisplaystheavailable

task

options.Afteryouselectanoption,thewizarddisplaysthepagesthatarerelevant

tothetypeoftaskyouarescheduling.TheNewTaskwizardendswhenyousetthe

timingofthetask.Afteryoucreateatask,youcanreschedulethetasktochangeits

timingand

frequency.

Ifthedirectionsofmanuallydrivenandscheduledactivitiesconflict,VirtualCenter

performswhicheveractivityisduefirst.Ifavirtualmachineisinanincorrectstateto

performanyactivity,manualorscheduled,VirtualCentersendsamessagetothelog

anddoesnotperformthetask.

Whenyoucreatea

scheduledtask,VirtualCenterverifiesthatyouhavethecorrect

permissionstoperformtheactionsontherelevantdatacenters,hosts,andvirtual

machines.Afterthetaskiscreated,thetaskisperformedevenifyounolongerhave

permissiontoperformthetask.

WhenanobjectisremovedfromVirtualCenter,allassociated

tasksarealsoremoved.

Eventsareloggedtotheeventlogatstartandcompletionofthetasks.Anyerrorsthat

occurduringthetaskarealsorecordedintheeventlog.

Viewing and Performing Tasks

Youhavetheoptiontoviewthelistoftasksassociatedwithparticularinventoryobjects

orthecompletelistoftasksassignedtotheentireVirtualCenterinventory.Tasks

includeactivitiessuchaspoweringonoroffavirtualmachine,cloningavirtual

machine,oraddingavirtualmachinetoaresource

pool.

CAUTIONDonotschedulemultipletaskstobeperformedatthesametimeonthesame

object.Theresultsareunpredictable.

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ESX QE450.2 Spezifikationen Seite 298