虚拟化高可用 移动云计算服务端技术new

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1、虚拟化高可用2011年5月15高可用和容错•Ahighlyavailablesystemisonethatiscontinuouslyoperationalforadesirablylonglengthoftime.•Afault-tolerantsystemisdesignedsothat,intheeventofanunplannedoutage,abackupcomponentcanimmediatelytakeoverwithnolossofservice.Whatlevelofavai

2、labilityisimportanttoyou?99%available–87hoursor3.5daysofdowntimeperyearItvaries.Thesystem99.9%available–8.76hoursmustmatchtheofdowntimeperyear99.99%available–52minuteshighestlevelofofdowntimeperyearrequirement(the99.999%available–5minutesmost9s)foran

3、yofdowntimeperyearvirtualmachine.Vmware高可用和容错机制•AvailabilityfeaturesinVMwareESX™/ESXi:–Storageavailabilityusingmultipathing–NetworkavailabilityusingNICteaming–VMwareVMotion™andStorageVMotion•VMwareavailabilityproduct:–VMwareSiteRecoveryManager–Decrea

4、sesplannedandunplanneddowntime.SRMprotectsallofyourimportantsystemsandapplicationswithdisasterrecovery.VMwareHAFTMSCSClusteringLevelofHighavailabilityFaulttoleranceFaulttoleranceavailabilityAmountofMinimalZeroZerodowntimeGuestWorkswithallWorkswithall

5、operatingWorkswithWindowssupportedguestsupportedguestsystemsoperatingsystemsoperatingsystemsoperatingsystemssupportedESXWorkswithallLimitedtotheLimitedtohardwarehardwaresupportedESXnewestESXsupportedbysupportedhardwarehardwareMicrosoftUsetoprovidefau

6、ltUsetoprovidehighUseifyoualreadytolerancetoyourUsesavailabilityforallyourhavein-housecriticalvirtualvirtualmachines.expertisewithMSCS.machines.数据保护解决方案•VMwaredata-protectionproducts:–VMwareConsolidatedBackup•Acentralizedbackupfacilityforvirtualmachi

7、nesthatworksinconjunctionwithmanythird-partybackuptools–VMwareDataRecovery•Anagentless,disk-basedbackup-and-recoverysolutionforvirtualmachines,basedonavirtualappliance•BasedontheVMwarevStorageAPIsforDataProtectionvCenterServervCenterServervCenterServ

8、er使用VmwareHA和DRS•ThefirstpriorityofVMwareHAistheimmediateavailabilityofallvirtualmachines.•UsingVMwareHAandDRStogethercombinesautomaticfailoverwithloadbalancing.–ResultsinfastrebalancingofvirtualmachinesafterVMwareHAhasmovedvirtualmachinestodifferent