Brocade Communications Systems 415 Manual do Utilizador descarregar pdf (Página 2)

monitorperformanceacrossgroupsofHBAs

andHBAportsatthesametime,capture

diagnosticsinformationautomaticallyin

theeventofafailure,andreceiveproactive

alertswhenHBAeventsoccur(seeFigure1).

BrocadeHBAsalsoenableVMdiscoveryin

VMwareESXenvironmentswithinBrocade

NetworkAdvisor.VMdiscoveryprovides

anend-to-endviewoftheVM-to-Logical

UnitNumber(LUN)pathinformationforall

theVMsrunningoneachphysicalserver,

withdetailedinformationsuchashostOS,

assignedCPUandmemoryresources,and

all the data stores associated with each

VM.Thisprovidesunprecedentedlevelsof

visibilityintothevirtualserverinfrastructure

forSANadministrators,enablingthem

tomoreefcientlymanagetheirstorage

networkresources.CoupledwithN_Port

IDVirtualization(NPIV),BrocadeNetwork

Advisor can also provide end-to-end

performancestatisticswithVMgranularity.

Boot-over-SANenablesthedeploymentof

bothDirect-AttachedStorage(DAS)point-

to-point topology as well as diskless servers

andcentralizedmanagementofOSimages

inthesharedstoragepool.Traditionalboot-

over-SANenvironments,however,require

accesstoeachindividualHBABIOS(and

eachindividualserverconsole),making

themcumbersometocongure,laborious

tomaintain,andpronetohumanerror.

To simplify the management of boot-over-

SANenvironments,BrocadeHBAsprovide

fabric-basedbootLUNdiscovery—afeature

thatenableseachservertoautomatically

retrieve its boot LUN information from the

switchfabric.Thisprovidesacentralized

managementpointforallboot-over-SAN

operationsthroughBrocadeNetwork

Advisor,enablingorganizationstofully

reapthebenetsofdisklessservers.

AllHBAmanagementandVMvisibility

featuresareavailableacrossallthree

editions of Brocade Network Advisor:

Professional,ProfessionalPlus,and

Enterprise.Forsimpledeviceconguration,

driverupdates,ortoobtainHBAandport

statistics, a Graphical User Interface (GUI)

element manager and a Command Line

Interface(CLI)arealsoavailable.Both

Brocade Network Advisor and the element

manager provide open APIs and standards-

basedinterfacesforintegrationwithpopular

third-party applications and higher-level

frameworks to help orchestrate Brocade

hardwareandSANservices.

Brocade

Network

Advisor

HBAs

VM Visibility

Fabric

End-to-End Visibility

Storage

E-mail Database

IOPS

1.7x

Brocade

Brand A

Brand B

315,000

176,000

1.8x

2.7x

3.9x

High

Medium

Low

VM3

VM2

VM1

Hypervisor

OS OS OS

Figure 3.SAOextendsQoStotheVMlevel.

Figure 2. Brocade HBAs can provide nearly three times the performance of competing

offeringsinreal-worldapplicationscenarios.

Figure 1.BrocadeNetworkAdvisorprovidesuniedmanagementofSANandHBAresources

withend-to-endVMvisibility.

UNMATCHED PERFORMANCE

Withtherecentadvancesinservertechnology,

includingIntelNehalemprocessors,servers

arenowcapableofrunningmoreworkloads

thanever.Thisdriveshigherconsolidation

andvirtualizationratios,withmoreVMs

beingdeployedperserver,whichinturn

drivesunprecedentedI/Orequirements.

ThesuperiorperformanceofBrocadeHBAs

providesthenecessarybandwidthandI/O

power for the most demanding environments

(seeFigure2).

Ultimately,thismeansthatbusinesses

ofallsizescanscaletheirvirtualserver

deploymentsandvirtualizehighly

demanding applications with greater

condence,resultinginbetterserver

resourceutilizationandlowercapital

andoperationalcosts.

OPTIMIZED FOR VIRTUAL

ENVIRONMENTS

Inanon-virtualizedenvironment,every

application is tied to a physical server, which

inturnconnectstoaphysicalSANswitch

portina“static”manner.Applyingnetwork

policiessuchaszoningorQoS—ormonitoring

applicationperformance—issimplebecause

the application is permanently associated

withthephysicalport.

Withservervirtualization,multiple

applications reside in a physical server and

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