SASBased Strech MetroCluster Configurations GuideWord格式.docx

SASBased Strech MetroCluster Configurations GuideWord格式.docx

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10

5.1.2FC-VI卡速度的设置方法10

5.2验证diskshelf的连接性11

5.3Testfailurescenarios12

5.4ChangeFSIDOption12

5.5Exampleofrejoiningaggregates13

5.6Exampleofre-creatingamirroredaggregate14

1参考文档

Active-Activeconfigurationguide；

ATTOFibreBridge6500NInstallationandOperationManual；

ConfiguringaMetroClustersystemwithSASdiskshelvesandFibreBridge6500Nbridges；

TR-3548:

BestPracticesforMetroClusterDesignandImplementation

2Strechmetrocluster组件

ANetAppstretchMetroClusterconfigurationincludesthefollowingcomponents:

Hardware:

Ø

StandardHApairofFAS30xx,FAS31xx,FAS32xx,FAS60xx,orFAS62xxseriescontrollersrunningacompatibleversionofDataONTAP（seetheMetroClusterCompatibilityMatrixontheNetAppSupportsiteforsupportedmodelsandspecificDataONTAPreleases）

FC-VIclusteradapter（mandatoryfor31xx,32xx,62xx）fortheclusterinterconnect

Copper/fiberconvertersforclusterinterconnect（9xx,30xx,60xxonly）

Associatedcabling

SufficientFCinitiatorports（storageadapters）

Extradiskshelvestoaccommodatethemirroreddata

IfusingSASshelves,FibreBridges:

twoperstackofSASshelves（DS4243,DS2246）

Software

TobeenabledoneachcontrollerofthestretchMetroClusterconfiguration，YoursystemmustberunningDataONTAP8.1orlater

cluster_remotelicense：

forthesitefailoverondisasterfunctionality

syncmirror_locallicense：

forsynchronousmirroringacrosssites

clusterlicense：

forcontrollerfailoverfunctionality

3StretchMetroCluster（FibreBridge）存储内部的连线图

Minimum:

4FibreBridgesperstretchMetroClusterconfiguration,twooneachsiteExistingDS14stretchMetroClusterconfigurationscanbeexpandedwithSASshelvesusingFibreBridge

Figure15）SAS-basedstretchMetroClusterusingFibreBridge.

MultipathHAistheonlysupportedconfigurationforMetroClustersystemsusingbridges.

Bothcontrollersmusthaveaccessthroughthebridgestothediskshelvesineachstack.

AstackofSASdiskshelvescancontainshelvesofSATAdiskdrivesandshelvesofSASdiskdrives;

however,SATAandSASdiskdrivescannotbemixedinthesamediskshelf.

Youshoulduseanequalnumberofdiskshelvesateachsite.

Thesystemconnectivityrequirementsformaximumdistancesfordiskshelves,FCswitches,andbackuptapedevicesusing50micronmultimodefiberopticcables,alsoapplytoFibreBridges.

TwobridgesarerequiredperstackofSASshelves（forredundancyandbetterperformance）,uptoamaximumof10SASshelvesperstack.Ataminimum,stretchMetroClusterwillrequire4bridges,2perstack,with1stackoneithersite.

StretchMetroClusterconfigurationusingSASdiskshelvesissupportedupto5meters.

ForstretchMetroClusterconfigurationsusingSASdiskshelveshavingdistancegreaterthanfive

metersrequiretheuseoftheFibreBridge6500Nbridges.EachstackofSASdiskshelvesrequirestwoFibreBridges.

ATAdrivesarenotsupportedinaMetroClusterconfiguration.

Note:

ThebridgeSASportBisdisabled.

Forresiliency,connectbridgestodifferentASIC/chipsets.Forexample,ifyouareusingonboardports,cableeachbridgetoadifferentportset,suchas0aand0cor0band0d.IfyouareusingHBAs,connecteachbridgetoadifferentHBA.

4FibreBridge6500N

4.1FibreBridge6500N产品介绍

StartingwithDataONTAP8.1,MetroClustersupportsSASshelves（DS4243,DS2246）.TheshelvesattachtotheMetroClusterconfigurationusingaSAStoFCBridgecalledtheFibreBridge.

StretchMetroClusterconfigurationsachievecampusdistances（max500m）usingfiberopticcablesofsufficientlength.Thesecablesextendfromcontrollertocontrollerandfromcontrollertoshelfacrosscampusdistances.SAScableslackthelengthrequiredforcampusdistances;

asaresulttheFibreBridgeisnecessarytoleveragefiberopticcablesofextendedlength.

Figure12）FibreBridge6500Nfront.

Figure13）FibreBridge6500Nback.

FibreBridge6500Nphysicalcharacteristics:

✓1Upizzabox（Figures12and13）

✓28GbFibreChannelSmallFormFactorPluggablePlus（SFP+）ports

✓2X46GbSASQSFP+ports（only1portused）

✓Two（x4）wide6Gb/scapableSASconnectorsarepresentonthe6500Nhoweveronlythe'

A'

labelledconnectormaybeusedtoconnectdiskshelves.Shelves/devicesconnectedtothe'

B'

portwillnotberecognizedbythebridge.

✓2Ethernetportsformanagement

✓Ethernetports1&

2arefunctionallyequivalentandconnectiontoatleastoneisrecommended.

✓1serialportforinitialconfiguration

FibreBridge6500Nconfiguration:

✓2FibreBridgesrequiredperstack（forredundancyandbetterperformance）

✓DataONTAP8.1requiredataminimum

✓10shelvesmaximumperstack

✓ExistingDS14-basedMetroClusterconfigurationscanbeexpandedwithSASshelvesusingFibreBridge

FibreBridge6500Nperformance:

✓63kIOPSmaximumfor4kBreads

✓52kIOPSmaximumfor4kBwrites

✓1.1GB/secthroughputmaximum,usingbothFCportsand128kBreadsandwritesFormoreinformationonFibreBridgeperformance,seesectiononPerformancelaterinthisdocument.

✓FibreBridgestack（Figure14）:

✓2FibreBridgesperstack（forredundancyandbetterperformance）

✓Upto10shelvesperstack

✓AsofDataONTAP8.1.1,mixingDS4243andDS2246insamestackisnotsupported

✓DS4243（withSASdisks）andDS4243（withSATAdisks）canbemixedinthesamestack

Figure14）SASshelfstackusingFibreBridge.

4.2FibreBridge6500N的设置

FibreBridge6500N的管理工具：

theATTOExpressNAVGUI，ATTOQuickNAVutility

4.2.1使用串口连接

IntheCOMPropertiesdialogueboxselectthefollowingvalues:

•Bitspersecond:

115200

•DataBits:

8

•Parity:

None

•StopBits:

1

•FlowControl:

None

•Terminaltype:

ASCII

•Echo:

on

4.2.2使用telnet连接

Atthetelnetprompt,issuetheopencommandwherex.x.x.xistheIPaddressoftheFibreBridgeManagementPort.telnet>

openx.x.x.x4

Ifyouhavetospecifyaporttype,entertheporttype“telnet”andtheterminaltype“vt100”.

porttype:

telnet

terminaltype:

vt100

root,andthepassword,Password（默认）

4.2.3配置FibreBridge6500N的IP地址

使用QuickNAVutility工具配置IP地址

1WhenconnectingtoaManagementPort（Ethernet1or2）,intheabsenceofnetworkconnectivityanEthernetcablecanbeusedtoconnecttheEthernetportdirectlytoalaptoporothercomputer.

2WorkfromthecomputerattachedtotheFibreBridgeEthernetportonthesamebroadcastdomain.RuntheQuickNavUtilityQuickNAV-windows.exeforWindowsorQuickNAV-MacforMacOSX.

3LocatetheFibreBridgewiththeserialnumberrecordedearlier.

4Highlighttheserialnumber.

5ClickNext.IfaDHCPserverisavailableonyournetwork,anaddressisassignedautomaticallybytheserver.

Notetheassignedaddress:

IfyoudonothaveaDHCPserver:

refertotheIPaddress,subnetmaskandGatewayaddresspreviouslyobtainedfromyournetworkadministrator,typeitintotheareaprovidedandclickNext.SelectOKtorestarttheFibreBridgeandwait1minutewhiletheFibreBridgereboots.TheManagementPortthatisdirectlyconnectedtothecomputerisnowconfiguredandreadytobeused.

6ClickonLaunchBrowser.Result:

TheATTOExpressNAVinterfacewelcomescreenappears.

ExpressNAVGUI:

InternetExplorer8or9,orMozillaFirefox3.

使用CLI配置IP地址

ToconfigureanEthernetManagementPortusingCLI,connectaserialcabletotheFibreBridgeandenterthefollowingcommands.Useparametermp1toconfigureManagementPort1andmp2forManagementPort2:

The‘info’commandshowsiftheFibreBridgealreadyhasanIPaddress,subnetmaskandGatewayaddressfortheManagementPort.

Ifnot,usethevaluesobtainedfromyournetworkadministratorandenterthefollowingcommands:

setIPDHCPdisabledsetIPAddress[mp1|mp2]xxx.xxx.xxx.xxx

setIPSubnetMask[mp1|mp2]xxx.xxx.xxx.xxx

setIPGateway[mp1|mp2]xxx.xxx.xxx.xxx

SaveConfigurationRestart

Thenwait1minutewhiletheFibreBridgereboots,andverifyyourchangeswiththe'

info'

command.

4.2.4更新firmware

Updatethefirmwareoneachbridgetothelatestversion

TheEthernetmanagement1portenablesyoutoquicklydownloadthebridgefirmware（usingATTOExpressNAVorFTPmanagementinterfaces）andtoretrievecorefilesandextractlogs.

TheFibreBridgefirmwareisdistributedasan.imafileavailablefromyourStorageSolutionsprovider.Downloadthefileandnotethefilename.

Note

ThereisalwaysabackupimageintheFibreBridge,incasetheflashingprocessfails.Afterupdatingthefirmware,verifythecorrectprogramversionisexecutingbyviewingthestatuspageandcheckingthefirmwarerevisionnumber.

UsingExpressNAV

1IfyouarenotalreadyintheExpressNAVinterface,typetheIPaddressofyourFibreBridgeinastandardbrowser,clickEnterHere,typeinyourusernameandpassword,andclickOK.

2ClickontheFirmwareUpdatemenuitemontheleft-handsideofthepage.

3TheFirmwareUpdatepageappears.ClickBrowsetolocatethefirmwareyoudownloadedearlier.

4Highlightthefile.

5ClickUpload.

6Waituntilanewpageisdisplayedthatshowsthestatusofeachstepofthedownload.

7Result:

UponsuccessfulcompletionoftheFlashingFirmwareprocess,anoticewillappearatthebottomofthepagealongwit