Lenovo ThinkServer Storage SA120 Uživatelský manuál stáhnout pdf (Strana 32)

Figure14.Connectingastoragearraytoaserver

Connectingtwotoeightstoragearraystoaserver

Youcanconnecttwotoeightstoragearraystoaserverthroughcascadingmode.Theprocedurefor

connectingmorethanonestoragearraystoaservercanbedividedintotwoparts:

1.Connectastoragearraytoaserver.

2.Connectthestoragearraystoeachother.

Note:Eachmini-SASconnectorontheRAIDcardorontheHostBusAdapterinstalledinthetargetserver

cansupportuptofourstoragearrays.

Toconnecttwotoeightstoragearraystoaserver,dothefollowing:

1.Connectastoragearraytoaserver.See“Connectingastoragearraytoaserver”onpage19.

2.Dothefollowingtoconnectonestoragearraytoanother:

a.Connectoneendofamini-SASsignalcabletotheSAS-outconnectoronarearI/Omodule(for

example,rearI/Omodule1)ofastoragearray.

b.Connecttheotherendofthemini-SASsignalcabletotheSAS-inconnectoronthecorresponding

rearI/Omodule(forexample,rearI/Omodule1)ofanotherstoragearray.

c.ForstoragearrayswithtworearI/Omodules,youcanrepeatstepaandstepbtoconnecta

mini-SASsignalcabletothesecondaryrearI/Omodules(forexample,rearI/Omodule2).

Note:ConnectingthestoragearraystoeachotherthroughtworearI/Omodulesprovides

redundancy,whichhelpsavoidsigniﬁcantinterruptiontotheconnectionofthestoragearrayswhen

arearI/Omodulefails.

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Lenovo ThinkServer Storage SA120 Uživatelský manuál Strana 32