Compaq RAID Array 3000 Controller Shelf Uživatelská příručka stáhnout pdf (Strana 34)

Figure 2–6: TruCluster Conﬁguration with an RA3000 Pedestal with

Active/Passive Failover and a DWZZH-03 UltraSCSI Hub

DS-DWZZH-03

KZPBA-CB

AlphaServer

Member

AlphaServer

Member

System 1

System 2

RAID Array

3000 Pedestal

Host

ZK-1485U-AI

Table 2–4 shows the components used to create the clusters shown in

Figure 2–4, Figure 2–5, and Figure 2–6.

Table 2–4: Hardware Components Used in the Conﬁgurations Shown in

Figure 2–4, Figure 2–5, and Figure 2–6

Callout Number Description

1 BN38C HD68 to VHDCI cable

2 BN37A VHDCI cable

The maximum length of the SCSI bus segment, including the combined length of BN38C cables and

internal device length, must not exceed 25 meters.

The maximum length of the SCSI bus segment, including the BN37A cables and internal device length,

must not exceed 25 meters.

Figure 2–7 shows a four-member TruCluster conﬁguration and an RA3000

controller shelf with active/active or active/passive failover radially

connected to a DS-DWZZH-05 UltraSCSI hub.

2–22 Using the StorageWorks RAID Array 3000 in a TruCluster Conﬁguration

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 ... 44 45

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Compaq RAID Array 3000 Controller Shelf Uživatelská příručka Strana 34