Compaq DS-DWZZH-05 - Manual

Page 3 - Contents; About This Technical Update; Contents iii

Contents About This Technical Update 1 DS-DWZZH-05 UltraSCSI Hub 1.1 General Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 1.2 DS-DWZZH Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4 - Tables; iv Contents

2–4 TruCluster Configuration Using a KZPBA-CB UltraSCSIAdapter, a DS-DWZZH-05 UltraSCSI Hub, and an HSZ70RAID Array Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–11 Tables 2–1 DS-DWZZH UltraSCSI Hub Maximum Configurations . . . . . . . . 2–2...

Page 5 - Audience; About This Technical Update v

About This Technical Update This technical update provides important information about using theDS-DWZZH-05 UltraSCSI hub with the TruCluster TM software products. Audience If you plan to use a DS-DWZZH-05 UltraSCSI hub in a TruClusterhardware configuration, read this addendum to the TruCluster Soft...

Page 7 - Note

1 DS-DWZZH-05 UltraSCSI Hub This technical update to the TruCluster Software Products HardwareConfiguration manual provides important information about support forthe DS-DWZZH-05 UltraSCSI hub with the TruCluster Production ServerSoftware Version 1.4A and TruCluster Production Server Software Versio...

Page 8 - Improves the reliability of the detection of cable faults.

this technical update provides the DS-DWZZH-05 configuration informationthat would appear in Chapter 4 of the TruCluster Software ProductsHardware Configuration manual. 1.2 DS-DWZZH Overview The DS-DWZZH series UltraSCSI hubs are SCSI-2 and draft SCSI-3compliant SCSI 16-bit signal converters capable...

Page 9 - in a Cluster Configuration; Has five VHDCI differential SCSI bus connectors; Requires that termination power (; termpwr; Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2–1

2 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2.1 DS-DWZZH-05 UltraSCSI Hub Description The DS-DWZZH-05 UltraSCSI hub is supported on TruCluster AvailableServer Software Version 1.4A and TruCluster Available Server SoftwareVersion 1.5 and TruCluster Production Server Software Vers...

Page 10 - Disk Drives; –2 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

• A StorageWorks DS-BA356 shelf (which has the required 180-wattpower supply). • A wide BA356 which has been upgraded to the 180-watt power supplywith the DS-BA35X-HH option. _____________________ Note _____________________ Dual power supplies are recommended for any BA356 shelfcontaining a DS-DWZZH...

Page 11 - Installed; Fair; Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2–3

Table 2–1: DS-DWZZH UltraSCSI Hub Maximum Configurations (cont.) DS-DWZZH-03 DW-DWZZH-05 Disk Drives a PersonalityModule b c 1 1 2 Installed 0 1 3 Installed aDS-DWZZH UltraSCSI hubs and disk drives may coexist in a storage shelf. Installed disk drives are notassociated with the DS-DWZZH UltraSCSI hu...

Page 12 - –4 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

conventional manner; the highest SCSI ID asserted during the arbitrationcycle obtains use of the SCSI bus. _______________________ Note _______________________ Host port SCSI ID assignments are not linked to the physicalport when fair arbitration is disabled. The DS-DWZZH-05 retains SCSI ID 7 regard...

Page 14 - SCSI Bus Termination Power; –6 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

Figure 2–2: DS-DWZZH-05 Rear View W1 Z K - 1 4 4 8 U - A I 2.5 SCSI Bus Termination Power Each host adapter connected to a DS-DWZZH-05 UltraSCSI hub port mustsupply termination power ( termpwr ) to enable the termination resistors on each end of the SCSI bus segment. If the host adapter is disconnec...

Page 15 - Checking the Host Adapter and Cabling it to the Hub; Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2–7

To configure a TruCluster configuration using a DS-DWZZH-05 UltraSCSIhub, follow these steps: 1. Configure and install the DS-DWZZH-05 UltraSCSI hub (Section 2.7.1) 2. Verify that the host adapter termination is installed and cable the hostadapter to the DS-DWZZH-05 UltraSCSI hub (Section 2.7.2) 3. ...

Page 16 - Cabling the RAID array Storage Subsystem to the; –8 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

• Ensure that no member systems’ host adapter SCSI ID is set at 7(because the DS-DWZZH-05 uses SCSI ID 7). • Connect a BN38C cable between the host adapter and the appropriateDS-DWZZH-05 UltraSCSI hub port. Each connection forms a SCSI bussegment with the host adapter and the hub. The maximum length...

Page 17 - Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2–9

Figure 2–3 shows a sample configuration that uses KZPSA-BB SCSIadapters, a DS-DWZZH-05 UltraSCSI hub, and an HSZ50 RAID arraycontroller. Figure 2–3: TruCluster Configuration Using KZPSA SCSI Adapters, aDS-DWZZH-05 UltraSCSI Hub, and an HSZ50 RAID Array Controller T T T T T T HSZ50 HSZ50 T 1 D S - D ...

Page 18 - –10 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

Table 2–2: Hardware Components Used in the Configuration Shown inFigure 2–3 Callout Number Description 1 BN38C HD68 to VHDCI cable a b 2 H885-AA HD68 trilink connector 3 H879-AA HD68 terminator 4 BN21K or BN21L HD68 cable b aThe maximum length of the SCSI bus segment, including BN38C cable and inter...

Page 19 - Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2–11

Figure 2–4: TruCluster Configuration Using a KZPBA-CB UltraSCSIAdapter, a DS-DWZZH-05 UltraSCSI Hub, and an HSZ70 RAID ArrayController T T T T T T HSZ70 HSZ70 T 1 D S - D W Z Z H - 0 5 KZPBA-CB KZPBA-CB 1 1 1 AlphaServer Member System 2 T KZPBA-CB AlphaServer Member System 1 AlphaServer Member Syste...

Page 20 - H8861-AA VHDCI trilink connector; –12 Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration

Table 2–3: Hardware Components Used in the Configuration Shown inFigure 2–4 Callout Number Description 1 BN38C HD68 to VHDCI cable a 2 H8861-AA VHDCI trilink connector 3 H8863-AA VHDCI terminator 4 BN37A VHDCI cable b aThe maximum length of the SCSI bus segment, including BN38C cable and internal de...

Compaq DS-DWZZH-05 - Manual

Table of Contents:

Summary

Other Compaq Models