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Compaq DS-DWZZH-05 - page 1
T ruCluster Software Products Hardware Configur ation T echnical Update f or DS-D WZZH-05 UltraSCSI Hub December 1998 Product V er sion: T ruCluster Production Server Software Software V ersion 1.4A and T ruCluster Production Server Software V ersion 1.5 and T ruCluster A vailable Server Software 1.4A and T ruCluster A vailable Server Software V e ...
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Compaq DS-DWZZH-05 - page 2
© Compaq Computer Corporation 1998 All rights reserved. The following are trademarks of Compaq Computer Corporation: ALL–IN–1, Alpha AXP , AlphaGeneration, AlphaServer , AltaV ista, A TMworks, AXP , Bookreader , CDA, DDIS, DEC, DEC Ada, DEC Fortran, DEC FUSE, DECnet, DECstation, DECsystem, DECterm, DECUS, DECwindows, DTIF , Massbus, MicroV AX, ...
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Compaq DS-DWZZH-05 - page 3
Contents About This T echnical Update 1 DS-D WZZH-05 UltraSCSI Hub 1.1 General Overview . . . . . . . . . .......... ...... ....... ...... ....... ...... .. 1–1 1.2 DS-DWZZH Overview . . . . ....... ......... ....... ...... ....... ...... .. 1–2 2 Using the DS-D WZZH-05 UltraSCSI Hub in a Cluster Configuration 2.1 DS-DWZZH-05 UltraSCSI Hub Des ...
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Compaq DS-DWZZH-05 - page 4
2–4 T ruCluster Configuration Using a KZPBA-CB UltraSCSI Adapter , a DS-DWZZH-05 UltraSCSI Hub, and an HSZ70 RAID Array Controller . . .... ...... ...... .......... ....... ...... ..... 2–11 T ables 2–1 DS-DWZZH UltraSCSI Hub Maximum Configurations . . . . . . . . 2–2 2–2 Hardware Components Used in the Configuration Shown in Figure 2? ...
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Compaq DS-DWZZH-05 - page 5
About This T echnical Update This technical update provides important information about using the DS-DWZZH-05 UltraSCSI hub with the T ruCluster TM software products. A udience If you plan to use a DS-DWZZH-05 UltraSCSI hub in a T ruCluster hardware configuration, read this addendum to the T ruCluster Software Products Hardware Configuration manu ...
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Compaq DS-DWZZH-05 - page 6
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Compaq DS-DWZZH-05 - page 7
1 DS-D WZZH-05 UltraSCSI Hub This technical update to the T ruCluster Software Products Hardware Configuration manual provides important information about support for the DS-DWZZH-05 UltraSCSI hub with the T ruCluster Production Server Software V ersion 1.4A and T ruCluster Production Server Software V ersion 1.5 and T ruCluster A vailable Server ...
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Compaq DS-DWZZH-05 - page 8
this technical update provides the DS-DWZZH-05 configuration information that would appear in Chapter 4 of the T ruCluster Software Products Hardware Configuration manual. 1.2 DS-D WZZH Over vie w The DS-DWZZH series UltraSCSI hubs are SCSI-2 and draft SCSI-3 compliant SCSI 16-bit signal converters capable of data transfer rates of up to 40 MB pe ...
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Compaq DS-DWZZH-05 - page 9
2 Using the DS-D WZZH-05 UltraSCSI Hub in a Cluster Configuration 2.1 DS-D WZZH-05 UltraSCSI Hub Description The DS-DWZZH-05 UltraSCSI hub is supported on T ruCluster A vailable Server Software V ersion 1.4A and T ruCluster A vailable Server Software V ersion 1.5 and T ruCluster Production Server Software V ersion 1.4A and T ruCluster Production S ...
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Compaq DS-DWZZH-05 - page 10
• A StorageW orks DS-BA356 shelf (which has the required 180-watt power supply). • A wide BA356 which has been upgraded to the 180-watt power supply with the DS-BA35X-HH option. _____________________ Note _____________________ Dual power supplies are recommended for any BA356 shelf containing a DS-DWZZH-05 UltraSCSI hub in order to provide a hi ...
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Compaq DS-DWZZH-05 - page 11
T able 2–1: DS-D WZZH UltraSCSI Hub Maximum Configurations (cont.) DS-DWZZH-03 DW-D WZZH-05 Disk Drives a P ersonality Module bc 1 1 2 Installed 0 1 3 Installed a DS-DWZZH UltraSCSI hubs and disk drives may coexist in a storage shelf. Installed disk drives are not associated with the DS-DWZZH UltraSCSI hub SCSI bus segments; they are on the SCSI ...
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Compaq DS-DWZZH-05 - page 12
conventional manner; the highest SCSI ID asserted during the arbitration cycle obtains use of the SCSI bus. _______________________ Note _______________________ Host port SCSI ID assignments are not linked to the physical port when fair arbitration is disabled. The DS-DWZZH-05 retains SCSI ID 7 regardless of whether fair aarbitrarion is enabled or ...
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Compaq DS-DWZZH-05 - page 13
Figure 2–1: DS-D WZZH-05 Front View Fair Disable Host Port SCSI ID 1 (13) Host Port SCSI ID 3 (15) Controller Port SCSI ID 6 - 4 (6 - 0) Busy 0 2 ZK-1447U-AI Host Port Host Port SCSI ID SCSI ID (14) Power (12) Using the DS-DWZZH-05 UltraSCSI Hub in a Cluster Configuration 2–5 ...
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Compaq DS-DWZZH-05 - page 14
Figure 2–2: DS-D WZZH-05 Rear View W1 ZK-1448U-AI 2.5 SCSI Bus T ermination Po wer Each host adapter connected to a DS-DWZZH-05 UltraSCSI hub port must supply termination power ( termpwr ) to enable the termination resistors on each end of the SCSI bus segment. If the host adapter is disconnected from the hub, the port is disabled. Only the Ultra ...
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Compaq DS-DWZZH-05 - page 15
T o configure a T ruCluster configuration using a DS-DWZZH-05 UltraSCSI hub, follow these steps: 1. Configure and install the DS-DWZZH-05 UltraSCSI hub (Section 2.7.1) 2. V erify that the host adapter termination is installed and cable the host adapter to the DS-DWZZH-05 UltraSCSI hub (Section 2.7.2) 3. Cable the RAID array controller to the hub ...
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Compaq DS-DWZZH-05 - page 16
• 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 appropriate DS-DWZZH-05 UltraSCSI hub port. Each connection forms a SCSI bus segment with the host adapter and the hub. The maximum length of a SCSI bus segment, including cable a ...
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Compaq DS-DWZZH-05 - page 17
Figure 2–3 shows a sample configuration that uses KZPSA-BB SCSI adapters, a DS-DWZZH-05 UltraSCSI hub, and an HSZ50 RAID array controller . Figure 2–3: T ruCluster Configuration Using KZPSA SCSI Adapters, a DS-D WZZH-05 UltraSCSI Hub, and an HSZ50 RAID Array Contr oller T T T T T T HSZ50 HSZ50 T 1 DS-DWZZH-05 KZPSA-BB KZPSA-BB 1 1 1 AlphaServ ...
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Compaq DS-DWZZH-05 - page 18
T able 2–2: Hard ware Components Used in the Configuration Shown in Figure 2–3 Callout Number Description 1 BN38C HD68 to VHDCI cable ab 2 H885-AA HD68 trilink connector 3 H879-AA HD68 terminator 4 BN21K or BN21L HD68 cable b a The maximum length of the SCSI bus segment, including BN38C cable and internal device length, must not exceed 25 mete ...
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Compaq DS-DWZZH-05 - page 19
Figure 2–4: T ruCluster Configuration Using a KZPBA-CB UltraSCSI Adapter , a DS-D WZZH-05 UltraSCSI Hub, and an HSZ70 RAID Array Controller T T T T T T HSZ70 HSZ70 T 1 DS-DWZZH-05 KZPBA-CB KZPBA-CB 1 1 1 AlphaServer Member System 2 T KZPBA-CB AlphaServer Member System 1 AlphaServer Member System 3 T KZPBA-CB AlphaServer Member System 4 T 2 4 4 3 ...
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Compaq DS-DWZZH-05 - page 20
T able 2–3: Hard ware Components Used in the Configuration Shown in Figure 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 a The maximum length of the SCSI bus segment, including BN38C cable and internal device length, must not exceed 25 meters. b ...
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