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KZPSA PCI-to-SCSI Storage Adapter
B–6 EK–KZPSA–UG. B01
B.4 DECsafe Available Server Environment (ASE) Configuration
A DECsafe Available Server Environment provides multi-host access to SCSI
devices and a generic failover mechanism for network-based applications and
system services using a shared SCSI bus. Figure B–3 shows two KZPSA adapters
configured in a DECsafe Available Server environment to communicate with six
single-ended 8-bit SCSI devices.
The DECsafe software monitors the network and the status of the systems and
devices in the DECsafe environment and includes an infrastructure that auto-
matically moves applications from one system to another if a hardware or soft-
ware failure occurs. For more detailed information about ASE, consult your
DECsafe Available Server documentation.
As shown in Figure B–3, a KZPSA adapter is installed in a PCI Bus slot in each
host system. "Y" cables are connected to the KZPSA adapter in both systems.
One end of both "Y" cables is terminated to terminate the bus. A standard SCSI
cable is connected to the unterminated end of both "Y" cables.
The DWZZA (SCSI bus converter) is installed in the first slot of the BA350-SA
storage shelf. The KZPSA adapters directly interconnect, by way of the standard
SCSI cables, to the bus converter through a tri-link connector block.
NOTE
For this configuration, the internal termination must
be removed from the KZPSA adapters and the
DWZZA-VA bus converter in the BA350-SA stor-
age shelf. Refer to your StorageWorks enclosure
documents for specific information on how to con-
figure a Digital BA350-SA storage shelf and the in-
stallation and replacement of its components.
B.4.1 Single-Ended SCSI Bus Configuration
The BA350-SA storage shelf contains two single-ended SCSI buses which are
internally configured as a single bus. Six 3½-inch half-height 8-bit SCSI devices
are attached to the bus.
- KZPSA PCI-to-SCSI 1
- Storage Adapter 1
- Contents 3
- EK–KZPSA–UG. B01 v 5
- Revision Record 6
- About This Guide 7
- Associated Documents 9
- Conventions 9
- Product Description 10
- 1–2 EK–KZPSA–UG. B01 11
- EK–KZPSA–UG. B01 1–3 12
- 1.2 Standards 13
- 1.3 Specifications 13
- Configuration Guidelines 14
- 2.3 SCSI Bus Configuration 15
- 2.2 PCI Bus Configuration 15
- 2.4 SCSI Bus Termination 16
- 2–4 EK–KZPSA–UG. B01 17
- 2.11 Device Disconnects 18
- Installing the KZPSA Adapter 19
- 3–2 EK–KZPSA–UG. B01 20
- EK–KZPSA–UG. B01 3–3 21
- 3–4 EK–KZPSA–UG. B01 22
- EK–KZPSA–UG. B01 3–5 23
- OpenVMS AXP and OSF/1 Systems 24
- 4–2 EK–KZPSA–UG. B01 25
- 4.4 KZPSA SCSI ID 26
- 4.5 SCSI Termination Power 26
- 4.6 SCSI Fast Data Transfer 26
- 4.7 KZPSA Device Booting 27
- Windows NT AXP Systems 28
- 5–2 EK–KZPSA–UG. B01 29
- EK–KZPSA–UG. B01 5–3 30
- 5–4 EK–KZPSA–UG. B01 31
- KZPSA Adapter Utilities 32
- 6–2 EK–KZPSA–UG. B01 33
- Table 6–1 Keyboard Functions 33
- Key Function 33
- EK–KZPSA–UG. B01 6–3 34
- 6–4 EK–KZPSA–UG. B01 35
- Figure 6–1 Initial Screen 35
- EK–KZPSA–UG. B01 6–5 36
- Figure 6–2 Options 36
- 6–6 EK–KZPSA–UG. B01 37
- Figure 6–3 SCSI Options 37
- EK–KZPSA–UG. B01 6–7 38
- 6–8 EK–KZPSA–UG. B01 39
- Figure 6–5 Diagnostics 39
- EK–KZPSA–UG. B01 6–9 40
- Figure 6–6 Error Log Example 40
- 6.3 Firmware Update Utility 41
- EK–KZPSA–UG. B01 6–11 42
- Troubleshooting 43
- 7.2 System Power-on Problems 44
- 7.3 SCSI Device Problems 45
- 7–4 EK–KZPSA–UG. B01 46
- Continued) 46
- 7.4 Boot Sequence Problems 47
- Release Notes 48
- Verified Device Listing 49
- Mandatory Console Code Update 50
- Restrictions 51
- Additional Information 52
- B.1 Configuration Summary 53
- B.2.2 SCSI ID Selection 54
- B.2.3 SCSI Bus Termination 54
- EK–KZPSA–UG. B01 B–3 55
- B.3.2 SCSI ID Selection 56
- B.3.3 SCSI Bus Termination 56
- EK–KZPSA–UG. B01 B–5 57
- B–6 EK–KZPSA–UG. B01 58
- EK–KZPSA–UG. B01 B–7 59
- B.4.2 SCSI ID Selection 60
- B.4.3 SCSI Bus Termination 60
- Glossary 61
- G–2 EK–KZPSA–UG. B01 62
- EK–KZPSA–UG. B01 G–3 63
- G–4 EK–KZPSA–UG. B01 64
- EK–KZPSA–UG. B01 G–5 65
- Reader’s Comments 66
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