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Introduction to the Compaq FTAM Responder
OSI/FTAM Responder Manual—425199-001
1-4
Management Interfaces
Management Interfaces
For those people with access to the Compaq system who are responsible for configuring
and managing FTAM responder processes and for solving FTAM problems, Compaq
FTAM supports the Distributed Systems Management (DSM) management interfaces,
which include the following:
•
Subsystem Control Facility (SCF)
•
PTrace utility
•
Operator message facility of the Event Management Service (EMS)
The use of these management utilities with Compaq FTAM is described in the
OSI/FTAM Configuration and Management Manual.
In addition, system managers and problem solvers on the Compaq system use the File
Utility Program (FUP) to perform many functions on Compaq disk files, including
copying and resecuring files. This utility is described in the File Utility Program (FUP)
Reference Manual.
Architectural Overview
FTAM services facilitate communication between different computer systems in an OSI
network. The communication link (at the FTAM level) created between two systems is
called an association. Each system is further defined in terms of its function in the
association. The system that creates and controls the association is called the initiating
system. The system that responds to the initiating system is called the responding
system. In Compaq FTAM, the initiating and responding functions are performed by
separate processes.
The Compaq FTAM responder process services FTAM requests initiated from remote
systems on the network, such as a request to read a file. The responder acts as an FTAM
file server, mapping FTAM requests into file operations and providing a translation
between Guardian file structures and FTAM file structures.
The Responder and Underlying Subsystems
To communicate over OSI networks, Compaq FTAM uses the services of the Compaq
OSI/AS and OSI/TS subsystems, and either the Compaq LAN access method (TLAM)
(or PAM for G06 and above releases), or the X.25 access method (X25AM), or TCP/IP.
In turn, X25AM and TLAM depend on hardware controllers to provide the 802.3
communications protocol (for TLAM) and the X.25 communications protocol (for
X25AM).
Figure 1-2 provides an overview of the Compaq FTAM responder and these underlying
Compaq products. The figure illustrates how the Compaq FTAM responder and the
underlying Compaq OSI subsystems support the layers of the OSI Reference Model
for both LANs and WANs:
•
The Compaq FTAM responder provides FTAM responder functions at the
Application Layer.
- OSI/FTAM Responder 1
- Document History 2
- OSI/FTAM Responder Manual 3
- Contents 4
- 6. Responder Manager 5
- Tables (continued) 6
- What’s New in This Manual 7
- New and Changed Information 8
- Supported Standards 10
- Related Manuals 11
- Your Comments Invited 12
- Notation Conventions 13
- About This Manual 14
- General Syntax Notation 14
- Notation for Messages 15
- Responder 17
- Compaq FTAM Services 18
- FTAM Applications 18
- Architectural Overview 20
- 204CDT .CDD 22
- Conformance 25
- Interoperability 25
- Attributes 27
- FTAM Parameters 27
- Data-Transfer Considerations 28
- Handling of Escape Sequences 29
- Use of Format Effectors 29
- Character Sets 29
- Writing of FTAM-2 Files 30
- Responder Structure 33
- Responder Data Flow 34
- ISO FTAM Functions 37
- Functional Units 38
- Attribute Groups 38
- Attribute Support 38
- Document Types 40
- Compaq File Structures 41
- Create Mappings 42
- Select-Open Mappings 43
- Type (continued) 45
- Write Operations 46
- Read Operations 46
- File-Attribute Mappings 47
- Filename Attribute 48
- Permitted-Actions Attribute 48
- Contents-Type Attribute 48
- NBS-9 Documents 49
- Kernel Group File Attributes 50
- Storage Group File Attributes 51
- Access-Control Attribute 53
- Private Group File Attributes 57
- Applications 61
- Troubleshooting 62
- Responder Manager 65
- Fault Tolerance 66
- Event Messages 67
- Messages 69
- Unspecific initiator error 71
- Subsequent error 71
- Unsupported service class 76
- Unsupported functional unit 76
- Invalid filestore password 77
- Incompatible service classes 78
- File name not found 79
- Non-existent file 80
- File already exists 80
- File cannot be created 80
- File cannot be deleted 81
- File busy 81
- File not available 81
- Access control inconsistent 81
- Initial attributes altered 82
- Bad attribute value 83
- File created but not selected 83
- Attribute cannot be changed 84
- Attribute cannot be read 84
- Attribute partially supported 85
- Bad FADU (unspecific) 86
- Bad FADU - size error 87
- Bad FADU - poorly specified 87
- Bad FADU - bad location 87
- FADU does not exist 88
- FADU cannot be inserted 88
- FADU cannot be replaced 88
- Operation not available 89
- Processing mode unsupported 89
- Processing mode inconsistent 89
- Access context not available 89
- Bad write (unspecific) 90
- Bad read (unspecific) 90
- Local failure (unspecific) 91
- Future filesize exceeded 91
- Contents type inconsistent 92
- Recovery mode not available 93
- Glossary-2 96
- Glossary-3 97
- Glossary-4 98
- Glossary-5 99
- Glossary 100
- Glossary-6 100
- Glossary-7 101
- Glossary-8 102
- Glossary-9 103
- Glossary-10 104
- Glossary-11 105
- Glossary-12 106
- Glossary-13 107
- Glossary-14 108
- Glossary-15 109
- Glossary-16 110
- Glossary-17 111
- Glossary-18 112
- Glossary-19 113
- Glossary-20 114
- Glossary-21 115
- Glossary-22 116
- Glossary-23 117
- Glossary-24 118
- Glossary-25 119
- Glossary-26 120
- Glossary-27 121
- Glossary-28 122
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