Updated: 11 December 1998

OpenVMS System Manager's Manual

Chapter 24
24	Managing the LAT Software
24.1	Understanding the LAT Protocol
24.1.1	How the LAT Protocol Works
24.1.2	Advantages of the LAT Protocol
24.2	Understanding the LAT Network
24.2.1	Service Nodes
24.2.1.1	Types of Services
24.2.1.2	Service Announcements
24.2.1.3	Print Requests
24.2.2	Terminal Server Nodes
24.2.2.1	Locating Service Nodes
24.2.2.2	Setting Up Connections
24.2.2.3	Servicing Nodes
24.2.3	Nodes Allowing Outgoing Connections
24.2.4	Components of a LAT Network
24.3	Understanding LAT Configurations
24.3.1	LAT Relationship to OpenVMS Clusters and DECnet
24.3.1.1	LAT and DECnet Running on the Same Controller
24.3.1.2	LAT and DECnet Running on Different Controllers
24.3.2	Using Multiple LAN Adapters
24.3.2.1	Supported Configurations
24.3.2.2	Unsupported Configuration
24.3.2.3	Creating Logical LAT Links
24.3.2.4	Path Discovery
24.3.2.5	Modifying LAT Parameters
24.3.3	Large Buffers in Ethernet/FDDI Configurations
24.4	Understanding the LATCP Utility
24.4.1	Invoking and Exiting LATCP
24.4.2	LATCP Commands
24.5	Starting Up the LAT Protocol
24.6	Customizing LAT Characteristics
24.6.1	Creating Additional Services
24.6.2	Setting Up Ports
24.6.2.1	Setting Up Printers
24.6.2.2	Setting Up Special Application Services
24.6.2.3	Setting Up Limited Services
24.6.3	Queuing Incoming Requests
24.6.4	Enabling Outgoing LAT Connections
24.6.5	Sample Edited LAT$SYSTARTUP.COM Procedure
24.7	Managing the LATACP Database Size
Chapter 25
25	Managing DECdtm Services
25.1	Understanding Transaction Logs
25.2	Planning Transaction Logs
25.2.1	Deciding the Size of a Transaction Log
25.2.2	Deciding the Location of a Transaction Log
25.3	Planning for a DECnet-Plus Network
25.3.1	Planning Your DECnet-Plus Namespace
25.3.2	Planning SCSNODE Names in Your DECnet-Plus Network
25.3.2.1	Rules for SCSNODE Names
25.3.2.2	Understanding Transaction Groups
25.4	Creating Transaction Logs
25.5	Monitoring Transaction Performance
25.6	Checking Whether a Transaction Log Is Too Small
25.7	Changing the Size of a Transaction Log
25.8	Moving a Transaction Log
25.9	Dismounting a Disk
25.10	Adding a Node
25.11	Removing a Node
25.12	Disabling DECdtm Services
25.13	Enabling DECdtm Services
Chapter 26
26	Managing Special Processing Environments
26.1	Understanding Multiprocessing
26.1.1	Primary and Secondary Processors
26.1.2	Available and Active Sets
26.1.3	Processor Capabilities
26.2	Managing SMP Environments
26.2.1	Creating a Multiprocessing Environment
26.2.2	Monitoring a Multiprocessing Environment
26.3	Understanding Vector Processing
26.3.1	VAX Support for Vector Processing (VAX Only)
26.3.2	VAX Vector Instruction Emulation Facility (VAX Only)
26.4	Managing the Vector Processing Environment (VAX Only)
26.4.1	Loading the Vector Processing Support Code (VAX Only)
26.4.2	Configuring a Vector Processing System (VAX Only)
26.4.3	Managing Vector Processes (VAX Only)
26.4.3.1	Adjusting System Resources and Process Quotas (VAX Only)
26.4.3.2	Distributing Scalar and Vector Resources Among Processes (VAX Only)
26.4.4	Restricting Access to the Vector Processor by Using ACLs (VAX Only)
26.4.5	Obtaining Information About a Vector Processing System (VAX Only)
26.4.5.1	DCL Lexical Functions F$GETJPI and F$GETSYI (VAX Only)
26.4.5.2	SHOW CPU/FULL Command (VAX Only)
26.4.5.3	SHOW PROCESS and LOGOUT/FULL Commands (VAX Only)
26.4.6	Loading the VAX Vector Instruction Emulation Facility (VVIEF) (VAX Only)
Appendix A
Appendix A	Files--11 Disk Structure
A.1	Disk Concepts
A.1.1	Logical Organization of a Disk
A.1.2	Physical Organization of a Disk
A.2	Files--11 Structure
A.2.1	File Identification (FID)
A.2.2	ODS Directory Hierarchies
A.3	Reserved Files
A.3.1	Index File, INDEXF.SYS
A.3.1.1	Boot Block
A.3.1.2	Home Block
A.3.1.3	File Headers
A.3.2	Storage Bitmap File, BITMAP.SYS
A.3.3	Bad Block File, BADBLK.SYS
A.3.4	Master File Directory
A.3.5	Core Image File, CORIMG.SYS
A.3.6	Volume Set List File, VOLSET.SYS
A.3.7	Continuation File, CONTIN.SYS
A.3.8	Backup Log File, BACKUP.SYS
A.3.9	Pending Bad Block Log File, BADLOG.SYS
A.3.10	Quota File, QUOTA.SYS
A.3.11	Volume Security Profile, SECURITY.SYS
A.4	Files--11 ODS Level 1 (VAX Only) Versus Levels 2 and 5

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