Document revision date: 30 March 2001

Chapter 26
26	Managing the LAT Software
26.1	Understanding the LAT Protocol
26.1.1	How the LAT Protocol Works
26.1.2	Advantages of the LAT Protocol
26.2	Understanding the LAT Network
26.2.1	Service Nodes
26.2.1.1	Types of Services
26.2.1.2	Service Announcements
26.2.1.3	Print Requests
26.2.2	Terminal Server Nodes
26.2.2.1	Locating Service Nodes
26.2.2.2	Setting Up Connections
26.2.2.3	Servicing Nodes
26.2.3	Nodes Allowing Outgoing Connections
26.2.4	Components of a LAT Network
26.3	Understanding LAT Configurations
26.3.1	LAT Relationship to OpenVMS Clusters and DECnet
26.3.1.1	LAT and DECnet Running on the Same Controller
26.3.1.2	LAT and DECnet Running on Different Controllers
26.3.2	Using Multiple LAN Adapters
26.3.2.1	Supported Configurations
26.3.2.2	Unsupported Configuration
26.3.2.3	Creating Logical LAT Links
26.3.2.4	Path Discovery
26.3.2.5	Modifying LAT Parameters
26.3.3	Large Buffers in Ethernet/FDDI Configurations
26.4	Understanding the LATCP Utility
26.4.1	Invoking and Exiting LATCP
26.4.2	LATCP Commands
26.5	Starting Up the LAT Protocol
26.6	Customizing LAT Characteristics
26.6.1	Creating Additional Services
26.6.2	Setting Up Ports
26.6.2.1	Setting Up Printers
26.6.2.2	Setting Up Special Application Services
26.6.2.3	Setting Up Limited Services
26.6.3	Queuing Incoming Requests
26.6.4	Enabling Outgoing LAT Connections
26.6.5	Sample Edited LAT$SYSTARTUP.COM Procedure
26.7	Managing the LATACP Database Size
Chapter 27
27	Managing DECdtm Services
27.1	Understanding Transaction Logs
27.2	Planning Transaction Logs
27.2.1	Deciding the Size of a Transaction Log
27.2.2	Deciding the Location of a Transaction Log
27.3	Planning for a DECnet-Plus Network
27.3.1	Planning Your DECnet-Plus Namespace
27.3.2	Planning SCSNODE Names in Your DECnet-Plus Network
27.3.2.1	Rules for SCSNODE Names
27.3.2.2	Understanding Transaction Groups
27.4	Creating Transaction Logs
27.5	Monitoring Transaction Performance
27.6	Checking Whether a Transaction Log Is Too Small
27.7	Changing the Size of a Transaction Log
27.8	Moving a Transaction Log
27.9	Dismounting a Disk
27.10	Adding a Node
27.11	Removing a Node
27.12	Disabling DECdtm Services
27.13	Enabling DECdtm Services
Chapter 28
28	Managing Special Processing Environments
28.1	Understanding Multiprocessing
28.1.1	Primary and Secondary Processors
28.1.2	Available and Active Sets
28.1.3	Processor Capabilities
28.2	Managing SMP Environments
28.2.1	Creating a Multiprocessing Environment
28.2.2	Monitoring a Multiprocessing Environment
28.3	Understanding Vector Processing
28.3.1	VAX Support for Vector Processing (VAX Only)
28.3.2	VAX Vector Instruction Emulation Facility (VAX Only)
28.4	Managing the Vector Processing Environment (VAX Only)
28.4.1	Loading the Vector Processing Support Code (VAX Only)
28.4.2	Configuring a Vector Processing System (VAX Only)
28.4.3	Managing Vector Processes (VAX Only)
28.4.3.1	Adjusting System Resources and Process Quotas (VAX Only)
28.4.3.2	Distributing Scalar and Vector Resources Among Processes (VAX Only)
28.4.4	Restricting Access to the Vector Processor by Using ACLs (VAX Only)
28.4.5	Obtaining Information About a Vector Processing System (VAX Only)
28.4.5.1	DCL Lexical Functions F$GETJPI and F$GETSYI (VAX Only)
28.4.5.2	SHOW CPU/FULL Command (VAX Only)
28.4.5.3	SHOW PROCESS and LOGOUT/FULL Commands (VAX Only)
28.4.6	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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