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Updated: 11 December 1998

OpenVMS System Manager's Manual


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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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