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IBM® Domino 10.0.1 Documentation
Welcome to the IBM® Domino 10.0.1 Administrator Help.
Administering
This documentation provides information about the administration tools for managing and monitoring IBM Domino® servers and databases.
Monitoring
This section describes how to use the tools and features that help you monitor a Domino® system.
Monitoring databases
You can monitor database activity, replication, and document deletions.
Monitoring replication of a database
If there are replicas of a database, you can use any of these methods to monitor replication daily.

IBM® Domino 10.0.1 Documentation
Welcome to the IBM® Domino 10.0.1 Administrator Help.
- What's new in IBM® Domino® 10?
  Learn about all of the new features for administrators in IBM® Domino® 10.
- Overview
  Welcome to IBM® Domino® Administrator Help.
- Installing
  Use this documentation to install the IBM® Domino® server and subsequently deploy the IBM Notes® client.
- Planning
  Use this topic as an overview of planning task.
- Configuring
  Use this information to configure an IBM® Domino® network, users, servers (including Web servers), directory services, security, messaging, widgets and live text, and server clusters. Also use this information to set up IBM iNotes® on a server using Domino Off-Line Services (DOLS).
- Securing
  This section describes IBM® Domino® security features, including execution control lists, IDs, and SSL.
- Administering
  This documentation provides information about the administration tools for managing and monitoring IBM Domino® servers and databases.
  - Administration tools
    Topics in this section describe the tools you can use to administer a Domino® server.
  - Monitoring
    This section describes how to use the tools and features that help you monitor a Domino® system.
    - Monitoring the Domino® system
      You can monitor system activity and platform use using one of three tools -- the Domino® Administrator, the Web Administrator, or the server console.
    - Server Health Monitor
      You can monitor and troubleshoot performance issues using a number of different tools.
    - Domino® domain monitoring (DDM)
      Domino® domain monitoring (DDM) provides one location in the Domino Administrator client that you can use to view the overall status of multiple servers across one or more domains, and then use the information provided by DDM to quickly resolve problems.
    - The Domino® SNMP Agent
      The Domino® SNMP Agent enhances the monitoring and control features of Domino by enabling third-party management stations, which use industry standard SNMP, to manage aspects of the Domino server.
    - Overview of server maintenance
      As a Domino® administrator, a major part of your job is maintaining each server that you administer.
    - Tools for mail monitoring
      Domino® provides three tools that you can use to monitor mail. Message tracking allows you to track specific mail messages to determine if the intended recipients received them. Mail usage reports provide the information you need to resolve mail problems and improve the efficiency of your mail network. Mail probes test and gather statistics on mail routes.
    - Monitoring directory assistance
      You can monitor directory assistance by using Show Xdir command to display information about all the directories a server uses for directory services. You can also view directory assistance statistics.
    - Monitoring databases
      You can monitor database activity, replication, and document deletions.
      - Monitoring database activity using Statlog
        Monitor database activity regularly. If database activity is high and users report performance problems, you can take a number of steps to improve performance.
      - Monitoring replication of a database
        If there are replicas of a database, you can use any of these methods to monitor replication daily.
        The database replication history
        In the Basics tab of the Database Properties box, there is a Replication History button that opens the window of the same name. The first time one server replica successfully replicates with a replica on another server, Domino® creates an entry in the replication history. The entry contains the name of the other server, as well as the date and time of the replication.
        Displaying and clearing the replication history
        You can view the replication history. When the replication history displays, if the Action column contains an asterisk (*) next to the action, such as Send* or Receive*, the replication is complete. The presence of the asterisk (*) indicates that replication is complete.
        Forcing a full database replication
        You can use the Replicate command with the -F option to force a full database replication when replicas of a database get out of sync. The replication occurs on the side and allows users to continue to see replication updates during the full replication.
        Viewing replication events in the log file
        The Replication Log entries in the Replication Events view of the log file (LOG.NSF) display detailed information about the replication of specific databases.
        Replication or save conflicts
        Multiple users can simultaneously edit the same document in one copy of a database or edit the same document in different replicas between replication sessions. When these conditions occur, Domino® stores the results of one editing session in a main document and stores the results of additional editing sessions as response documents. These response documents have the title Replication or Save Conflict.
      - Monitoring deleted documents
        Run the Compact task with the -dl argument to enable logging of data about deleted documents in databases that you specify. The data is logged to entries in deletion log files that are added to the IBM_TECHNICAL_SUPPORT directory on a server. For example, you can log when documents are deleted from mail files to help troubleshoot if users report missing documents.
    - Monitoring a cluster
      Domino® provides several ways to find out what is happening in a cluster and make adjustments to keep the cluster running smoothly and efficiently, so that no server is overloaded. You can monitor failover, workload balancing, and cluster replication to see how efficiently the cluster is running.
    - Monitoring slow or unresponsive servers with the Domino® Diagnostic Probe
      Use the Domino® Diagnostic Probe (DDP), a Java™ utility provided by IBM® Support, to monitor Domino 8.x and later servers that have been intermittently slow or unresponsive. The probe is a Java process (dbopen.jar) that runs in the background. The utility probes a specific Domino server over time by invoking database open transactions. If the probe detects a slow response, it will invoke Notes® System Diagnostic (NSD) to gather diagnostic data. This data is used by IBM Support to troubleshoot and determine the cause or causes of the performance degradation.
    - Monitoring quality of service
      Quality of Service, or QoS, is designed to react to the general operation of a Domino® server in order to keep that server functioning reliably and always available. If QoS detects that a server is not responding or hung, QoS probing can be configured to email an administrator about the problem and/or automatically terminate the server and restart it. QoS log information can also be useful for analysis by IBM® Support.
    - Understanding Quality of Service (QoS) behavior and logging
      This topic covers details of QoS including server and server controller behavior during kill events, failover trigger, and log file content.
  - Managing servers
    Manage Domino® servers by performing any of these tasks.
  - Managing databases
    Topics in this section describe how to set up and manage Domino® databases.
- Tuning
  Use this information to improve IBM® Domino® server, Domino Web server, and messaging performance through the use of resource balancing and activity trends, Server.Load commands, advanced database properties, cluster statistics, and the Server Health Monitor.
- Troubleshooting
  This section describes how to find and solve problems with IBM® Domino® server and Administrator client.
- Glossary

Monitoring replication of a database

If there are replicas of a database, you can use any of these methods to monitor replication daily.

Table 1. Ways to monitor replication
Method	Description
Replication history	Records each successful replication session for a database. Useful for determining at a glance if a replication is occurring.
Replication Events view of the log file (LOG.NSF)	Shows details about replication events between servers. Useful for determining the cause of replication failure and for verifying that the expected number of replication updates occurred.
Replication monitor	Notifies you when replication of a database hasn't occurred within a specified time period. A server administrator creates replication monitors as a part of configuring the Event Monitor task.
Database Analysis tool	Lets you collect replication history, replication events from the log file, and other information specific to a database into a results database that you can analyze.

In addition to ensuring that a database is replicating, you should routinely check for and consolidate replication and save conflicts.