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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.
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.
Managing the DDM server collection hierarchy
You use the Monitoring Configuration database (EVENTS4.NSF) to manage a DDM server collection hierarchy.
Changing a DDM collection server
Use this procedure to select a new collection server for the specified hierarchy.

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.
    - DDM probes
      Domino® has a default set of DDM Probe documents that are shipped with the product.
    - Maintaining DDM Probes
      Use the procedures in this section to view, modify, and delete Probe documents, and to enable and disable probes.
    - DDM server collection hierarchy
      DDM probes run on a server and report events to the Domino® Domain Monitor database (DDM.NSF) that is on that server. Rather than visit every Domino Domain Monitor database on every server to review the probe results, create a DDM server collection hierarchy and have the data aggregated to a few servers.
    - Managing the DDM server collection hierarchy
      You use the Monitoring Configuration database (EVENTS4.NSF) to manage a DDM server collection hierarchy.
      - Creating a DDM server collection hierarchy
        Use this procedure to create a DDM server collection hierarchy.
      - Changing a DDM collection server
        Use this procedure to select a new collection server for the specified hierarchy.
      - Deleting a DDM server collection hierarchy
        Use this procedure to delete a server collection hierarchy from the Monitoring Configuration database (EVENTS4.NSF).
      - Adding subordinate servers to the DDM server collection hierarchy
        Use this procedure to add one or more subordinate servers to a server collection hierarchy.
      - Removing servers from the DDM server collection hierarchy
        When removing servers from a DDM collection hierarchy, the removal list includes only servers that are directly subordinate to the selected server. The list of servers does not include servers that are subordinate to the subordinate servers. The first step in deleting a server from the DDM collection hierarchy is to select the parent (collection) server of the subordinate servers to be deleted from the hierarchy. You can then remove one or more subordinate servers from that hierarchy.
    - Domino® Domain Monitor database
      The Domino® Domain Monitor database (DDM.NSF) contains event information that is reported by DDM probes as well as event information reported by other checks that are built into Domino for DDM. Those checks include event generators; new checks that run as part of specific server tasks, such as the router or replicator; and checks that generate events in previous Domino releases and that have now been modified to report into DDM with additional information.
    - Specifying ACL settings and roles in the DDM database
      Several of the actions that you can perform while you maintain the Domino® Domain Monitor database (DDM.NSF) require that an administrator have a specific minimum level of access assigned in the ACL for DDM.NSF. Additionally, some activities require that a specific minimum level of access and a specific role be assigned.
    - Viewing events in the Domino® Domain Monitor database
      Use the Domino® Domain Monitor database (DDM.NSF) to view events sorted by severity, type, server, date or assignment. You can also view open events, recent events or all events simply by clicking a tab in these views.
    - Event-related documents
      When an event occurs, an Event Report is generated. Information in the Event Report is obtained from other sources or documents.
    - Maintaining the Domino® Domain Monitor database
      You can manage events from the Domino® Domain Monitor database. See the related topics for procedures for managing events from DDM.
    - Using IBM® Sametime® in the Domino® domain monitor database
      You can initiate an IBM® Sametime® chat with another DDM administrator from the Domino® Domain Monitor (DDM) user interface.
    - Filtering events in DDM
      Create and use DDM filters to control which events are collected and then stored in DDM.
  - 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 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.
  - 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.

Changing a DDM collection server

Use this procedure to select a new collection server for the specified hierarchy.

Procedure

From the Domino® Administrator, click Files.
Open the Monitoring Configuration database.
Choose Server Collection Hierarchy.
Select the server collection hierarchy for which you want to choose a different collection server.
Click Change Collection Server.
Select a new collection server from the list.
Choose File > Close to exit.