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View the change history of application services

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View the change history of application services

You can view changes made to an application service as a whole and to the individual configuration items (CIs) comprising the service. Change history is useful for maintenance, planning, or troubleshooting procedures.

Before you begin

Role required: admin, sm_admin, sm_user, app_service_admin, or app_service_user

About this task

Details about changes to an application service and to its CIs is stored in the CMDB. Typically, these changes reflect adding or removing CIs from an application service, upgrading or updating CIs, or modifying CI configuration files. The system gathers this data by querying CMDB tables and then creating the change history view. In deployments where Service Mapping is activated, the type of change information Service Mapping queries depends on discovery patterns that Service Mapping uses to discover CIs.

Changes to configuration files are associated with CIs to which these files belong. Maps show configuration file changes as changes to related CIs.

While you can see change records for a specific CI in the context of application services, you can also see detailed history of a specific CI separate from its application service as described in History Timeline.

If the Now Platform is configured to validate changes, all changes are evaluated and rendered as valid or not. If a change is valid, its change record on the application service map is marked as approved. For more information about configuring the Now Platform for change validation, see Managing proposed changes.

Changes to the application service appear on the history timeline.

The history scale shows changes to the application service.
The type of change mark depends on the nature of changes that it represents:
Light gray balloon ()
Unapproved change that does not influence the application service behavior. For example, a change in a network path or adding a node to a cluster.
Dark gray balloon ()
Unapproved change that changes the application service behavior.
Green balloon ()
An approved change in deployments where the Now Platform is configured to validate changes.
Double balloon ()
Multiple separate changes that happened a short time from each other.

You can mark times on the history scale by creating baselines to quickly return to the marked view.

The following user interface screens refer to application services as business services: Business Service Group Responsibilities, Approve, Service Mapping Properties, and Service Map Planner.

Procedure

  1. Navigate to Configuration > Application Services > Application Services.
  2. Alternatively, if Service Mapping is deployed, navigate to Service Mapping > Services > Application Services.
  3. Click View map for the application service for which you what to see change history.
    Actions or map elements which are relevant only for application services discovered by Service Mapping, do not appear on maps for manually created application services.
    The Changes tab at the bottom of the page shows all change records created for this application service.
  4. On the history timeline, set the time range of changes that you want to view.
    OptionAction
    To set the time range of the history timeline Click the hour, day, week, or month icons.

    Click the hour, day, week, or month icons to set the time range of the history scale.
    To increase or decrease the time range Click the zoom in and zoom out icons.

    Click the zoom in and zoom out icons to change the time range.
    To change the upper limit on your history range Click the history scale.

    Click the history scale to mark the time which serves as the upper limit.

    The time that serves as the upper limit appears above the history timeline.

    Note:

    You cannot set the lower limit on your history range to a time before this application service was created. This time is marked with the IT Service Created event on the history timeline.


    The IT Service Created pointer on the History timeline.
    The map shows the history view of the application service for the time you selected.
    Note: The Change tab shows all change records, even the ones which are filtered out of the history view.
  5. To mark a time on the time scale, set a baseline:
    1. Click the Compare icon.

      The Compare icon on the Map page.
    2. Navigate to the time you want to mark as a baseline on the history scale.
    3. Click Set baseline.

      Click Set baseline.
    4. Enter the name of the baseline and click OK.
      The new baseline appears as a button above the history scale and as a blue flag on the history scale.

      The Baseline button and flag.
  6. View the change history:
    OptionAction
    To see the CI responsible for a change record Select a change record on the Changes tab.

    The related CI is marked yellow in the map.


    View the CI responsible for a change record.
    To see only change records related to a CI Select the required CI or the connection on the map.

    The Changes tab displays only change records related to the selected CI or connection.


    View only change records related to a CI.
    To see the configuration file at the selected moment in the past
    1. Set the time on the history scale.
    2. In the Properties pane, scroll to Tracked Configuration Files, and click the file name.

      The new tab opens displaying the content of the tracked configuration file at the selected time.

    To see network at the selected moment in the past
    1. Set the time on the history scale.
    2. Right-click the connection and select Show network path.

      The new tab opens displaying the network or storage path map for the time you selected.

    Note: You cannot view the network path for connections marked as boundaries to this application service.
  7. To exit the history view and see the current status of the application service, click the current icon.

    The graphic shows the current icon for exiting the history view.
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