The search feature allows you to search and filter alarm entries by name and description.

The check box above the top left of the table is used to select all alarm definitions on the current page.

To sort the table, click the desired column header. To reverse the sort order, click the column again.

The Create Alarm Definition button next to the search bar allows you to create a new alarm definition.

To create a new alarm definition:

Using the Filter Alarms button, you can filter the alarms by their IDs and dimensions. The Filter Alarms dialog lets you configure a filtering rule using the Alarm ID field and options in the Dimension(s) section.

You can display the alarms by grid, list or table views by selecting the corresponding icons next to the Sort By control.

To sort the alarm list, click the desired column header. To reverse the sort order, click the column again.

Each row has a checkbox to allow you to select multiple alarms and set the same condition on them.

The Status column displays a graphical indicator that shows the state of each alarm:

The Alarm column identifies the alarm by the name it was given when it was originally created.

The Last Check column displays the date and time the most recent occurrence of the alarm.

The Dimension column describes the components to check in order to clear the alarm.

The Notification Methods section of the Alarm Explorer allows you to define notification methods that are used by the alarms. By default, notification methods are sorted by name.

The dedicated bar at the top of the page bar lets you filter alarm entries using the available filtering options.

Figure 3.1: Compute Hosts #

  

Click the Filter icon to select one of the available options:

The alarm entries can be sorted by clicking on the appropriate column header, such as Name, Status, Type, State, etc.

To view detailed information (including alarm counts and utilization metrics) about a specific host in the list, click in the host's name in the list.

The search bar allows you to filter the alarm definitions you want to view. Type and Status are examples of alarm criteria that can be specified. Additionally, you can filter by typing in text similar to searching by keywords.

The checkbox allows you to select (or deselect) a group of alarm definitions to delete:

You can display the alarm definitions by grid, list or table views by selecting the corresponding icons next to the Sort By control.

The Sort By control contains a drop-down list of ways by which you can sort the compute nodes. Alternatively, you can also sort using the column headers in the table.

The Inventory Summary section provides an overview of compute alarms by status. These alarms are grouped by control plane. There is also information on resource usage for each compute host. Here you can also see alarms triggered on individual compute hosts.

Figure 5.1: Compute Summary #

  

Capacity Summary offers an overview of the utilization of physical resources and allocation of virtual resources among compute nodes. Here you will also find a break-down of CPU, memory, and storage usage across all compute resources in the cloud.

The Compute Summary show overviews of new alarms as well as a list of all alarms that can be filtered and sorted. For more information on filtering alarms, see Chapter 2, Alarm Explorer.

To access the logging interface, click the Launch Logging Interface button, which will open the interface in a new window.

For more details about the logging interface, see Book “Operations Guide”, Chapter 12 “Managing Monitoring, Logging, and Usage Reporting”, Section 12.2 “Centralized Logging Service”.

The filter bar allows you to filter the alarms by the available criteria, including Dimension, State, and Service. The dimension filter accepts key/value pairs, while the State filter provides a selection of valid values.

You can sort alarm entries using the column headers in the table.

You can select one or multiple alarms using the check box next to each entry.

The State column displays a graphical indicator that shows the state of each alarm:

The Alarm column identifies the alarm by its name.

The Last Check column displays the date and time the most recent occurrence of the alarm.

The Dimension column shows the components to check in order to clear the alarm.

The last column, depicted by three dots, reveals an Actions menu gives you access to the following options:

The New Alarms section shows you the alarms that have triggered since the timeframe indicated. You can select the timeframe using the View control with options ranging from the Last Minute to Last 30 Days. This section refreshes every 60 seconds.

The new alarms will be separated into the following categories:

Each service or group of services have a dedicated card displaying related alarms.