Log attributes (icon ) are monitoring attributes that capture messages in their context. This means that the data collection method does not just write isolated messages in the Alert Monitor, but also the content of a log or trace.

Features

Log attributes have a number of special features in the display of properties and methods. These are described here. If you want to display the properties of a log attribute, select the attribute in the alert monitoring tree and choose Properties.

Display "Current Value" like Group Box

Alert Settings Group Box

Internal Storage of Message Lines Group Box

See Also:

Detail Display for Log Attributes

Every monitoring tree element (MTE) has properties that contain more detailed information about the element. The properties are divided into two groups:

· Properties that depend on the type of the MTE; these are:

Properties of Log Attributes

Properties of Performance Attributes

Properties of Status Attributes

· Properties that are independent of the type of the MTE. These are called general properties.

The general properties of an MTE include a message class and message number; these contain a short description of the MTE. The general properties also contain information about possible alerts. However, as alerts can only be generated for monitoring attributes, the following properties apply only for the attributes that belong to the object:

· Criticality and severity of the alert that is associated with the MTE

· Maximum number of alerts to be stored for this MTE

· Conditions under which no alert is to be generated

By default, the properties for the different MTEs in an MTE class are identical, however, you can change the properties individually for single MTEs (see Changing Properties and Maintaining Methods).

Use

The general properties determine, above all, the handling of alerts. If alerts for particular MTE classes or individual MTEs are especially important for the monitoring of your IT landscape, you can ensure that these alerts are, for example, reported further up the alert monitoring tree, or that a large number of these alerts is stored in the monitoring segment, by changing the general properties.

Structure

The general properties are as follows:

The number and selection of alerts that are to be stored have a critical importance for the function of the monitoring architecture: incorrect settings can cause the monitoring segment in which the alerts are stored to become full. We therefore recommend:

§ You should store the newest alerts. You can use the report RSAL_KEEPALTYPE_MODIFY to change all occurrences of All alerts should be kept to the newest alerts should be kept. Execute the report once for each affected SAP system and after every upgrade of the monitoring architecture.

§ You should complete alerts regularly to gain available storage area in the monitoring segment. With a large number of MTEs, it is useful to define conditions under which the system should automatically complete alerts.

§ Observe the Space subtree of the CCMS Selfmonitoring monitor. If there is insufficient free storage space in the monitoring segment, a corresponding alert is generated there.

Use

Performance attributes (symbol ) are monitoring attributes that collect certain reported performance data and calculate the average.

Features

In the display of the properties and methods, performance attributes have a number of special characteristics that are described here. To display the properties of a performance attribute, choose the attribute in the alert monitoring tree and choose Properties.

Comparison Value

Threshold values

In this group box, you can edit the threshold values with which an alert is triggered if the reported value exceeds or falls below the appropriate value. Note when doing so that the change applies not only to the concrete monitoring tree element (MTE), but for the whole MTE class. This is displayed at the top of the screen.

You have the option to assign different threshold values for a Change from GREEN to YELLOW and the Reset from YELLOW to GREEN (the same also applies for the Change from YELLOW to RED and the Reset from RED to YELLOW). This prevents a constant switching between the alert levels, if the attribute is wavering around the threshold value, which would generate a new alert every time.

The display of a rule of this type would look as shown in the graphic below. To find out the alert level, start from any value for the performance attribute and move upwards until you meet the curve. If the value is climbing from a lower alert level, the lower part of the curve is valid for determining the alert; if the value is falling from a higher alert level, the upper part of the curve is used.

The unit of the threshold value is determined using the data supplier.

Explanation for an Alert

If an alert is triggered, it is displayed in the Alert Browser. A short explanatory text for the alert is displayed there in the Alert Text column. Choose the relevant line of an alert and choose F1 to display a more detailed text about the alert. The system displays its short text and the associated message class and number here. You can use these to adjust the delivered message texts.

Use

Status attributes (symbol ) are monitoring attributes that report error message texts and alert status.

Features

Status attributes have a number of special characteristics in the display of properties and methods. To display the properties of a status attribute, choose the attribute in the alert monitoring tree and choose Properties.

When should a message trigger an alert?

• Always (at every message): The Alert Monitor triggers a alert with the corresponding message value for every message.
• Message value (color) has changed: The Alert Monitor only triggers an alert if the alert color of a reported message changes. For example, an alert is triggered if a red message follows a yellow message.
• The message sent has changed: The Alert Monitor only triggers an alert if the color or severity of a message changes or if a new message is sent.
• Never: The Alert Monitor does not trigger any alerts.

Changing the value for alert generation

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