What is SLA reporting?

The SLA report shows the percentage of host- and service states over a selectable timespan. The percentages of states over a timespan are called statistics.

Possible states are:

Hosts: Up / Down / Unreachable
Services: Ok / Warning / Crititcal / Unknown

Enable/Disable SLA reporting

Enabling or disabling the global SLA reporting engine is done via SONARPLEX Admin GUI:

Open the Administration Web Interface > Configuration > System > SLA
Check or uncheck "Enable SLA" checkbox
Click save button

If global SLA reporting is disabled, all collected SLA data will be purged immediately!

Access SLA reports

You can view SLA reports through Web GUI if SLA reporting has been enabled.

Open User Webinterface > Reports > SLA
Select your desired timespan, for example week, 2014, last 7 days
Select a user which is allowed to view the data
Click on to view a detailed list of services for a given host

A list of SLA reports look similar to this:

List of hosts and services that show it's SLA data. The term "since" displays the beginning of the calculated data.

Keep in mind, that hosts without services show a gray bar reading "no data" for "services average". The host's SLA data is still collected.

If the selected timespan exceeds the time, a certain host or service exists, the oldest date is selected instead.

How SLA report are created

For each state of a host or service (e.g. OK, CRITICAL, etc.) the times of the states are accumulated by calculating the corresponding sla data files, creating a histogram of times over the different states. Each state features a 'time_state'. The sum of time_states calculates the 'total_time'. This 'total_time' must be equal to the requested (or adjusted) timespan.

The sum is calculated with the following formula:

percentage_state = (time_state / time_total) * 100

All SLA data are based on recording events. If a service or host changes its state, this change will be recorded. Even if a passive service or host without freshness checking gets configured, an initial event will be recorded if SLA is enabled. This initial event should start the timeline of SLA statistics for this service or host.

User permissions

SLA reports only show hosts and services, a given user is setup as part of the contacts. This offers the possibility to create ACLs to protect sensible data. Contacts can be configured in SONARPLEX Admin GUI:

Open the Administration Web Interface > Configuration > Setup > Contacts

Automatic SLA reporting

SONARPLEX supports sending automatic SLA reports to given contacts on a weekly or monthly basis. To activate automatic reporting, follow these instructions:

Open the Administration Web Interface > Configuration > Accounts
Select the receipient
Go to "Send SLA reports" and check your desired options
Save

Supported options for automatic SLA reporting.

The created reports contain all hosts and services, the given user is a valid contact for. Other hosts and services are not shown in the report.

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