Werk #14423: Main dashboard: Remove unwanted data from the graph "Percentage of total service problems"

Component	User interface
Title	Main dashboard: Remove unwanted data from the graph "Percentage of total service problems"
Date	Jul 1, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.2.0b1 Not yet released Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.2.0b1 Not yet released Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.2.0b1 Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME) 2.1.0p7 Checkmk Enterprise (CEE), Checkmk MSP (CME) 2.0.0p27 Checkmk Enterprise (CEE), Checkmk MSP (CME)

In particular setups, the graph "Percentage of total service problems" comprised unwanted data. This happened in setups with Checkmk hosts (hosts running Checkmk sites) whose sites were not connected via distributed monitoring to the site(s) on which these hosts were monitored. The sketch below visualizes such a setup.

Site A monitors host B, but Site A and Site B are not connected via distributed monitoring.

Checkmk host A --- Site A
                        |
                    monitoring
                        |
                   Checkmk host B --- Site B

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