Hi Dynatrace Community,
We are observing a significant difference in the Host Availability % between Data Explorer and the Host Overview page for some AIX servers.
Environment
- OS: AIX
- Hosts: UPI DB1 / UPI DB2
- Time period: September
- Dynatrace: Managed environment
Issue
When we check the availability for the same hosts and the same time period:
- Data Explorer: Host Availability is showing approximately 35.3%
- Host Overview: Host Availability is showing approximately 99%
This is a significant difference, even though we are checking the same hosts and September time period.
What we would like to understand
Could someone please clarify:
- What is the exact metric/key and calculation used by the Host Overview page to calculate Host Availability %?
- Is the availability shown in Data Explorer calculated differently from the Host Overview page?
- Could this difference be related to:
- Metric aggregation
- Availability event calculation
- Timeframe/timezone
- Host monitoring state
- Missing telemetry/data points
- AIX-specific monitoring behavior
- Which value should be considered the correct Host Availability % for monthly reporting/SLA purposes?
We would also appreciate it if someone could provide the recommended metric selector/DQL query to reproduce the same availability percentage shown on the Host Overview page.
I can share screenshots, the Data Explorer configuration/metric selector, host details, and the exact timeframe if required.
Thanks in advance for your help.
