Z HMC sensor releases
Instana monitors the HMC server by using the Instana Z HMC sensor. The sensor provides insights into the health and performance of applications and services that use the HMC server.
For more information, see Monitoring IBM Z HMC.
Release 1.0.21
Z HMC sensor 1.0.21 is released on 13 May 2026.
Fixes
This release provides the following fixes:
- Fixes an issue in zHMC monitoring that can cause intermittent connection failures, timeout issues, and HTTP 503 errors in certain environments.
- Fixes an issue where the LPAR power consumption metric is not collected correctly in newer zHMC versions due to changes in the API response format.
Release 1.0.20
Z HMC sensor 1.0.20 is released on 27 April 2026.
Improvements
This release adds capacity group utilization monitoring with Instana.
Release 1.0.19
Z HMC sensor 1.0.19 is released on 25 March 2025.
Improvements
The Z HMC sensor now includes additional power consumption metrics, which provides detailed insights into partition, infrastructure, and unassigned usage for each system.
Release 1.0.17
Z HMC sensor 1.0.17 is released on 28 October 2024.
Features
The Z HMC Sensor now includes the Power Consumption metric for each of the LPARs, present in the Partition section of the zHMC Dashboard. This metric is available for the major API version 4.
Improvements
The sensor now supports zHMC 2.16.0.