General Oneagent update Issues and troubleshooting

[noel_david]

Below are the three common scenarios during the Dynarace One agent update. Let's check how it's fixable.

Scenario 1.

This happens in Windows machines.
This is not a Dynatrace issue; the error message points to the MS error code, which can happen for many reasons. For more details, please check the page below.

MSI installation error 1603 - Windows Server | Microsoft Learn

Scenario 2.

This happens in Linux hosts.
In the OS logs we can see the warning message for this

Error: Detected that /opt/dynatrace/oneagent is a dangling symlink, please remove it and then retry the installation

It means the installation directory is soft-linked, which is not supported. The installation path must be the real directory. This is why the Agent update keeps failing.

Scenario 3.

 

This is a self-explanatory issue; the updates can fail due to insufficient disk space. 

Scenario 4.

 This issue happens in Linux hosts; this can be due to many reasons.
Running the health check will show the details.

./oneagentctl --healthcheck

[paolo_fumanelli]

Hi, about scenario 3, how can we check in advance if a host has sufficient disk space?

My idea is to run a check 2 weeks before oneagents update to detect hosts on which to increase disk space when it is insufficient.

Thanks

[noel_david]

Hi Paolo,

The logic of checking if there are enough spaces is invoked during the update/installation step. As of now, it's not possible to check the disk space in advance.

But this page will be helpful.

https://docs.dynatrace.com/docs/shortlink/oneagent-disk-requirements-windows#updates