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Filing this bug on behalf of a few CentOS users who have run into this issue. I don't have the possibility to test this myself.

Description of problem:
Servers running CentOS 7.6.1810 show up in VMware vSphere as a Guest OS of CentOS 6.

Version-Release number of selected component (if applicable):
10.2.5-3.el7

How reproducible:
Always

Steps to Reproduce:
1. Install CentOS 7.6.1810 in VMware vSphere.
2. Install open-vm-tools on the guest
3. See what gets reported on the host

Actual results:
Guest gets detected as CentOS 6

Expected results:
Guest gets detected as CentOS 7

Additional info:
Problem report: https://www.centos.org/forums/viewtopic.php?f=47&t=69383

There is an open issue with a patch on github, https://github.com/vmware/open-vm-tools/issues/311

Lili,

Have we seen anything like this in RHEL 7.6? I have not seen it reported but wanted to double check.

Thanks!

The issue only affects CentOS 7.6, not RHEL afaik. The mentioned fix will be part of our upcoming release.

Upstream fix:
https://github.com/vmware/open-vm-tools/commit/ba83c29fcd703ecb6a13a7767bad180033234aea

Hi Cathy,
This issue not occur on RHEL7.6, I could reproduce it on CentOS 7.6.
After fix it, I can help verify it on our test ENV.

Thanks

Lili Du

Yes the patch applies cleanly on top of RHEL 7.7, and builds, so I'll
submit it to rhvirt-patches in a moment.

Patch posted on the list.

Fix included in open-vm-tools-10.3.0-3.el7

Hi Miro, all,

as this is CentOS and not RHEL, this issue needs to be addressed within the CentOS community.

Product Management has reviewed and declined this request.
You may appeal this decision by reopening this request.

Even though the problem shows up only on CentOS, the bug is in open-vm-tools-10.2.5-3.el7 that was shipped in RHEL. We usually try to avoid fixing upstream's bugs in CentOS packages, but instead report them to Red Hat for fixing.

On the other hand, this will no longer be a problem with 7.7, with or without an updated open-vm-tools, so maybe it does not matter much at this stage.