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note on affinity in combination with vmware DRS #527

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DaanHoogland merged 2 commits into from
Aug 6, 2025
Merged

note on affinity in combination with vmware DRS #527

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note on affinity in combination with vmware DRS
Jul 8, 2025
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Vmware -> VMware
DaanHoogland Aug 6, 2025
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6 changes: 6 additions & 0 deletions source/adminguide/virtual_machines.rst
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Expand Up @@ -814,6 +814,12 @@ deployed to the same host.
"non-strict host affinity" is similar to, but more flexible than, "host affinity",
Instances are ideally placed together in the same host, but only if possible.

.. note:: When using VMware and enabling DRS, the results are
unpredictable. VMware implements similar functionality but
CloudStack does not leverage the VMware feature. As VMware is
unaware of the CloudStack definition of affinity groups, its DRS
may go against the desired configuration.

The scope of an affinity group is on an Account level.


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