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new 2963c205 note on affinity in combination with vmware DRS (#527)
2963c205 is described below
commit 2963c205b41a30198fc32b7da8cef5f154957b58
Author: dahn <[email protected]>
AuthorDate: Wed Aug 6 10:49:31 2025 +0200
note on affinity in combination with vmware DRS (#527)
---
source/adminguide/virtual_machines.rst | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/source/adminguide/virtual_machines.rst
b/source/adminguide/virtual_machines.rst
index 68f71a04..786ec6d3 100644
--- a/source/adminguide/virtual_machines.rst
+++ b/source/adminguide/virtual_machines.rst
@@ -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.
