sureshanaparti commented on a change in pull request #186:
URL:
https://github.com/apache/cloudstack-documentation/pull/186#discussion_r728850076
##########
File path: source/adminguide/virtual_machines.rst
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@@ -717,14 +717,28 @@ variables:
- scale.retry: How many times to attempt the scaling operation. Default
= 2.
+Along with these global configurations following are the options that needs
+to be enabled to make a VM dynamically scalable
+
+- Template from which VM is created needs to have Xen tools (for XenServer
hosts)
+ or VMware Tools (for VMware hosts) and while registering the template
should be
+ marked as Dynamically Scalable.
+
+- Service Offering of the VM should have option Dynamic Scaling Enabled set
to true.
+ By default when a Service Offering is created Dynamic Scaling Enabled is
set to true.
+
+- While deploying a VM, user or admin needs to mark Dynamic Scaling Enabled
to true.
+ By default the value of Dynamic Scaling Enabled is set to true.
+
+If any of the above settings are false then VM cannot be configured as
dynamically scalable.
How to Dynamically Scale CPU and RAM
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
To modify the CPU and/or RAM capacity of a virtual machine, you need to
change the compute offering of the VM to a new compute offering that has
-the desired CPU and RAM values. You can use the same steps described
-above in `“Changing the Service Offering for a
+the desired CPU and RAM values and Dynamic Scaling Enabled option set to true.
Review comment:
```suggestion
the desired CPU value, RAM value and 'Dynamic Scaling Enabled' option as
true.
```
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