6.3

Table Of Contents
Table 12. Decreasing CPU Count and Memory Behavior Based On Options
Virtual Machine Power State Power Off Allowed Selected Results
On Yes If VMware Tools is installed and
running, the action shuts down the
virtual machine, decreases the CPU or
memory, and powers the machine back
on.
If VMware Tools is not installed, the
action powers o the virtual machine,
decreases the CPU or memory, and
powers the machine back on.
On No The action does not run on the virtual
machine.
O Not applicable. The virtual machine
is powered o.
The action decreases the value and
leaves the virtual machine in a
powered o state.
How you use Power O Allowed when you are increasing the CPU count or the amount of memory
depends on several factors, including the state of the target virtual machine and whether hot plug is
enabled. Use the following information to determine which scenario applies to your target objects.
If you are increasing the CPU count, you must consider the power state of the virtual machine and whether
CPU Hot Plug is enabled when determining whether to apply Power O Allowed.
Table 13. Increasing CPU Count Behavior.
Virtual Machine Power
State CPU Hot Plug Enabled
Power Off Allowed
Selected Results
On Yes No The action increases the CPU
count to the specied
amount.
On No Yes If VMware Tools is installed
and running, the action
shuts down the virtual
machine, increases the CPU
count, and powers the
machine back on.
If VMware Tools is not
installed, the action powers
o the virtual machine,
increases the CPU count,
and powers the machine
back on.
O Not applicable. The virtual
machine is powered
powered o.
Not required. The action increases the CPU
count to the specied
amount.
If you are increasing the memory, you must consider the power state of the virtual machine, whether
Memory Hot Plug is enabled, and whether there is a Hot Memory Limit when determining how to apply
Power O Allowed.
vRealize Operations Manager User Guide
58 VMware, Inc.