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Configuring Power Control Policies
Power Control Policy
Cisco UCS uses the priority set in the power control policy, along with the blade type and configuration, to
calculate the initial power allocation for each blade within a chassis. During normal operation, the active
blades within a chassis can borrow power from idle blades within the same chassis. If all blades are active
and reach the power cap, service profiles with higher priority power control policies take precedence over
service profiles with lower priority power control policies.
Priority is ranked on a scale of 1-10, where 1 indicates the highest priority and 10 indicates lowest priority.
The default priority is 5.
For mission-critical application a special priority called no-cap is also available. Setting the priority to no-cap
prevents Cisco UCS from leveraging unused power from that particular blade server. The server is allocated
the maximum amount of power that that blade can reach.
You must include this policy in a service profile and that service profile must be associated with a server
for it to take effect.
Note
Creating a Power Control Policy
Procedure
Step 1
In the Navigation pane, click the Servers tab.
Step 2
On the Servers tab, expand Servers > Policies.
Step 3
Expand the node for the organization where you want to create the policy.
If the system does not include multitenancy, expand the root node.
Step 4
Right-click Power Control Policies and choose Create Power Control Policy.
Step 5
In the Create Power Control Policy dialog box, complete the following fields:
DescriptionName
The name of the policy.
This name can be between 1 and 16 alphanumeric characters. You
cannot use spaces or any special characters other than - (hyphen), _
(underscore), : (colon), and . (period), and you cannot change this name
after the object has been saved.
Name field
A description of the policy. We recommend that you include information
about where and when the policy should be used.
Enter up to 256 characters. You can use any characters or spaces except
^ (carat), \ (backslash), > (greater than), < (less than), ' (single quote),
" (double quote), ` (accent mark), or = (equal sign).
Description field
Cisco UCS Manager GUI Configuration Guide, Release 2.0
OL-25712-04 569
Configuring Policy-Driven Chassis Group Power Capping