382 IBM z13s Technical Guide
This function enables operations personnel with no z Systems knowledge to query the
maximum power draw of the system, as shown in Figure 10-6. The implementation helps to
avoid capping enforcement through dynamic capacity reduction. The customer controls are
implemented in the HMC, the SE, and the Active Energy Manager.
Figure 10-6 Maximum potential power
Use this function with the power estimation tool to plan for power and cooling requirements.
See 10.4.1, “Power estimation tool” on page 381.
10.4.3 System Activity Display and Monitors Dashboard
The System Activity Display presents you with the current power usage, among other
information, as shown in Figure 10-7.
Figure 10-7 Power usage on the System Activity Display
Label Power
Power
(wa tts)
Time
Tre ndin g ( weeks, months)
Power typically allocated to a ser ver
Over Allocated
Power not converted into
compute cycles
Proper
Power/
Cooling
Allocation
Wasted Power /
Cooling
Allocation
Allocation Model of Server
Power budget not
converted into
compute cycles
Power budget
converted into
c ompute cy cles
Max
Potential
Powe r
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