Hardware Reference
In-Depth Information
Compute power
Storage Power
2000
1500
1000
500
0
0
100
200
300
400
500
600
700
Time Since Initial Measurement (hours)
FIGURE34.3:AbsolutepoweruseofDawnoveraone-monthtimeperiod.
25%
20.8%
20%
15%
10%
5.3%
5%
4.2%
2.7%
2.2%
0%
Cielo
LANL SCE
Red Sky UC
Palmetto
Dawn
FIGURE34.4:Thepercentofpowerusedfordisksandassociatedsystems,
bymachine.
between2.2%and5.3%ofthetotalsystempower.Thisisalmostaninsignif-
icantamountofpoweruse,andislowerthantheinecienciesinthepower
distributionfeedsystemofaparticularlyecientdatacenter[21].Itissafe
tosaythatI/Opoweruseisnotaprobleminmostsystemstoday.
