Hp XP Performance Advisor Software Manual de usuario Pagina 128

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Components of t
he Performance Estimator screen
Table 33 lists the components that appear in the Performance Estimator screen.
Table 33 Perfor
mance Estimator screen components
Component
Description
ACP Pairs
The number of Array Control Processor (ACP) pairs.
CHIP Pairs
The number of Cl
ient Host Interface Processor (CHIP)
pairs.
Disk Type
The number of gigabytes available on the drive.
Low Latency
Refers to a light load with less delay.
Moderate Latency
Refers to a hea
vier load with greater delay.
RAID 1
A RAID 1 array group” consists of four disks
(2D + 2P). Usable capacity is 50% of raw capacity.
RAID 5
A RAID 5 array group” consists of four disks
(3D + 1P). Usable capacity is 75% of raw capacity.
RAID Group Split
Use this eld
to adjust the load and ga ther
performance estimates.
Raw Capacity
Raw capacity is obtained from disk capacity
minus 10%.
R.T . (ms)
Response time as expressed in milliseconds.
128
Performance Estimator
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