Combinations of LPAR settings that can be activated if Performance
tuning options are enabled
The following table describes combinations of the LPAR settings that can be
activated if Performance tuning options are enabled:
Processor allocation
Idle Detection
Guest Idle Mode
Low Latency
Dedicated
Y
HALT
N
N
HALT
N
MWAIT
Y
MWAIT
N
Shared
Y
HALT
N
N
HALT
N
How default values change due to application of Performance tuning
options
The following table describes how the default values change if Performance
tuning options are applied.
Parameter
Default
Performance tuning options
Disabled
Enabled
Idle Detection
Y
N
Guest Idle Mode
HALT
MWAIT
Low Latency
N
Y
EPT 1GB
N
Y
Firmware combinations
The following table describes firmware combinations:
Firmware
Version
CB 520H B4
CB 520X B2
CB 520X B3
Management module firmware
A0305 or later
A0270 or later
A0320 or later
LPAR manager firmware
02-50 or later
02-27 or later
02-56 or later
Specifying settings
To specify settings of Performance tuning options, perform the operations
described below from the Web console. Make sure that the server blade is
powered off when you specify settings.
System Operation
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Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide