•
Only Enterprise models are supported.
•
The options are applied to individual LP systems.
•
The minimum unit for memory allocation is 1 GB.
How the supported specifications change due to application of
Performance tuning options
The following table describes how the supported specifications change if
Performance tuning options are applied.
Function
Supported specification
Performance tuning options
Disabled
Enabled
Resource allocation Processor allocation
Dedicated/Shared
Dedicated
NIC allocation
Dedicated/Shared/
VF
Dedicated [02-2x or
earlier]
Dedicated/VF [02-40
or later]
Dedicated port
functionality
Supported
Not supported
FC allocation
Dedicated/Shared
Dedicated [02-2x or
earlier]
Dedicated/Shared
[02-40 or later]
FCoE allocation
Dedicated
Not supported
L3 cache allocation
Not supported
Supported
Logical processor
settings
Idle Detection
1
Y/N
N
Guest Idle Mode
3
HALT
MWAIT
2
Low Latency
3
N
Y
EPT 1GB
3
N
Y
LPAR migration
Shutdown
Supported
Not supported
Concurrent
maintenance
Supported
Not supported
N+M cold standby
Supported
Not supported
Notes:
1
.
If Y is set for Idle Detection, the Guest Idle Mode is fixed to HALT.
2
.
To set Guest Idle Mode to MWAIT, the processor allocation setting must be
dedicated, and the Idle Detection setting must be N.
If MWAIT is set for Guest Idle Mode, changes to processor allocation and Idle
Detection settings are limited.
3
.
The setting can be referenced by using the HvmSh command only.
2-22
System Operation
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide