Item Version
LPAR manager firmware 02-40 or later
HvmSh 9.00 or later
Specifying DNS settings
You can use the operations below to specify DNS settings.
Table 2-11 Web console
Item Operation
DNS settings Resources > Modules > All Modules > Server Blades >
Server Blades x > LPAR > Edit > DNS settings
Table 2-12 HVM management command (HvmSh)
Item Command name
Settings for system
configuration information (DNS
server)
opr SystemConfigDNS
Tip:
• DNS suffixes are not supported. Specify host names by using fully
qualified domain names (FQDN).
Performance tuning options
Note:
• Make sure to keep the parameter "Performance tuning options" disabled
on your environment. The feature "Performance tuning options" allows
LPARs to perform more efficiently on only environments that meet certain
hardware and setting conditions, such as the UCP solution environment of
Hitachi Data Systems Corporation and others.
By enabling the parameter "performance tuning options", you can use the
options listed in the table below.
Option Description
Guest Idle
Mode
Indicates a mode to process instructions when logical processors are idle.
Low Latency Indicates a method in which logical processors work in I/O access.
EPT 1GB Indicates the size of a memory unit for memory control and operation.
Performance tuning options have the following characteristics:
System Operation
2-21
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide
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