Logical Partitioning - Hitachi CB 520H A1 User Manual

Logical Partitioning

Dedicated Resources and Shared Resources
Although the LP mode makes it possible to logically partition the hardware
resources of a server blade, the method of logical partitioning varies
depending on the hardware resource.
Some types of logical partitioning are shown in the table below.
Dedicated
Shared
Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide
Table 1-2 Type of Logical Partitioning
Term
The LPAR to which a hardware resource
has been allocated dedicatedly uses the
hardware resource and other LPARs
cannot use the hardware resource.
To switch the LPAR that can use
resources, make sure to shut down the
LPAR once to change the configuration
definition.
Time-shared The particular LPARs to which a hardware
resource has been allocated timeshare
the hardware resource.
LPAR manager keeps switching LPARs
that can use the device at very short time
intervals.
Exclusive- One of the particular LPARs to which a
shared hardware resource has been allocated
exclusively uses the hardware resource.
The LPAR using the resource can be
switched dynamically.
Figure 1-2 Logical Partitioning of Hardware Resources
LPAR manager Functions
Description
Typical
Hardware
Resources
Processors
Memories
PCI devices
Processors
PCI devices
Serial ports
USB devices
Remote
Console
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