Hitachi CB 520H A1 User Manual page 28

• Memory for LPAR manager
The following table describes the physical memories that are used with
LPAR manager.
CB 520H A1/B1/B2
CB 520H B3
CB 520H B4
CB 520A A1
CB 540A A1/B1
CB 520X B1/B2
CB 520X B3
Notes:
1
.
• Memory for logical firmware
Logical firmware uses a part of memory space assigned to each LPAR.
Memory that logical firmware uses, in general, can be estimated from the
following calculation formulas:
– [Less than 8 GB memory assigned to LPAR]
¢
– [8 GB or larger memory assigned to LPAR]
¢
• Memory for a guest OS
Memory space available for a guest OS is calculated by subtracting the
amount of memory the logical firmware uses from the amount assigned
to the LPAR. This memory size is usually same as the available memory
size for a guest OS (indicated memory size in a guest OS). However, all
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Hitachi Compute Blade 500 Series Logical partitioning manager User's Guide
Figure 1-18 Memory Mapping of Logical Partitioning
Server blade type
For the value of MM Config Base, see
page 5-4
0.6% of memory assigned to LPAR + number of logical processors x
2.25 MB + 65 MB
0.25% of memory assigned to LPAR + number of logical processors x
2.25 MB + 80 MB
LPAR manager Functions
Amount of memory necessary for operating LPAR
2048 MB
2560 MB
4096 MB (when MM Config Base is set to 2048 MB
6144 MB (when MM Config Base is set to 3072 MB
2048 MB
2048 MB
3072 MB
6144 MB
Table 5-2 Server Blade and EFI settings on
manager
1
)
1
)