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Network Installation Management Guide and Reference
In AIX 4.3 and later, default paging space is set by the BOS
installation process when installing via NIM. The occurs, however, only
if the following conditions are met:
- The method of installation is overwrite.
- Neither an image_data resource nor an
image.data file on the diskette is specified for the
installation.
- The source of the BOS image is neither a mksysb image nor a
SPOT. A default paging space is set if the source of the BOS
image is a SPOT, and:
The default paging size is calculated from the smaller value of
optimal_ps and recommended_ps where:
RAM = amount of memory on the target system measured in
megabytes (MB).
optimal_ps = maximum between RAM and (0.2 size
of rootvg)
IF CDE (COSE Desktop Environment) is installed, recommended_ps =
- amount of RAM is less than 32MB, then recommended_ps
= 3 * RAM
- amount of RAM is 32MB or more, then recommended_ps =
RAM + 64MB
IF CDE (COSE Desktop Environment) is not installed,
recommended_ps =
- amount of RAM is less than 32MB, then recommended_ps
= 2 * RAM
- amount of RAM is 32MB or more, then recommended_ps =
RAM + 32MB
The default paging space set by this process is never greater than
512MB.
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