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HP-UX Virtual Partitions Administrator’s Guide > Chapter 2 How vPars and Its Components Work

Resource Migration and Required States

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The table below shows whether a resource is dynamically migratable; in other words, for each given resource type and vPars version, the intersecting box shows whether the target virtual partition must be up or down to migrate the resource.

Table 2-3 To Migrate the Resource, the Target Virtual Partition State must be...

Version

CPUsMemoryI/O

vPars A.03.xx

bound:

down

unbound:

up or down

down

down

vPars A.04.xx

boot processor:

down

all others:

up or down

vPars A.05.xx

float:

up or down

base:

add: up or down

delete: down

 

The table below shows the same information, but from the perspective of dynamic migration (in other words, online migration):

Table 2-4 Dynamic Migration

vPars Version

A.03.xxA.04.xxA.05.xx
Dynamic CPU MigrationYes for unbound CPUsYes for non-boot processorsYes for non-boot processors
Dynamic Memory MigrationNoNoYes for float. For base, can only add base memory (cannot delete online)
Dynamic I/O MigrationNoNoNo

 

NOTE: In a mixed HP-UX 11i v2/v3 vPars environment or a mixed HP-UX 11i v1/v2/v3 vPars environment, dynamic memory migration is only supported on the vPars versions that support dynamic memory migration. In other words, memory migration operations can be initiated only from virtual partitions running vPars A.05.xx, and the virtual partition target for the memory migration must be running vPars A.05.xx as well.
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