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HP-UX Virtual Partitions Administrator’s Guide > Chapter 11 vPars Flexible Administrative Capability

Terms and Definitions

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target partition

This is the virtual partition that is affected when a vPars command is executed. For example, in the command:

# vparmodify -p winona2 -a cpu::1 ...

an attempt is made to add a CPU to winona2, so winona2 is the target virtual partition. The argument of the -p option is the target partition.

local partition

This is the virtual partition from which a vPars command is executed. For example, in the command:

winona1# vparmodify -p winona2 -a cpu::1

assuming the HP-UX shell prompt contains the hostname, the vparmodify command is executed from winona1, so winona1 is the local virtual partition. winona2 is the target partition.

designated-admin virtual partition

This is a virtual partition that is allowed to perform vPars commands that affect other virtual partitions. For example, assume the flexible administrative capability feature is ON and the following command is executed:

winona1# vparmodify -p winona2 -a cpu::1

Because this command affects another virtual partition (winona2), the local virtual partition winona1 must be a designated-admin virtual partition in order for this command to be successful.

CAUTION: In a mixed HP-UX 11i v2/v3 vPars environment, or a mixed HP-UX 11i v1/v2/v3 vPars environment, the vparcreate and vparremove operations can only be performed from the vPars A.05.xx virtual partitions; vparmodify operations affecting other virtual partitions can only be performed from the vPars A.05.xx virtual partitions.

When the flexible administrative capability is ON (enabled), setting only vPars A.04.xx (or only vPars A.03.xx) virtual partitions as designated-admin virtual partitions is not recommended.

For example, in a mixed HP-UX 11i v2/v3 vPars environment or a mixed HP-UX 11i v1/v2/v3 vPars environment, if all the designated-admin virtual partitions are vPars A.04.xx virtual partitions, no partitions will be able to perform vparmodify, vparremove, or vparcreate operations on other partitions.

non-designated-admin virtual partition

This is a virtual partition that is not allowed to perform vPars commands that affect other virtual partitions. For example, assume the flexible administrative capability feature is ON and the following command is executed:

winona1# vparmodify -p winona2 -a cpu::1 vparmodify: Error: Only Designated-Admin virtual partitions can perform this operation on winona2.

Because this command affects another virtual partition (winona2), if the local virtual partition winona1 is a not a designated-admin virtual partition, the command will not be successful.

designated-admin virtual partition list

This is the list of virtual partitions that are currently set as designated-admin virtual partitions. If a virtual partition is in this list or added to this list, it is a designated-admin virtual partition. If a virtual partition is not in this list or is deleted from this list, it is a non-designated-admin virtual partition. How to add or delete virtual partitions from this list is discussed in a later section.

Whenever the flexible administrative capability mode is set to ON, the designated-admin virtual partition list will be empty.

flexible administrative capability mode

When this mode is set to ON, only designated-admin virtual partitions are allowed to successfully execute vPars commands that affect other partitions. For example, in the command:

winona1# vparmodify -p winona2 -a cpu::1

this command will check whether the local virtual partition (winona1) is a designated-admin virtual partition or if the target partition is the local partition. If either condition is true, the command is executed. If not, the command is denied execution. How to set the mode is discussed in a later section.

By default, the flexible administrative capability mode is OFF.

flexible administrative capability password

From the vPars Monitor prompt, when setting the flexible administrative capability mode to ON, you will be prompted to set a flexible administrative capability password.

From the HP-UX shell, if a superuser attempts to add or delete a virtual partition from the designated-admin virtual partition list, the superuser will be prompted for the flexible administrative capability password that was set.

When the flexible administrative capability mode is OFF, there is no flexible administrative capability password.

This designated administration feature relies on high quality passwords that are not easily guess-able, so choose a password wisely.

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