HP Integrity Superdome 2 8/16 HP Superdome 2 Partitioning Administrator Guide - Page 14

Virtual Partitions (vPars), Commands: Partition Help s

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• Boot an existing nPartition. • Remove an nPartition. • Rename an nPartition. • Reset an nPartition. • Assign and unassign resources such as blades and I/O bays. You can define many possible configurations for an nPartition complex, and then control which configurations or which partitions will exist at any given point in time. This is possible by using partition specifications. A partition specification is a mechanism you can use to store the definition of a partition. This is like a 'plan' for the nPartition, and contains your inputs regarding the definition of a nPartition including the definition of any and all virtual partitions that are in it. An nPartition can have more than one specification: that is, multiple partition specifications can be associated with the same partition number. This gives you the ability to create and save multiple definitions for any nPartition. You can create, modify, remove, copy, rename, and list the partition specifications. NOTE: All of the partition commands are also available from HP-UX running in a partition. Virtual Partitions (vPars) A virtual partition is a fine grained firmware subset of a hard partition (nPartition) where each virtual partition can run an independent instance of HP-UX. An nPartition can contain a maximum of 16 virtual partitions. You can assign the resources available in the nPartition to the virtual partitions. In HP Superdome 2 systems, you can assign CPU cores, memory (interleaved (ILM) and socket local (SLM)), and I/O. You can use the OA to perform the following functions related to virtual partitions: • Create a new vPar. • Modify an existing vPar. • Boot an existing vPar. • Remove a vPar. • Rename a vPar. • Reset a vPar. • Assign and un-assign resources such as memory, CPU, and I/O. The OA supports the following virtual partition commands - vparcreate, vparmodify, vparremove, vparboot, vparreset, and vparstatus. For information about the new partition features in HP Superdome 2 and to learn the differences between implementation of partitioning in HP Superdome 2 and in the older systems, see the technical white paper New Features in Superdome 2 Partition Management. Commands: Partition Help pages The purpose of Partition Help pages is to describe Partition concepts and how to perform common Partition tasks. For detailed information on the Partition commands, including description, syntax, all the command line options, and the required state of a partition for each command, see the Partition help pages. On the OA, use the help command to access the help pages. For example, at the OA prompt, run help vparcreate2 to display the help text for vparcreate. On the OS, use the man command to display the corresponding manpage. For example, run man vparcreate to display the vparcreate manpage. 14 Partitioning in HP Superdome 2

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•
Boot an existing nPartition.
•
Remove an nPartition.
•
Rename an nPartition.
•
Reset an nPartition.
•
Assign and unassign resources such as blades and I/O bays.
You can define many possible configurations for an nPartition complex, and then control which
configurations or which partitions will exist at any given point in time. This is possible by using
partition specifications. A partition specification is a mechanism you can use to store the definition
of a partition. This is like a 'plan' for the nPartition, and contains your inputs regarding the
definition of a nPartition including the definition of any and all virtual partitions that are in it.
An nPartition can have more than one specification: that is, multiple partition specifications can
be associated with the same partition number. This gives you the ability to create and save
multiple definitions for any nPartition. You can create, modify, remove, copy, rename, and list
the partition specifications.
NOTE:
All of the partition commands are also available from HP-UX running in a partition.
Virtual Partitions (vPars)
A virtual partition is a fine grained firmware subset of a hard partition (nPartition) where each
virtual partition can run an independent instance of HP-UX. An nPartition can contain a maximum
of 16 virtual partitions. You can assign the resources available in the nPartition to the virtual
partitions. In HP Superdome 2 systems, you can assign CPU cores, memory (interleaved (ILM)
and socket local (SLM)), and I/O.
You can use the OA to perform the following functions related to virtual partitions:
•
Create a new vPar.
•
Modify an existing vPar.
•
Boot an existing vPar.
•
Remove a vPar.
•
Rename a vPar.
•
Reset a vPar.
•
Assign and un-assign resources such as memory, CPU, and I/O.
The OA supports the following virtual partition commands – vparcreate, vparmodify, vparremove,
vparboot, vparreset, and vparstatus.
For information about the new partition features in HP Superdome 2 and to learn the differences
between implementation of partitioning in HP Superdome 2 and in the older systems, see the
technical white paper
New Features in Superdome 2 Partition Management
.
Commands: Partition Help pages
The purpose of Partition Help pages is to describe Partition concepts and how to perform common
Partition tasks. For detailed information on the Partition commands, including description,
syntax, all the command line options, and the required state of a partition for each command,
see the Partition help pages.
On the OA, use the help command to access the help pages. For example, at the OA prompt, run
help vparcreate2
to display the help text for vparcreate. On the OS, use the man command
to display the corresponding manpage. For example, run
man vparcreate
to display the
vparcreate manpage.
14
Partitioning in HP Superdome 2