HP-UX Virtual Partitions Administrator Guide (includes A.05.07) (5900-1229, September 2010)

Table of Contents
About This Document.......................................................................................................15
Publication History...............................................................................................................................15
1 Introduction...................................................................................................................17
What Is vPars?.......................................................................................................................................17
Product Features..............................................................................................................................18
Why Use vPars?...............................................................................................................................19
vPars Increases Server Utilization and Isolates OS and Application Faults..............................19
vPars Provides Flexibility Through Multiple but Independent OS Instances...........................19
vPars Provides Flexibility Through Dynamic Processing Core and Memory Migration..........19
Supported Environments......................................................................................................................19
HP Product Interaction.........................................................................................................................19
Ordering vPars......................................................................................................................................26
2 How vPars and Its Components Work ......................................................................27
Partitioning Using vPars.......................................................................................................................27
vPars Monitor and Database.................................................................................................................29
vPars Monitor..................................................................................................................................29
vPars Partition Database..................................................................................................................29
Boot Sequence.......................................................................................................................................30
Boot Sequence: Quick Reference.....................................................................................................30
Boot Sequence: The Details..............................................................................................................31
Virtual Consoles....................................................................................................................................32
nPartition Logs................................................................................................................................35
MCA (Machine Check Abort) Logs on Integrity Systems...............................................................35
Description.................................................................................................................................35
Location of Log Files..................................................................................................................35
Security.................................................................................................................................................36
EFI and Integrity Notes.........................................................................................................................37
Integrity Differences Relative to PA-RISC............................................................................................38
Booting.............................................................................................................................................38
Commands.......................................................................................................................................39
For Further Information..................................................................................................................39
Comparing vPars on PA-RISC and Integrity........................................................................................39
Comparing vPars Versions...................................................................................................................40
Resource Migration and Required States.............................................................................................42
Transitioning from vPars A.03.xx to vPars A.04.xx/A.05.xx (CPU Syntax and Rules).........................43
3 Planning Your System for Virtual Partitions................................................................47
Full ioscan Output of Non-Cellular System Named winona............................................................47
Full ioscan Output of Cellular (nPartitionable) System Named keira..............................................48
Planning, Installing, and Using vPars with an nPartitionable Server..................................................49
I/O Hardware Paths.........................................................................................................................50
Impact on vPars Commands: Specifying I/O.............................................................................50
CPU Hardware Paths.......................................................................................................................50
Impact on vPars Commands: Specifying CPU...........................................................................50
Planning Your Virtual Partitions...........................................................................................................51
Virtual Partitions Layout Plan.........................................................................................................51
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