HP-UX Virtual Partitions Administrator Guide (includes A.05.08) (5900-1312, March 2011)

2 How vPars and Its Components Work
This chapter covers:
• Partitioning Using vPars
• vPars Monitor and vPars Partition Database
• vPars Boot Sequence
• EFI and Integrity Notes
• Virtual Consoles and Logs
• Security
Partitioning Using vPars
To understand how vPars works, compare it to a server not using vPars. Figure 2-1 shows a 4-way
HP-UX server. Without vPars, all hardware resources are dedicated to one instance of HP-UX and
the applications that are running on this one instance.
Figure 2-2 shows the software stack where all applications run on top of the single OS instance:
Figure 3 Server without vPars
Partitioning Using vPars 27