LPAR Protection in IBM POWER5™ Hardware

 

Hypervisor-

 

 

Hypervisor-

 

 

 

Physical

Controlled

 

Partition 1

Controlled

 

TCE Tables

Partition 1

Page Tables

 

Memory

For DMA

Proc

Addresses

I/O Load/Store

 

 

I/O Slot

N

 

 

 

 

 

Proc

 

 

 

 

I/O Slot

N

 

 

 

 

 

Virtual

 

 

 

 

 

Proc

 

{

 

Bus

I/O Slot

 

 

 

N

 

 

I/O Slot

 

Real Addresses

Addr N

 

Partition 2

 

 

Addresses

I/O Load/Store

 

 

 

Proc

 

 

 

 

 

 

 

 

0

 

 

 

 

Partition 2

Proc

 

 

 

 

I/O Slot

0

Virtual

 

 

 

 

 

{

 

 

 

Proc

 

Addr 0

 

I/O Slot

 

 

Bus

0

 

 

Real Addresses

 

 

 

 

 

 

 

The Hardware and Hypervisor manage the real to virtual memory

 

 

mapping to provide robust isolation between partitions

 

Figure 3-6 LPAR protection - POWER Hypervisor

3.4 LPAR and Copy Services

In this section we provide some specific information about the Copy Services functions related to the LPAR functionality on the DS8300. An example for this can be seen in Figure 3-7 on page 56.

Chapter 3. Storage system LPARs (Logical partitions) 55

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Image 77
IBM DS8000 manual Lpar and Copy Services, Lpar protection Power Hypervisor