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Chapter 3. Storage system LPARs (Logical partitions) 55
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.
Virtual Addresses
Virtual Addresses
Hypervisor-
Controlled
TCE Tables
For DMA
Bus Addresses
Bus Addresses
Bus Addresses
Bus Addresses
Physical
Memory
Partition 1
I/O Slot
I/O Slot
I/O Slot
I/O Slot
Partition 2
I/O Slot
I/O Slot
LPAR Protection in IBM POWER5™ Hardware
Proc
Proc
Proc
Proc
Proc
Partition 1
Partition 2
Virtual Addresses
Virtual Addresses
Hypervisor-
Controlled
Page Tables
N
N
N
0
0
Real Addresses
Real Addresses
{
{
Addr N
Addr N
Addr 0
Addr 0
I/O Load/Store
I/O Load/Store
Proc
The Hardware and Hypervisor manage the real to virtual memory
mapping to provide robust isolation between partitions
0