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4405ch02 Architecture and technical overview.fm Draft Document for Review May 28, 2009 1:59 pm
42 IBM Power 570 Technical Overview and Introduction
FC 5637 supports:
Only 10 Gbps SR connectivity
62.5 micron multi-mode fiber cable type
– LC physical connector type
– 33 meters maximum range
2.7.3 IVE subsystem
Figure 2-14 shows a high level-logical diagram of the IVE.
Figure 2-14 IVE system placement
Every POWER6 processor-based server I/O subsystem contains the P5IOC2 chip. It is a
dedicated controller that acts as the primary bridge for all PCI buses and all internal I/O
devices. IVE major hardware components reside inside the P5IOC2 chip.
The IVE design provides a great improvement of latency for short packets. Messaging
applications such as distributed databases require low latency communication for
synchronization and short transactions. The methods used to achieve low latency include:
GX+ bus attachment
Immediate data in descriptors (reduce memory access)
Direct user space per-connection queueing (OS bypass)
Designed for up to 3-times throughput improvement over current 10 Gbps solutions
Provide additional acceleration functions in order to reduce host code path length. These
include header / data split to help with zero-copy stacks
Provide I/O virtualization support so that all partitions of the system can natively take
advantage of the above features
Allows one 10 Gbps port to replace up to 10 dedicated PCI 1 Gbps adapters in a
partitioned system
One of the key design goals of the IVE is the capability to integrate up to two 10 Gbps
Ethernet ports or four 1 Gbps Ethernet ports into the P5IOC2 chip, with the effect of a low
cost Ethernet solution for low-end and mid-range server platforms. Any 10 Gbps, 1 Gbps,
100 Mbps or 10 Mbps speeds share the same I/O pins and do not require additional hardware
3
Category 5 cable, commonly known as Cat 5, is a twisted pair cable type designed for high signal integrity.
Category 5 has been superseded by the Category 5e specification.
POWER6 chip
System
memory
GX interface
IVE
2 x 10 Gbps or
4 x 1 Gbps Ethernet
P5IOC2
- Redpaper 1
- October 2008 3
- First Edition (October 2008) 4
- Contents 5
- Contents v 7
- Trademarks 10
- Become a published author 12
- Comments welcome 13
- General description 15
- 1.1 System specifications 17
- 1.2 Physical package 17
- 1.3 System features 18
- 1.3.2 Memory features 20
- 1.3.4 I/O drawers 22
- Front Rear 24
- 1.4 System racks 26
- Physical specifications 28
- Client responsibilities 28
- 1.4.5 Rack-mounting rules 31
- 1.4.6 Useful rack additions 32
- 1.4.7 OEM rack 33
- Architecture and technical 37
- 2.1 The POWER6 processor 38
- Figure 2-2 POWER6 processor 39
- 2.1.1 Decimal floating point 40
- 2.3 Processor cards 43
- 2.3.2 Processor clock rate 44
- 2.4 Memory subsystem 45
- 2.4.4 OEM memory 48
- 2.5 System buses 49
- 2.5.2 Service processor bus 50
- 2.6 Internal I/O subsystem 51
- 2.6.1 System ports 52
- POWER6 chip 56
- 2.8 PCI adapters 57
- 2.8.1 LAN adapters 58
- 2.8.2 SCSI and SAS adapters 58
- 2.8.3 iSCSI 59
- IBM iSCSI adapters 60
- 2.8.4 Fibre Channel adapter 61
- 2.8.5 Graphic accelerators 61
- 2.9 Internal storage 62
- 2.9.2 Split backplane 63
- 2.9.3 Internal media devices 63
- 2.10 External I/O subsystems 64
- 7311 Model D11 features 65
- PCI-X Bridge 66
- PCI-X slots 67
- SPCN cabling examples 68
- YO Cable 71
- IBM AIX 5L 77
- IBM AIX V6.1 77
- Linux for System p systems 78
- 2.13 Service information 79
- 2.14 System firmware 81
- System firmware download site 82
- 2.14.1 Service processor 84
- System Management Services 86
- Open Firmware 87
- Virtualization 89
- 3.1 POWER Hypervisor 90
- Virtual SCSI 91
- Virtual Ethernet 91
- Virtual (TTY) console 91
- 3.2 Logical partitioning 92
- 3.2.3 Processing mode 93
- Dedicated mode 94
- Shared dedicated mode 94
- Shared mode 94
- 3.3 PowerVM 95
- Shared Ethernet Adapter 96
- Chapter 3. Virtualization 83 97
- 3.3.3 PowerVM Lx86 99
- Supported Operating Systems 100
- Chapter 3. Virtualization 87 101
- Chapter 3. Virtualization 89 103
- 3.4 System Planning Tool 105
- Continuous availability and 107
- Component failure rates 108
- 4.2 Availability 109
- Persistent deallocation 110
- Memory protection 113
- Memory page deallocation 114
- Memory control hierarchy 114
- Memory deconfiguration 115
- L2 Array Protection 116
- 4.2.4 PCI Error Recovery 117
- 4.3 Serviceability 118
- 4.3.1 Detecting errors 119
- Error checkers 120
- Fault Isolation Registers 120
- 4.3.2 Diagnosing problems 121
- Boot-time 122
- Device drivers 122
- 4.3.3 Reporting problems 123
- Extended Error Data (EED) 124
- System dump handling 124
- Customer notify 124
- Call home 124
- Guiding light LEDs 125
- The operator panel 125
- Concurrent maintenance 126
- Blind-swap PCI adapters 126
- Firmware updates 126
- Repair and verify 127
- 4.5 Manageability 130
- Graphics terminal 134
- Example 4-1 135
- 4.6 Cluster solution 136
- Related publications 139
- Online resources 140
- How to get Redbooks 140
- Help from IBM 140
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