Technical Overview and Introduction - IBM …

1 CoverIBM Power 720 and 740 Technical Overview and IntroductionAn Ding ChenJames CruickshankCarlo CostantiniVolker HaugCesar Diniz MacielJohn T SchmidtFeatures the POWER7 processor providing advanced multi-core technologyReduced power requirements with power-saving functionsDescribes leading midrange performanceInternational Technical Support OrganizationIBM Power 720 and 740: Technical Overview and IntroductionNovember 2010 REDP-4637-00 Copyright International Business Machines Corporation 2010. All rights to Government Users Restricted Rights -- Use, duplication or disclosure restricted by GSA ADP ScheduleContract with IBM Edition (November 2010)This edition applies to the IBM Power 720 (8202-E4B) and Power 740 (8205-E6B) Power Systems document created or updated on December 3, : Before using this information and the product it supports, read the information in Notices on page vii.

2 Copyright IBM Corp. 2010. All rights .. viiTrademarks .. viiiPreface .. ixThe team who wrote this paper .. ixNow you can become a published author, too! .. xiComments welcome.. xiStay connected to IBM Redbooks publications .. xiiChapter 1. General description .. Systems .. The Power 720 server.. The Power 740 server.. Operating environment .. Physical package .. Tower model .. Rack-mount model .. System features .. Power 720 system features .. Power 740 system features .. Minimum features .. Power supply features .. Processor module features .. Memory features .. Disk and media features .. I/O drawers for Power 720 and Power 740 servers.

3 12X I/O Drawer PCIe .. PCI-X DDR 12X Expansion Drawer .. PCI-X DDR 12X Expansion Drawer .. I/O drawers and usable PCI slot .. EXP 12S SAS Drawer.. EXP 24S SFF Gen2-bay Drawer .. Comparison between models .. Build to Order .. IBM Editions .. Express editions for IBM i .. Express editions for Power 720 .. IBM i Solution Edition for Power 720 and Power 740 .. Model upgrade .. Upgrade considerations .. Features .. Hardware Management Console models .. System racks.. IBM 7014 Model S25 rack.. IBM 7014 Model T00 rack .. IBM 7014 Model T42 rack .. Feature code 0555 rack .. Feature code 0551 rack.

4 Feature code 0553 rack .. 27iv IBM Power 720 and 740: Technical Overview and The ac power distribution unit and rack content .. Rack-mounting rules .. Useful rack additions.. OEM rack .. 32 Chapter 2. Architecture and Technical Overview .. The IBM POWER7 processor .. POWER7 processor Overview .. POWER7 processor core .. Simultaneous multithreading.. Memory access .. Flexible POWER7 processor packaging and offerings .. On-chip L3 cache innovation and Intelligent Cache .. POWER7 processor and Intelligent Energy .. Comparison of the POWER7 and POWER6 processors .. POWER7 processor modules .. Modules and cards .. Power 720 and Power 740 systems.

5 Memory subsystem .. Registered DIMM .. Memory placement rules.. Memory bandwidth .. Capacity on Demand.. Factory deconfiguration of processor cores .. Technical comparison of Power 720 and Power 740 .. System bus .. Internal I/O subsystem .. Slot configuration .. System ports .. Integrated Virtual Ethernet adapter .. IVE and SEA implementations .. IVE subsystem .. PCI adapters .. LAN adapters .. Graphics accelerators .. SCSI and SAS adapters .. PCIe RAID & SSD SAS Adapter .. iSCSI .. Fibre Channel adapters .. Fibre Channel over Ethernet .. InfiniBand Host Channel adapter .. Asynchronous adapter.

6 Internal storage .. RAID support .. External SAS port and split backplane .. Media bays .. External I/O subsystems .. PCI-DDR 12X Expansion Drawer .. 12X I/O Drawer PCIe .. Dividing SFF drive bays in a 12X I/O drawer PCIe .. 12X I/O drawer PCIe and PCI-DDR 12X Expansion Drawer 12X cabling .. 12X I/O Drawer PCIe and PCI-DDR 12X Expansion Drawer SPCN cabling .. External disk subsystems .. 75 Contents EXP 12S SAS Expansion Drawer .. EXP 24S SAS Expansion Drawer .. TotalStorage EXP24 disk drawer and tower .. IBM TotalStorage EXP24 .. IBM System Storage .. Hardware Management Console .. HMC functional Overview .

7 HMC connectivity to the POWER7 processor based systems .. HMC high availability.. HMC code level.. Integrated Virtualization Manager .. IBM Systems Director Management Console (SDMC) .. Operating system support .. Virtual I/O Server .. IBM AIX operating system .. IBM i operating system .. Linux operating system .. Compiler technology .. Energy management .. IBM EnergyScale technology .. Thermal power management device card.. 100 Chapter 3. Virtualization.. POWER Version enhancements .. POWER Hypervisor .. Virtual SCSI .. Virtual Ethernet .. Virtual Fibre Channel .. Virtual (TTY) console .. POWER processor modes.

8 Active Memory Expansion.. PowerVM.. PowerVM editions .. Logical partitions .. Multiple Shared-Processor Pools .. Virtual I/O Server .. PowerVM Lx86 .. PowerVM Live Partition Mobility .. Active Memory Sharing .. NPIV .. Operating System support for PowerVM.. POWER7-specific Linux programming support.. System Planning Tool .. 128 Chapter 4. Continuous availability and manageability .. Reliability .. Designed for reliability.. Placement of components .. Redundant components and concurrent repair.. Availability .. Partition availability priority .. General detection and deallocation of failing components.

9 Memory protection .. 136vi IBM Power 720 and 740: Technical Overview and Cache protection .. Special Uncorrectable Error handling .. PCI extended error handling .. Serviceability .. Detecting .. Diagnosing .. Reporting .. Notifying .. Locating and servicing .. Manageability .. Service user interfaces .. IBM Power Systems firmware maintenance .. Electronic Services and Electronic Service Agent .. Operating system support for RAS features .. 164 Related publications .. 167 IBM Redbooks .. 167 Other publications .. 167 Online resources .. 168 How to get Redbooks publications .. 169 Help from IBM .. 169 Copyright IBM Corp.

10 2010. All rights information was developed for products and services offered in the IBM may not offer the products, services, or features discussed in this document in other countries. Consult your local IBM representative for information on the products and services currently available in your area. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any IBM intellectual property right may be used instead. However, it is the user's responsibility to evaluate and verify the operation of any non-IBM product, program, or service.