IBM Power 720 Overview - Notices

Other manuals for Power 720: Overview

Summary of Power 720

  • Page 1

    Ibm.Com/redbooks red paper front cover ibm power 720 and 740 technical overview and introduction james cruickshank sorin hanganu volker haug stephen lutz john t schmidt marco vallone features 8202-e4d and 8205-e6d servers based on power7+ processor technology describes the support of 20 partitions p...

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    International technical support organization ibm power 720 and 740 technical overview and introduction may 2013 redp-4984-00

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    © copyright international business machines corporation 2013. All rights reserved. Note to u.S. Government users restricted rights -- use, duplication or disclosure restricted by gsa adp schedule contract with ibm corp. First edition (may 2013) this edition applies to the ibm power 720 (8202-e4d) an...

  • Page 5: Contents

    © copyright ibm corp. 2013. All rights reserved. Iii contents notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vii trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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    Iv ibm power 720 and 740 technical overview and introduction 1.14.6 feature code 0553 rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 1.14.7 the ac power distribution unit and rack content . . . . . . . . . . . . . . . . . . . . . . . . 31 1.14.8 rack-mo...

  • Page 7

    Contents v 2.11 hardware management console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 2.11.1 hmc connectivity to the power7+ processor-based systems . . . . . . . . . . . . 101 2.11.2 high availability hmc configuration . . . . . . . . . . . . . . . . . . . ....

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    Vi ibm power 720 and 740 technical overview and introduction 4.4 manageability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 4.4.1 service user interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

  • Page 9: Notices

    © copyright ibm corp. 2013. All rights reserved. Vii notices this information was developed for products and services offered in the u.S.A. Ibm may not offer the products, services, or features discussed in this document in other countries. Consult your local ibm representative for information on th...

  • Page 10: Trademarks

    Viii ibm power 720 and 740 technical overview and introduction trademarks ibm, the ibm logo, and ibm.Com are trademarks or registered trademarks of international business machines corporation in the united states, other countries, or both. These and other ibm trademarked terms are marked on their fi...

  • Page 11: Preface

    © copyright ibm corp. 2013. All rights reserved. Ix preface this ibm® redpaper™ publication is a comprehensive guide covering the ibm power 720 (8202-e4d) and power 740 (8205-e6d) servers that support ibm aix®, ibm i, and linux operating systems. The goal of this paper is to introduce the innovative...

  • Page 12

    X ibm power 720 and 740 technical overview and introduction sorin hanganu is an accredited product services professional. He has eight years of experience working on power systems and ibm i products. He is an ibm certified solution expert for ibm dynamic infrastructure® and also an ibm certified sys...

  • Page 13: Comments Welcome

    Preface xi now you can become a published author, too! Here’s an opportunity to spotlight your skills, grow your career, and become a published author—all at the same time! Join an itso residency project and help write a book in your area of expertise, while honing your experience using leading-edge...

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    Xii ibm power 720 and 740 technical overview and introduction.

  • Page 15: General Description

    © copyright ibm corp. 2013. All rights reserved. 1 chapter 1. General description the ibm power 720 (8202-e4d) and ibm power 740 (8205-e6d) servers use the latest power7+ processor technology that delivers unprecedented performance, scalability, reliability, and manageability for demanding commercia...

  • Page 16: 1.1  Systems Overview

    2 ibm power 720 and 740 technical overview and introduction 1.1 systems overview you can find detailed information about the power 720 and power 740 systems within the following sections. 1.1.1 the power 720 server the power 720 offers a choice of a 4-core, 6-core, or 8-core configuration running at...

  • Page 17

    Chapter 1. General description 3 the capacity backup (cbu) designation, offered for the power 720 system, can help meet your requirements for a second system to use for backup, high availability, and disaster recovery. It enables you to temporarily transfer ibm i processor license entitlements and i...

  • Page 18

    4 ibm power 720 and 740 technical overview and introduction the power 740 includes five pci express (pcie) gen2 full-height profile slots for installing adapters in the system. Optionally, an additional riser card with four pcie gen2 low-profile slots can be installed in a gx++ slot available on the...

  • Page 19: 1.2  Operating Environment

    Chapter 1. General description 5 1.2 operating environment table 1-1 lists the operating environment specifications for the servers. Table 1-1 operating environment for power 720 and power 740 power 720 and power 740 operating environment description operating non-operating power 720 power 740 power...

  • Page 20: 1.3  Physical Package

    6 ibm power 720 and 740 technical overview and introduction 1.3 physical package the power 720 is available in both rack-mount and tower form factors. The power 740 is available in rack-mount form factor only. The major physical attributes for each are discussed in the following sections. 1.3.1 towe...

  • Page 21: 1.4  System Features

    Chapter 1. General description 7 table 1-5 shows the physical dimensions of the rack-mount models. Table 1-5 physical dimensions of the power 720 and power 740 rack-mount chassis figure 1-3 shows the rear view of a power 740 with the optional pcie expansion. Figure 1-3 rear view of a rack-mount powe...

  • Page 22

    8 ibm power 720 and 740 technical overview and introduction 1.4.1 power 720 system features the standard features are as follows: tower or rack-mount (4u) chassis configuration of 4-core, 6-core, or 8-core, with one 3.6 ghz processor module up to 512 gb of 1066 mhz ddr3 ecc memory an integrated sas ...

  • Page 23

    Chapter 1. General description 9 two gx++ slots integrated: – service processor – energyscale technology – hot-swap and redundant cooling – three usb ports and two system ports – two hmc ports and two spcn ports redundant, 1925 watt ac hot-swap power supplies 1.4.3 minimum features each system has a...

  • Page 24

    10 ibm power 720 and 740 technical overview and introduction table 1-6 lists the available processor features for the power 720. Table 1-6 processor features for the power 720 the power 740 requires that one or two processor modules be installed. If two processor modules are installed, they must be ...

  • Page 25

    Chapter 1. General description 11 1.5 disk and media features the power 720 and power 740 systems feature an integrated sas controller, offering raid 0, 1, and 10 support with two storage backplane options: the fc 5618 option supports up to six sff sas hdds or ssds, a sata dvd, and a half-high tape ...

  • Page 26

    12 ibm power 720 and 740 technical overview and introduction table 1-11 shows the available disk drive feature codes for the installation in an i/o enclosure external to a power 720 and power 740 server. Table 1-11 disk drive used in i/o drawer feature code description 1790 600 gb 10k rpm sas sff di...

  • Page 27

    Chapter 1. General description 13 certain adapters are available for order in large quantities. Table 1-12 lists the gen2 disk drives in a quantity of 150. Table 1-12 available disk drives in quantity of 150 feature code description 1817 quantity 150 of fc 1962 (571 gb 10k rpm sas sff-2 disk drive) ...

  • Page 28

    14 ibm power 720 and 740 technical overview and introduction if you need more disks than are available with the internal disk bays, you can attach additional external disk subsystems. Scsi disks are not supported in the power 720 and power 740 disk bays. However, if you want to use scsi disks, you c...

  • Page 29

    Chapter 1. General description 15 table 1-13 lists the available media device feature codes for power 720 and 740. Table 1-13 media device feature code description for power 720 and 740 1.6 i/o drawers for power 720 and power 740 servers the power 720 and power 740 servers support the following 12x ...

  • Page 30

    16 ibm power 720 and 740 technical overview and introduction 1.6.1 12x i/o drawer pcie expansion units the 12x i/o drawer pcie, sff disk (fc 5802) and 12x i/o drawer pcie, no disk (fc 5877) expansion units are 19-inch, rack-mountable, i/o expansion drawers that are designed to be attached to the sys...

  • Page 31

    Chapter 1. General description 17 figure 1-5 shows the front view of the pci-x ddr 12x expansion drawer. Figure 1-5 pci-x ddr 12x expansion drawer (fc 5796) and 7314-g30 front view the i/o drawer has the following attributes: one or two fc 5796 drawers are held by the 4 eia unit rack-mount enclosure...

  • Page 32

    18 ibm power 720 and 740 technical overview and introduction table 1-15 summarizes the maximum number of disk-only i/o drawers supported. Table 1-15 maximum number of disk-only i/o drawers supported 1.6.4 exp30 ultra ssd i/o drawer the enhanced exp30 ultra ssd i/o drawer (fc edr1) provides the power...

  • Page 33

    Chapter 1. General description 19 the sff bays of the exp24s are different from the sff bays of the power7 and power7+ system units or 12x pcie i/o drawers (fc 5802 and fc 5803). The exp24s uses gen2 or sff-2 sas drives that physically do not fit in the gen1 or sff-1 bays of the power7 and power7+ s...

  • Page 34

    20 ibm power 720 and 740 technical overview and introduction 1.7 comparison between models table 1-16 compares the power 720 and power 740 models. Table 1-16 comparison between models characteristic power 720 (8202-e4d) power 740 (8205-e6d) power7+ architecture 4-core 3.612 ghz 6-core 3.612 ghz 8 co...

  • Page 35: 1.8  Build to Order

    Chapter 1. General description 21 on both systems, each processor core has access to 256 kb of l2 cache and 10 mb of l3 cache. Each processor on a single-chip module (scm) connects to eight ddr3 memory dimm slots; a total of 16 dimm slots per scm. Each memory module is a 1066 mhz dimm, and is delive...

  • Page 36

    22 ibm power 720 and 740 technical overview and introduction with an ibm edition for the power 740, processor activations for the processor card options are as follows: one or two 4.2 ghz 6-core processor modules (fc epcp) with 3 x fc epdp (chargeable) and 3 x fc epep (no-charge) for each processor ...

  • Page 37

    Chapter 1. General description 23 1.9.1 express editions for ibm i express editions for ibm i enable initial ease of ordering and feature a lower price than if you ordered them a la carte or build-to-order. Taking advantage of the edition is the only way you can use no-charge features for processor ...

  • Page 38

    24 ibm power 720 and 740 technical overview and introduction to use the no-charge features on your initial order of 6-core and 8-core power 720 express editions (fc 0779), you must order the following features: 3.6 ghz 6-core processor module (fc epcl) or 3.6 ghz 8-core processor module (fc epcm). I...

  • Page 39: 1.12  Model Upgrade

    Chapter 1. General description 25 the power 720 ibm i solution editions fc 4928 supports the 4-core configuration and feature code fc 4927 supports both 6-core and 8-core configurations. The power 720 solution editions includes no-charge features resulting in a lower initial list price for qualifyin...

  • Page 40

    26 ibm power 720 and 740 technical overview and introduction 1.12.1 upgrade considerations feature conversions are set up for the ibm power6 and ibm power6+ processors to power7+ processors. Table 1-19 shows the supported conversions for the processors. Table 1-19 processor conversions 1.12.2 featur...

  • Page 41

    Chapter 1. General description 27 1.13 server and virtualization management if you want to implement partitions, a hardware management console (hmc) or the integrated virtualization manager (ivm) is required to manage the power 720 and power 740 servers. Multiple power6 and power7 processor-based se...

  • Page 42: 1.14  System Racks

    28 ibm power 720 and 740 technical overview and introduction the hmc v7r7.7.0 (sp1) contains the following features: support for managing ibm power 720 and power 740 support for powervm functions such as new hmc gui interface for vios install improved transition from ivm to hmc management support fo...

  • Page 43

    Chapter 1. General description 29 the s25 racks do not have vertical mounting space that will accommodate fc 7188 pdus. All pdus that are required for application in these racks must be installed horizontally in the rear of the rack. Each horizontally mounted pdu occupies 1u of space in the rack, an...

  • Page 44

    30 ibm power 720 and 740 technical overview and introduction 1.14.3 ibm 7014 model t42 rack the 2.0-meter (79.3-inch) model t42 addresses the client requirement for a tall enclosure to house the maximum amount of equipment in the smallest possible floor space. The following features are for the mode...

  • Page 45

    Chapter 1. General description 31 the high-end appearance front door (fc 6250) provides a front rack door with a field-installed power 780 logo and is designed to be used when the rack contains a power 780 system. The door is not acoustic. Its depth is approximately 90 mm (3.5 in). The fc erg7 provi...

  • Page 46

    32 ibm power 720 and 740 technical overview and introduction the intelligent pdu+ (fc 5889 and fc 7109) is identical to fc 9188 and fc 7188 pdus but is equipped with one ethernet port, one console serial port, and one rs232 serial port for power monitoring. The pdus have 12 client-usable iec 320-c13...

  • Page 47

    Chapter 1. General description 33 each power cord provides unique design characteristics for the specific power requirements. To match new power requirements and save previous investments, these power cords can be requested with an initial order of the rack or with a later upgrade of the rack featur...

  • Page 48

    34 ibm power 720 and 740 technical overview and introduction 1.14.8 rack-mounting rules consider the following primary rules when you mount the system into a rack: the system is designed to be placed at any location in the rack. For rack stability, start filling a rack from the bottom. Any remaining...

  • Page 49

    Chapter 1. General description 35 table 1-23 lists the supported tape, rdx, or dvd drives for ibm power systems servers in the 7216-1u2. Table 1-23 supported feature codes for 7216-1u2 to attach a 7216 multi-media enclosure to the power 720 and power 740, consider the following cabling procedures: a...

  • Page 50

    36 ibm power 720 and 740 technical overview and introduction the two drive slots of the 7216 enclosure can hold the following drive combinations: one tape drive (dat160 sas or lto ultrium 5 half-high sas) with second bay empty two tape drives (dat160 sas or lto ultrium 5 half-high sas) in any combin...

  • Page 51

    Chapter 1. General description 37 table 1-24 lists the supported options for ibm power servers in the 7226-1u3. Table 1-24 supported feature codes for 7226-1u3 the options are as follows: dat160 (80 gb) tape drives: with sas or usb interface options and a data transfer rate of up to 24 mbps, the dat...

  • Page 52

    38 ibm power 720 and 740 technical overview and introduction media that are used in lto ultrium 5 half-high 1.5 tb tape drives are compatible with half high lto5 tape drives installed in the ibm ts2250 and ts2350 external tape drives, ibm lto5 tape libraries, and half high lto5 tape drives installed...

  • Page 53

    Chapter 1. General description 39 1.14.10 oem rack the system can be installed in a suitable oem rack, if the rack conforms to the eia-310-d standard for 19-inch racks. This standard is published by the electrical industries alliance. For details, see the ibm power systems hardware information cente...

  • Page 54

    40 ibm power 720 and 740 technical overview and introduction the vertical distance between the mounting holes must consist of sets of three holes spaced (from bottom to top) 15.9 mm (0.625 in.), 15.9 mm (0.625 in.), and 12.67 mm (0.5 in.) on center, making each three-hole set of vertical hole spacin...

  • Page 55: Architecture and Technical

    © copyright ibm corp. 2013. All rights reserved. 41 chapter 2. Architecture and technical overview this chapter describes the overall system architecture for the ibm power 720 and power 740, represented by figure 2-1 on page 42 and figure 2-2 on page 43. The bandwidth numbers that are provided throu...

  • Page 56

    42 ibm power 720 and 740 technical overview and introduction figure 2-1 shows the logical system diagram for the power 720. Figure 2-1 ibm power 720 logical system diagram power7+ chip 1 4-6-8 cores p7-ioc buffer buffer dimm #1 dimm #3 dimm #6 dimm #8 memory card #1 memory card #2 pcie gen2 x8 (shor...

  • Page 57

    Chapter 2. Architecture and technical overview 43 figure 2-2 shows the logical system diagram for the power 740. Figure 2-2 ibm power 740 logical system diagram power7+ chip 2 6 or 8 cores power7+ chip 1 6 or 8 cores p7-ioc buffer buffer dimm #1 dimm #3 dimm #6 dimm #8 memory card #1 memory card #2 ...

  • Page 58

    44 ibm power 720 and 740 technical overview and introduction 2.1 the ibm power7+ processor the ibm power7+ processor represents a leap forward in technology achievement and associated computing capability. The multi-core architecture of the power7+ processor is matched with innovation across a wide ...

  • Page 59

    Chapter 2. Architecture and technical overview 45 figure 2-3 shows the power7+ processor die layout, with the major areas identified: processor cores l2 cache l3 cache and chip interconnection simultaneous multiprocessing links memory controllers. I/o links figure 2-3 power7+ processor die with key ...

  • Page 60

    46 ibm power 720 and 740 technical overview and introduction table 2-1 summarizes the technology characteristics of the power7+ processor. Table 2-1 summary of power7+ processor technology 2.1.2 power7+ processor core each power7+ processor core implements aggressive out-of-order (ooo) instruction e...

  • Page 61

    Chapter 2. Architecture and technical overview 47 2.1.3 simultaneous multithreading power7+ processors support smt1, smt2, and smt4 modes to enable up to four instruction threads to execute simultaneously in each power7+ processor core. The processor supports the following instruction thread executi...

  • Page 62: Power7+

    48 ibm power 720 and 740 technical overview and introduction 2.1.4 memory access each power7+ processor chips has one memory controller which uses four memory channels. Each memory channel operates at 1066 mhz connects to four dimms. In the power 720 server, each channel can address up to 128 gb. Th...

  • Page 63

    Chapter 2. Architecture and technical overview 49 the on-chip l3 cache is organized into separate areas with differing latency characteristics. Each processor core is associated with a fast local region of l3 cache (flr-l3) but also has access to other l3 cache regions as shared l3 cache. Additional...

  • Page 64

    50 ibm power 720 and 740 technical overview and introduction small physical footprint the performance of edram when implemented on-chip is similar to conventional sram but requires far less physical space. Ibm on-chip edram uses only one-third of the components used in conventional sram, which has a...

  • Page 65

    Chapter 2. Architecture and technical overview 51 2.2 power7+ processor modules the power 720 and power 740 server chassis house power7+ processor single chip modules (scms). Each scm can access eight ddr3 memory dimm slots. The power 720 server houses one processor module offering 4-core 3.6 ghz, 6...

  • Page 66

    52 ibm power 720 and 740 technical overview and introduction 2.2.2 power 720 and power 740 systems power 720 and power 740 systems support power7+ processors with various core-counts. Table 2-3 summarizes the power7 processor options for the power 720 system. Table 2-3 summary of power7+ processor o...

  • Page 67: 2.3  Memory Subsystem

    Chapter 2. Architecture and technical overview 53 2.3 memory subsystem the power 720 is a one-socket system that supports a single power7+ processor module. The server supports a maximum of 16 ddr3 dimm slots, with eight dimm slots included in the base configuration and eight dimm slots available wi...

  • Page 68: Power7+

    54 ibm power 720 and 740 technical overview and introduction table 2-6 shows the maximum memory that is supported on the power 740. Table 2-6 power 740 maximum memory figure 2-8 shows the logical memory dimm topology for the power7 processor card. Figure 2-8 memory dimm topology for the power 720 or...

  • Page 69

    Chapter 2. Architecture and technical overview 55 figure 2-9 shows memory location codes and how the memory riser cards are divided in quads, each quad being attached to a memory buffer. Figure 2-9 memory riser card for power 720 and power 740 systems the memory-placement rules are as follows: the b...

  • Page 70

    56 ibm power 720 and 740 technical overview and introduction figure 2-10 through figure 2-14 on page 59 show the various installation orders of the dimms that use one, two, three or four memory riser cards. Figure 2-10 memory dimm installation sequence for one processor with two riser cards pair 2 p...

  • Page 71

    Chapter 2. Architecture and technical overview 57 figure 2-11 memory dimm installation sequence for one processor with two riser cards pair 3 pair 7 pair 3 pair 7 pair 5 pair 1 pair 5 pair 1 memory card #2 – p1-c17 pair 4 pair 8 pair 4 pair 8 pair 6 pair 2 pair 6 pair 2 power7+ p1-c11 p1-c17-c1 p1-c...

  • Page 72

    58 ibm power 720 and 740 technical overview and introduction figure 2-12 memory dimm installation sequence for two processors with two riser cards figure 2-13 memory dimm installation sequence for two processors with three riser cards power7+ p1-c10 pair 3 pair 7 pair 3 pair 7 pair 5 pair 1 pair 5 p...

  • Page 73

    Chapter 2. Architecture and technical overview 59 figure 2-14 memory dimm installation sequence for two processors with four riser cards 2.3.3 memory bandwidth the power7+ processor has exceptional cache, memory, and interconnect bandwidths. Table 2-7 shows the maximum bandwidth estimates for the po...

  • Page 74

    60 ibm power 720 and 740 technical overview and introduction the bandwidth figures for the caches are calculated as follows: l1 cache: in one clock cycle, two 16-byte load operation and one 16-byte store operation can be accomplished. By using a 4.284 ghz processor card, the formula is as follows: (...

  • Page 75: 2.5  System Bus

    Chapter 2. Architecture and technical overview 61 2.5 system bus this section provides additional information about the internal buses. The power 720 and power 740 systems have internal i/o connectivity through pcie slots, and also external connectivity through infiniband adapters. The internal i/o ...

  • Page 76

    62 ibm power 720 and 740 technical overview and introduction an optional pcie adapter riser card (fc 5685) adds four short, 8x pcie gen2 low-profile slots and is installed in a gx++ slot 1. All pcie slots are eeh, but they are not hot-pluggable. 2.6.1 slot configuration table 2-9 describes the slot ...

  • Page 77: 2.7  Pci Adapters

    Chapter 2. Architecture and technical overview 63 2.7 pci adapters this section covers the types and functionalities of the pci cards supported with the ibm power 720 and power 740 systems. 2.7.1 pcie gen1 and gen2 peripheral component interconnect express (pcie) uses a serial interface and allows f...

  • Page 78

    64 ibm power 720 and 740 technical overview and introduction 2.7.2 pcie adapter form factors ibm power7 and power7+ processor-based servers are able to support two form factors of pcie adapters: pcie low-profile (lp) cards, which are used with the power 710 and power 730 pcie slots. Low-profile adap...

  • Page 79

    Chapter 2. Architecture and technical overview 65 figure 2-15 shows the pcie adapter form factors. Figure 2-15 pcie adapter form factors many of the full-height card features are available in low-profile format. For example, the fc 5273 8 gb dual-port fibre channel adapter is the low-profile adapter...

  • Page 80

    66 ibm power 720 and 740 technical overview and introduction before adding or rearranging adapters, you can use the system planning tool to validate the new adapter configuration. See the ibm system planning tool website: http://www.Ibm.Com/systems/support/tools/systemplanningtool/ if you are instal...

  • Page 81

    Chapter 2. Architecture and technical overview 67 5288 5288 pcie2 2-port 10 gb ethernet sfp+ copper adapter pcie full height, short aix, linux 5706 5706 ibm 2-port 10/100/1000 base-tx ethernet pci-x adapter pci-x full height, short aix, ibm i, linux 5717 5271 4-port 10/100/1000 base-tx pci express a...

  • Page 82

    68 ibm power 720 and 740 technical overview and introduction 2.7.4 graphics accelerator adapters table 2-12 lists the available graphics accelerator adapters. They can be configured to operate in either 8-bit or 24-bit color modes. These adapters support both analog and digital monitors, and they ar...

  • Page 83

    Chapter 2. Architecture and technical overview 69 for detailed information about sas cabling of external storage, see the ibm power systems hardware information center: http://publib.Boulder.Ibm.Com/infocenter/powersys/v3r1m5/index.Jsp table 2-14 compares features of parallel scsi and sas. Table 2-1...

  • Page 84

    70 ibm power 720 and 740 technical overview and introduction figure 2-16 shows the double-wide adapter and ssd modules. Figure 2-16 the pcie raid and ssd sas adapter and 177 gb ssd modules to connect to external scsi or sas devices, the adapters listed in table 2-15 are available. Table 2-15 availab...

  • Page 85

    Chapter 2. Architecture and technical overview 71 2.7.7 iscsi adapters the iscsi adapters in power systems provide the advantage of increased bandwidth through hardware support of the iscsi protocol. The 1 gigabit iscsi toe (tcp/ip offload engine) pci-x adapters support hardware encapsulation of scs...

  • Page 86

    72 ibm power 720 and 740 technical overview and introduction 2.7.9 fibre channel over ethernet fibre channel over ethernet (fcoe) allows for the convergence of fibre channel and ethernet traffic onto a single adapter and converged fabric. Figure 2-17 compares existing fibre channel and network conne...

  • Page 87

    Chapter 2. Architecture and technical overview 73 for more information about fcoe, see an introduction to fibre channel over ethernet, and fibre channel over convergence enhanced ethernet, redp-4493. 2.7.10 infiniband host channel adapter the infiniband architecture (iba) is an industry-standard arc...

  • Page 88

    74 ibm power 720 and 740 technical overview and introduction table 2-19 lists the available infiniband adapters. Table 2-19 available infiniband adapters for more information about infiniband, see hpc clusters using infiniband on ibm power systems servers, sg24-7767. 2.7.11 asynchronous and usb adap...

  • Page 89: 2.8  Internal Storage

    Chapter 2. Architecture and technical overview 75 support for smart card applications using europay, mastercard and visa cryptographic key generation and random number generation pin processing: generation, verification, translation encrypt/decrypt using aes and des keys see the following site for t...

  • Page 90

    76 ibm power 720 and 740 technical overview and introduction figure 2-18 details an internal topology overview for the fc 5618 backplane. Figure 2-18 internal topology overview for fc 5618 dasd backplane figure 2-19 shows an internal topology overview for the fc ej01 backplane. Figure 2-19 fc ej01 d...

  • Page 91

    Chapter 2. Architecture and technical overview 77 2.8.1 raid support there are multiple protection options for hdd/ssd drives in the power 720 and power 740 systems, whether they are contained in the sas sff bays in the system unit, in a 12x attached i/o drawer, or drives in disk-only i/o drawers. A...

  • Page 92

    78 ibm power 720 and 740 technical overview and introduction supported raid functions base hardware supports raid 0, 1, and 10. When additional features are configured, power 720 and power 740 support hardware raid 0, 1, 5, 6, and 10: raid 0 provides striping for performance, but does not offer any ...

  • Page 93

    Chapter 2. Architecture and technical overview 79 figure 2-20 details the split backplane. Figure 2-20 internal topology overview for fc 5618 backplane with split backplane feature fc ej02 2.8.3 media bays the power 720 and power 740 each offer a slim media bay to support a slim sata dvd device. Dir...

  • Page 94

    80 ibm power 720 and 740 technical overview and introduction table 2-23 provides an overview of the capabilities of the supported i/o drawers. Table 2-23 i/o drawer capabilities 2.9.1 pci-ddr 12x expansion drawer the pci-ddr 12x expansion drawer (fc 5796) is a 4u (eia units) drawer and mounts in a 1...

  • Page 95

    Chapter 2. Architecture and technical overview 81 figure 2-21 shows the back view of the expansion unit. Figure 2-21 pci-x ddr 12x expansion drawer rear side 2.9.2 12x i/o drawer pcie the 12x i/o drawer pcie, sff disk (fc 5802) is a 19-inch i/o and storage drawer. It provides a 4u (eia units) drawer...

  • Page 96

    82 ibm power 720 and 740 technical overview and introduction a minimum configuration of two 12x ddr cables, two ac power cables, and two spcn cables is required to ensure proper redundancy. The drawer attaches to the system unit with a 12x adapter in a gx++ slot through 12x ddr cables that are avail...

  • Page 97

    Chapter 2. Architecture and technical overview 83 figure 2-23 shows the rear view of the 12x i/o drawer pcie (fc 5802). Figure 2-23 rear view of the 12x i/o drawer pcie 2.9.3 12x i/o drawer pcie configuration and cabling rules the following section gives you detailed information about the disk drive...

  • Page 98

    84 ibm power 720 and 740 technical overview and introduction figure 2-24 indicates the mode switch in the rear view of the fc 5802 i/o drawer and shows the configuration rules of disk bay partitioning in the pcie 12x i/o drawer. There is no specific feature code for mode switch setting. Figure 2-24 ...

  • Page 99

    Chapter 2. Architecture and technical overview 85 figure 2-26 fc 5802 i/o drawer rear view location codes table 2-24 lists the sas ports associated to the disk bays with the mode selector switch 4. Other mode selection options are also available. Table 2-24 sas connection mappings for more detailed ...

  • Page 100

    86 ibm power 720 and 740 technical overview and introduction general rules for 12x io drawer configuration if you have two processor cards, spread the i/o drawers across two busses for better performance. Figure 2-27 shows configuration examples to attach 12x i/o drawers to a power 720. Other option...

  • Page 101

    Chapter 2. Architecture and technical overview 87 the configuration rules are the same for the power 740. However, because the power 740 can have up to two gx++ slots, various options available to attach 12x i/o drawers are available. Figure 2-28 shows four options, but more are available. Figure 2-...

  • Page 102

    88 ibm power 720 and 740 technical overview and introduction figure 2-29 shows an example of the typical 12x i/o loop port connections for a power 720 and power 740 with one loop and using the fc 5796 expansion drawer. Figure 2-29 typical 12x i/o loop port connections various cables are available fo...

  • Page 103

    Chapter 2. Architecture and technical overview 89 figure 2-30 spcn cabling example various spcn cables are available. Table 2-26 shows the available spcn cable options to satisfy various length requirements. Table 2-26 spcn cables 2.10 external disk subsystems this section describes the external dis...

  • Page 104

    90 ibm power 720 and 740 technical overview and introduction probably be slowed until the controller pairing is established again. This ultra-dense ssd option is similar to the ultra drawer (fc 5888), which remains available to b and c-models of the power 720, and power 740. Figure 2-31 shows the pi...

  • Page 105

    Chapter 2. Architecture and technical overview 91 table 2-28 lists the quantity of exp30 drawers that can be attached to the power 720 and power 740 running separate operating systems. Table 2-28 quantity of exp30 attachments disks the 387 gb ssd (fc es02 and fc es04) used in the exp30 ultra ssd i/o...

  • Page 106

    92 ibm power 720 and 740 technical overview and introduction when connecting one drawer to the server, the suggested approach is to have both fc ej03 ports connected to the drawer for redundancy, as shown on figure 2-32. Figure 2-32 connection between one or two fc ej03 cards and a single fc edr1 dr...

  • Page 107

    Chapter 2. Architecture and technical overview 93 if the server needs to be connected to two fc edr1, connect each controller to a separate gx++ adapter, as shown on figure figure 2-33. Figure 2-33 connection between two fc ej03 and two exp30 drawers exp30 drawer connection to exp24s drawer two exp2...

  • Page 108

    94 ibm power 720 and 740 technical overview and introduction figure 2-34 shows two exp24s drawers connected to one exp30 drawer. Figure 2-34 fc edr1 drawer connection to two fc 5887 drawers more details about the exp30 ultra ssd i/o drawer are available at the following website: http://pic.Dhe.Ibm.C...

  • Page 109

    Chapter 2. Architecture and technical overview 95 in addition the exp24s drawer can also be connected to the integrated sas controllers in the exp30 ultra ssd i/o drawer. The sas controller and the exp24s sas ports are attached using the appropriate sas y or x or ex cables. The sas disk drives conta...

  • Page 110

    96 ibm power 720 and 740 technical overview and introduction figure 2-35 exp24s sff gen2-bay drawer rear connectors an exp24s drawer in mode 4 can be attached to two or four sas controllers and provide a great deal of configuration flexibility. An exp24s in mode 2 has similar flexibility. Up to 24 h...

  • Page 111

    Chapter 2. Architecture and technical overview 97 for details about sas cabling, see the serial-attached scsi cable planning documentation: http://pic.Dhe.Ibm.Com/infocenter/powersys/v3r1m5/index.Jsp?Topic=/p7had/p7hadsasc abling.Htm 2.10.4 ibm system storage the ibm system storage disk systems prod...

  • Page 112

    98 ibm power 720 and 740 technical overview and introduction and nondisruptive migration of data from existing storage. They can also virtualize and reuse existing disk systems offering a greater potential return on investment. Storwize v7000 and v7000 unified now support integrated ibm real-time co...

  • Page 113

    Chapter 2. Architecture and technical overview 99 including guided repair and verify, concurrent firmware updates for managed systems, and around-the-clock error reporting through ibm electronic service agent™ for faster support. The hmc management features help to improve server utilization, simpli...

  • Page 114

    100 ibm power 720 and 740 technical overview and introduction need to be updated. You should upgrade the support level of the hmc to be consistent with the support that is provided on the servers to which it is attached. In a dual hmc configuration, both systems must be at the same version and relea...

  • Page 115

    Chapter 2. Architecture and technical overview 101 2.11.1 hmc connectivity to the power7+ processor-based systems power7+ processor technology-based servers and their predecessor systems that are managed by an hmc require ethernet connectivity between the hmc and the server’s service processor. In a...

  • Page 116

    102 ibm power 720 and 740 technical overview and introduction 2.11.2 high availability hmc configuration the hmc is an important hardware component. When in operation, power systems servers and their hosted partitions can continue to operate when no hmc is available. However, in such conditions, cer...

  • Page 117

    Chapter 2. Architecture and technical overview 103 figure 2-37 shows one possible highly available hmc configuration that is managing two servers. Each hmc is connected to one fsp port of all managed servers. Figure 2-37 highly available hmc and network architecture for simplicity, only hardware man...

  • Page 118

    104 ibm power 720 and 740 technical overview and introduction for details about the software available on ibm power systems, visit the ibm power systems software™ website: http://www.Ibm.Com/systems/power/software/index.Html 2.12.1 ibm aix operating system the following sections describe various lev...

  • Page 119

    Chapter 2. Architecture and technical overview 105 a partition that uses aix 7.1 can run in power6, power6+, or power7 mode. The best approach is to run the partition in power7 mode to allow exploitation of new hardware capabilities such as smt4 and active memory expansion. 2.12.2 ibm i operating sy...

  • Page 120

    106 ibm power 720 and 740 technical overview and introduction information about features and external devices that are supported by linux is at the following website: http://www.Ibm.Com/systems/p/os/linux/index.Html be sure to update systems with the latest linux for power service and productivity t...

  • Page 121

    Chapter 2. Architecture and technical overview 107 xl c, xl c/c++, and xl fortran features that are introduced to use the latest power7+ processor include the following items: vector unit and vector scalar extension (vsx) instruction set to efficiently manipulate vector operations in your applicatio...

  • Page 122: 2.13  Energy Management

    108 ibm power 720 and 740 technical overview and introduction 2.13 energy management the power 720 and 740 servers are designed with features to help clients become more energy efficient. The ibm systems director active energy manager uses energyscale technology, enabling advanced energy management ...

  • Page 123

    Chapter 2. Architecture and technical overview 109 are inversely proportional for most workloads, implying that as the frequency of a processor increases, its utilization decreases, given a constant workload. Dynamic power saver mode takes advantage of this relationship to detect opportunities to sa...

  • Page 124

    110 ibm power 720 and 740 technical overview and introduction power capping power capping enforces a user-specified limit on power usage. Power capping is not a power-saving mechanism. It enforces power caps by throttling the processors in the system, degrading performance significantly. The idea of...

  • Page 125

    Chapter 2. Architecture and technical overview 111 the power 720 and the power 740 comply to the ashrae class a3 standard and can support up to 35 degrees c and 1825 meters at the rated performance. However, they can operate in a degraded performance above 35 degrees c up to 40 degrees c, or higher,...

  • Page 126

    112 ibm power 720 and 740 technical overview and introduction savings mode of its hosting server. By default, all partitions with dedicated processing units, and the system processor pool, are set to the inherit host setting. On power7 and power7+ processor-based systems, several energyscale technol...

  • Page 127

    Chapter 2. Architecture and technical overview 113 2.13.3 energy consumption estimation often, for power systems, various energy-related values are important: maximum power consumption and power source loading values these values are important for site planning and are in the hardware information ce...

  • Page 128

    114 ibm power 720 and 740 technical overview and introduction.

  • Page 129: Virtualization

    © copyright ibm corp. 2013. All rights reserved. 115 chapter 3. Virtualization as you look for ways to maximize the return on your it infrastructure investments, consolidating workloads becomes an attractive proposition. Ibm power systems combined with powervm technology offer key capabilities that ...

  • Page 130: 3.1  Power Hypervisor

    116 ibm power 720 and 740 technical overview and introduction 3.1 power hypervisor combined with features that are designed into the power7+ processors, the ibm power hypervisor delivers functions that enable other system technologies, including logical partitioning technology, virtualized processor...

  • Page 131

    Chapter 3. Virtualization 117 virtual scsi the power hypervisor provides a virtual scsi mechanism for the virtualization of storage devices. The storage virtualization is accomplished using two paired adapters: a virtual scsi server adapter a virtual scsi client adapter a virtual i/o server partitio...

  • Page 132

    118 ibm power 720 and 740 technical overview and introduction virtual fibre channel a virtual fibre channel adapter is a virtual adapter that provides client logical partitions with a fibre channel connection to a storage area network through the virtual i/o server logical partition. The virtual i/o...

  • Page 133: 3.2  Power Processor Modes

    Chapter 3. Virtualization 119 3.2 power processor modes although, strictly speaking, not a virtualization feature, the power modes are described here because they affect various virtualization features. On power system servers, partitions can be configured to run in several modes, including the foll...

  • Page 134

    120 ibm power 720 and 740 technical overview and introduction the selection of the mode is made on a per-partition basis, from the managed console, by editing the partition profile (figure 3-2). Figure 3-2 configuring partition profile compatibility mode from the managed console.

  • Page 135

    Chapter 3. Virtualization 121 table 3-2 lists the differences between these modes. Table 3-2 differences between power6, power6+ and power7 compatibility mode 3.3 active memory expansion active memory expansion (ame) enablement is an optional feature of power7 and power7+ processor-based servers tha...

  • Page 136

    122 ibm power 720 and 740 technical overview and introduction compressible the memory content is, and also depends on having adequate spare cpu capacity available for this compression and decompression. The power7+ processor includes active memory expansion on the processor chip to provide dramatic ...

  • Page 137

    Chapter 3. Virtualization 123 the knee varies depending on how compressible the memory contents are. This example demonstrates the need for a case-by-case study of whether memory expansion can provide a positive return on investment. To help you do this study, a planning tool is included with aix 6....

  • Page 138

    124 ibm power 720 and 740 technical overview and introduction after selecting the value of the memory expansion factor that you want to achieve, you can use this value to configure the partition from the managed console (figure 3-5). Figure 3-5 using the planning tool result to configure the partiti...

  • Page 139: 3.4  Powervm

    Chapter 3. Virtualization 125 from the hmc, you can view whether the active memory expansion feature was activated. Figure 3-6 shows the capabilities for a power systems server. Figure 3-6 server capabilities listed from the hmc for details about active memory expansion, download the active memory e...

  • Page 140

    126 ibm power 720 and 740 technical overview and introduction 3.4.1 powervm editions this section provides information about the virtualization capabilities of the powervm. The three editions of powervm are suited for various purposes: powervm express edition this edition is designed for customers w...

  • Page 141

    Chapter 3. Virtualization 127 micro-partitioning the ibm micro-partitioning technology allows you to allocate fractions of processors to a logical partition. This technology was introduced with power5 processor-based systems. A logical partition using fractions of processors is also known as a share...

  • Page 142

    128 ibm power 720 and 740 technical overview and introduction the power 740 allows up to 16 cores in a single system, supporting the following maximums: up to 16 dedicated partitions up to 320 micropartitions (maximum 20 micropartitions per physical active core) an important point is that the maximu...

  • Page 143

    Chapter 3. Virtualization 129 figure 3-7 shows a diagram of the concepts discussed in this section. Figure 3-7 logical partitioning concepts dedicated mode in dedicated mode, physical processors are assigned as a whole to partitions. The simultaneous multithreading feature in the power7+ processor c...

  • Page 144

    130 ibm power 720 and 740 technical overview and introduction power hypervisor dispatches virtual processors to physical processors according to the partition’s processing units entitlement. One processing unit represents one physical processor’s processing capacity. At the end of the power hypervis...

  • Page 145

    Chapter 3. Virtualization 131 if the power systems server is under heavy load, each micropartition within a shared processor pool is guaranteed its processor entitlement plus any capacity that it might be allocated from the reserved pool capacity if the micropartition is uncapped. If certain micropa...

  • Page 146

    132 ibm power 720 and 740 technical overview and introduction figure 3-9 shows the levels of unused capacity redistribution implemented by the power hypervisor. Figure 3-9 the levels of unused capacity redistribution capacity allocation above the entitled pool capacity (level 1 ) the power hyperviso...

  • Page 147

    Chapter 3. Virtualization 133 to redistribute unused processor capacity to uncapped micropartitions in multiple shared processor pools above the entitled pool capacity, the power hypervisor uses a higher level of redistribution, level 1 . Where there is unused processor capacity in under-utilized sh...

  • Page 148

    134 ibm power 720 and 740 technical overview and introduction deactivate a shared processor pool. A shared processor pool cannot be deactivated unless all micropartitions hosted by the shared processor pool have been removed. Live partition mobility and multiple shared processor pools a micropartiti...

  • Page 149

    Chapter 3. Virtualization 135 installation of the virtual i/o server partition is performed from a special system backup dvd that is provided to clients who order any powervm edition. This dedicated software is only for the virtual i/o server (and ivm in case it is used) and is supported only in spe...

  • Page 150

    136 ibm power 720 and 740 technical overview and introduction figure 3-11 shows a configuration example of an sea with one physical and two virtual ethernet adapters. An sea can include up to 16 virtual ethernet adapters on the virtual i/o server that share the same physical access. Figure 3-11 arch...

  • Page 151

    Chapter 3. Virtualization 137 virtual scsi virtual scsi is used to see a virtualized implementation of the scsi protocol. Virtual scsi is based on a client/server relationship. The virtual i/o server logical partition owns the physical resources and acts as a server or, in scsi terms, a target devic...

  • Page 152

    138 ibm power 720 and 740 technical overview and introduction at the time of writing, virtual scsi supports fibre channel, parallel scsi, iscsi, sas, scsi raid devices, and optical devices, including dvd-ram and dvd-rom. Other protocols such as ssa and tape devices are not supported. For more inform...

  • Page 153

    Chapter 3. Virtualization 139 additional cli statistics in svmon , vmstat , fcstat , and topas monitoring solutions to help manage and monitor the virtual i/o server and shared resources commands and views provide additional metrics for memory, paging, processes, fibre channel hba statistics, and vi...

  • Page 154

    140 ibm power 720 and 740 technical overview and introduction system requirements for source and destination the source partition must be one that has only virtual devices. If there are any physical devices in its allocation, they must be removed before the validation or migration is initiated. An n...

  • Page 155

    Chapter 3. Virtualization 141 and shared storage (external hdisk with reserve_policy=no_reserve ). In addition, all logical partitions must be on the same open network with rmc established to the managed console. The managed console is used to configure, validate, and orchestrate. You use the manage...

  • Page 156

    142 ibm power 720 and 740 technical overview and introduction for additional information regarding active memory sharing, see powervm virtualization active memory sharing, redp-4470. 3.4.7 active memory deduplication in a virtualized environment, the systems might have a considerable amount of dupli...

  • Page 157

    Chapter 3. Virtualization 143 figure 3-14 shows the behavior of a system with active memory deduplication enabled on its active memory sharing shared memory pool. Duplicated pages from separate lpars are stored only once, providing the active memory sharing pool with more free memory. Figure 3-14 id...

  • Page 158

    144 ibm power 720 and 740 technical overview and introduction figure 3-15 shows two pages being written in the active memory sharing memory pool and having their signatures matched on the deduplication table. Figure 3-15 memory pages having their signatures matched by active memory deduplication fro...

  • Page 159

    Chapter 3. Virtualization 145 figure 3-16 shows the active memory deduplication being enabled to a shared memory pool. Figure 3-16 enabling the active memory deduplication for a shared memory pool the active memory deduplication feature requires the following minimum components: powervm enterprise e...

  • Page 160

    146 ibm power 720 and 740 technical overview and introduction show important information about current, and predicted, memory affinity, and also monitor the status of a running optimization process. Example 3-1 launching dpo for an lpar 1 #optmem -m -t affinity -o start for more information about dp...

  • Page 161

    Chapter 3. Virtualization 147 3.4.11 linux support ibm linux technology center (ltc) contributes to the development of linux by providing support for ibm hardware in linux distributions. In particular, the ltc makes tools and code available to the linux communities to take advantage of the power7+ t...

  • Page 162

    148 ibm power 720 and 740 technical overview and introduction table 3-6 lists the support of specific programming features for various versions of linux. Table 3-6 linux support for power7+ features see the following sources for information: advance toolchain: http://ibm.Co/106nmyi release notes: – ...

  • Page 163: 3.5  System Planning Tool

    Chapter 3. Virtualization 149 3.5 system planning tool the ibm system planning tool (spt) helps you design systems to be partitioned with logical partitions. You can also plan for and design non-partitioned systems by using the spt. The resulting output of your design is called a system plan , which...

  • Page 164

    150 ibm power 720 and 740 technical overview and introduction 3.6 new powervm version 2.2.2 features power systems server coupled with powervm technology are designed to help clients build a dynamic infrastructure, reducing costs, managing risk, and improving services levels. Ibm powervm v2.2.2 incl...

  • Page 165: Continuous Availability and

    © copyright ibm corp. 2013. All rights reserved. 151 chapter 4. Continuous availability and manageability this chapter provides information about ibm reliability, availability, and serviceability (ras) design and features. This set of technologies, implemented on ibm power systems servers, improves ...

  • Page 166: 4.1  Reliability

    152 ibm power 720 and 740 technical overview and introduction 4.1 reliability highly reliable systems are built with highly reliable components. On ibm power processor-based systems, this basic principle is expanded upon with a clear design for reliability architecture and methodology. A concentrate...

  • Page 167: 4.2  Availability

    Chapter 4. Continuous availability and manageability 153 4.1.2 placement of components packaging is designed to deliver both high performance and high reliability. For example, the reliability of electronic components is directly related to their thermal environment. That is, large decreases in comp...

  • Page 168

    154 ibm power 720 and 740 technical overview and introduction 4.2.1 partition availability priority power7+ systems can assign availability priorities to partitions. If the system detects that a processor core is about to fail, it is taken offline. If the partitions on the system require more proces...

  • Page 169

    Chapter 4. Continuous availability and manageability 155 with the instruction retry function, when an error is encountered in the core, in caches and certain logic functions, the power7+ processor first automatically retries the instruction. If the source of the error was truly transient, the instru...

  • Page 170

    156 ibm power 720 and 740 technical overview and introduction power7+ processor-based systems have several protection schemes designed to prevent, protect, or limit the effect of errors in main memory: chipkill chipkill is an enhancement that enables a system to sustain the failure of an entire dram...

  • Page 171

    Chapter 4. Continuous availability and manageability 157 in other cases, the power hypervisor notifies the owning partition that the page must be deallocated. Where possible, the operating system moves any data currently contained in that memory area to another memory area and removes the pages asso...

  • Page 172

    158 ibm power 720 and 740 technical overview and introduction l2 and l3 array protection the l2 and l3 caches in the power7+ processor are protected with double-bit detect single-bit correct error detection code (ecc). Single-bit errors are corrected before forwarding to the processor and are subseq...

  • Page 173

    Chapter 4. Continuous availability and manageability 159 depending on system configuration and the source of the data, errors encountered during i/o operations might not result in a machine check. Instead, the incorrect data is handled by the processor host bridge (phb) chip. When the phb chip detec...

  • Page 174: 4.3  Serviceability

    160 ibm power 720 and 740 technical overview and introduction figure 4-2 shows the location and various mechanisms used throughout the i/o subsystem for pci enhanced error handling. Figure 4-2 pci enhanced error handling 4.3 serviceability ibm power systems design considers both ibm and the client’s...

  • Page 175

    Chapter 4. Continuous availability and manageability 161 by delivering on these goals, ibm power systems servers enable faster and more accurate repair, and reduce the possibility of human error. Client control of the service environment extends to firmware maintenance on all of the power processor-...

  • Page 176

    162 ibm power 720 and 740 technical overview and introduction the service processor provides the following features: placing calls on systems without a hardware management console, the service processor can place calls to report surveillance failures with the power hypervisor, critical environmental...

  • Page 177

    Chapter 4. Continuous availability and manageability 163 figure 4-3 shows this option using the asmi. Figure 4-3 asmi auto power restart setting panel partition availability priority also available is the ability to assign availability priorities to partitions. If an alternate processor recovery eve...

  • Page 178

    164 ibm power 720 and 740 technical overview and introduction system error log where it is analyzed by error log analysis (ela) routines. Appropriate actions are taken to report the boot-time error for subsequent service, if required. Concurrent access to the service processors menus of the asmi thi...

  • Page 179

    Chapter 4. Continuous availability and manageability 165 figure 4-4 shows a schematic of a fault isolation register implementation. Figure 4-4 schematic of fir implementation fault isolation the service processor interprets error data that is captured by the ffdc checkers (saved in the firs or other...

  • Page 180

    166 ibm power 720 and 740 technical overview and introduction 4.3.2 diagnosing general diagnostic objectives are to detect and identify problems such that they can be resolved quickly. Elements of ibm diagnostics strategy include the following items: provide a common error code format equivalent to ...

  • Page 181

    Chapter 4. Continuous availability and manageability 167 when corrective actions must be automatically initiated by the system. These actions can include the following items: requests for a part to be replaced dynamic invocation of built-in redundancy for automatic replacement of a failing part dyna...

  • Page 182

    168 ibm power 720 and 740 technical overview and introduction and decide whether the fault is a call-home candidate. If the fault requires support intervention, a call will be placed with service and support, and a notification will be sent to the contact that is defined in the esa guided setup wiza...

  • Page 183

    Chapter 4. Continuous availability and manageability 169 4.3.4 notifying after a power systems server detects, diagnoses, and reports an error to an appropriate aggregation point, it then takes steps to notify the client, and if necessary the ibm support organization. Depending on the assessed sever...

  • Page 184

    170 ibm power 720 and 740 technical overview and introduction 4.3.5 locating and servicing the final component of a comprehensive design for serviceability is the ability to effectively locate and replace parts requiring service. Power processor-based systems use a combination of visual cues and gui...

  • Page 185

    Chapter 4. Continuous availability and manageability 171 and system locate leds will occur. These leds will turn on solid and can be used to follow the light path from the system to the enclosure and down to the specific fru. Data centers can be complex places, and guiding light is designed to do mo...

  • Page 186

    172 ibm power 720 and 740 technical overview and introduction concurrent firmware fix pack updates when possible. The determination of whether a firmware fix pack release can be updated concurrently is identified in the readme file that is released with the firmware. Blind swap cassette blind swap p...

  • Page 187: 4.4  Manageability

    Chapter 4. Continuous availability and manageability 173 repair and verify system repair and verify (r&v) is a system used to guide a service provider step-by-step through the process of repairing a system and verifying that the problem has been repaired. The steps are customized in the appropriate ...

  • Page 188

    174 ibm power 720 and 740 technical overview and introduction service processor the service processor is a controller that is running its own operating system. It is a component of the service interface card. The service processor operating system has specific programs and device drivers for the ser...

  • Page 189

    Chapter 4. Continuous availability and manageability 175 the asmi is accessible through the management console. It is also accessible by using a web browser on a system that is connected directly to the service processor (in this case, either a standard ethernet cable or a crossed cable) or through ...

  • Page 190

    176 ibm power 720 and 740 technical overview and introduction figure 4-5 shows that the operator panel on a power 720 and power 740 is pulled out. Figure 4-5 operator panel is pulled out from the chassis several of the operator panel features include the following items: a 2 x 16 character lcd displ...

  • Page 191

    Chapter 4. Continuous availability and manageability 177 the modes are as follows: service mode this mode requires a service mode boot of the system and enables the checking of system devices and features. Service mode provides the most complete self-check of the system resources. All system resourc...

  • Page 192

    178 ibm power 720 and 740 technical overview and introduction display/alter/dump licensed internal code log main storage dump manager hardware service manager call home/customer notification error information menu led management menu concurrent/non-concurrent maintenance (within scope of the os) man...

  • Page 193

    Chapter 4. Continuous availability and manageability 179 for power systems, select the power link. Figure 4-6 shows an example. Figure 4-6 support for power servers web page although the content under the popular links section can change, click the firmware and hmc updates link to go to the resource...

  • Page 194

    180 ibm power 720 and 740 technical overview and introduction ibm provides the concurrent firmware maintenance (cfm) function on selected power systems. This function supports applying nondisruptive system firmware service packs to the system concurrently (without requiring a reboot operation to act...

  • Page 195

    Chapter 4. Continuous availability and manageability 181 with the power-on reset engine (pore), the firmware can now dynamically power off processor components, make changes to the registers and re-initialize while the system is running, without discernible impact to any applications running on a pr...

  • Page 196: 4.5  Power7+ Ras Features

    182 ibm power 720 and 740 technical overview and introduction the internet (https or vpn) or modem, and can be configured to communicate securely through gateways to provide customers a single point of exit from their site. Communication is one way. Activating electronic service agent does not enabl...

  • Page 197: 4.6  Power-On Reset Engine

    Chapter 4. Continuous availability and manageability 183 4.6 power-on reset engine the power7+ chip includes a power-on reset engine (pore), a programmable hardware sequencer responsible for restoring the state of a powered down processor core and l2 cache (deep sleep mode), or chiplet (winkle mode)...

  • Page 198

    184 ibm power 720 and 740 technical overview and introduction optional ecc i/o hub with freeze behavior x x x x x x x pci bus extended error detection x x x x x x x pci bus extended error recovery x x x x most most most pci-pci bridge enhanced error handling x x x x - - - redundant rio or 12x channe...

  • Page 199

    Chapter 4. Continuous availability and manageability 185 serviceability boot-time progress indicators x x x x most most most electronic service agent call home from management console x x x x x x x firmware error codes x x x x x x x operating system error codes x x x x most most most inventory colle...

  • Page 200

    186 ibm power 720 and 740 technical overview and introduction live application mobility - x x - - - - repair and verify guided maintenance x x x x most most most concurrent kernel update - x x x x x x concurrent hot add/repair maintenance x x x x x x x power and cooling redundant, hot-swap fans and ...

  • Page 201: Related Publications

    © copyright ibm corp. 2013. All rights reserved. 187 related publications the publications listed in this section are considered particularly suitable for a more detailed discussion of the topics covered in this paper. Ibm redbooks the following ibm redbooks publications provide additional informati...

  • Page 202: Other Publications

    188 ibm power 720 and 740 technical overview and introduction other publications these publications are also relevant as further information sources: ibm power facts and features - ibm power systems, ibm pureflex and power blades http://www.Ibm.Com/systems/power/hardware/reports/factsfeatures.Html s...

  • Page 203: Online Resources

    Related publications 189 online resources these websites are also relevant as further information sources: ibm power systems hardware information center http://pic.Dhe.Ibm.Com/infocenter/powersys/v3r1m5/index.Jsp ibm system planning tool website http://www.Ibm.Com/systems/support/tools/systemplannin...

  • Page 204

    190 ibm power 720 and 740 technical overview and introduction.

  • Page 206: Red

    ® redp-4984-00 international technical support organization building technical information based on practical experience ibm redbooks are developed by the ibm international technical support organization. Experts from ibm, customers and partners from around the world create timely technical informat...