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Chapter 2. Architecture and technical overview

59

Figure 2-16 FCoE connections in IBM BladeCenter

For more information about FCoE, read An Introduction to Fibre Channel over Ethernet, and
Fibre Channel over Convergence Enhanced Ethernet, REDP-4493, available from the
following Web page:

http://www.redbooks.ibm.com/abstracts/redp4493.html

The QLogic 2-port 10 Gb Converged Network Adapter is a CFFh form factor card. The ports
on this card are connected to BladeCenter H and HT I/O switch module bays 7 and 9. In
these bays a pass through or FCoE capable I/O module can provide connectivity to a
top-of-rack switch. A combination of the appropriate I/O switch module in these bays and the
proper Fibre Channel capable modules in bays 3 and 5 can eliminate the top-of-rack switch
requirement. See 1.6, “Supported BladeCenter I/O modules” on page 29.

InfiniBand Host Channel adapter

The InfiniBand Architecture (IBA) is an industry-standard architecture for server I/O and
interserver communication. It was developed by the InfiniBand Trade Association (IBTA) to
provide the levels of reliability, availability, performance, and scalability necessary for present
and future server systems with levels significantly better than can be achieved using
bus-oriented I/O structures.

InfiniBand is an open set of interconnected standards and specifications. The main InfiniBand
specification has been published by the InfiniBand Trade Association and is available at the
following Web page:

http://www.infinibandta.org/

InfiniBand is based on a switched fabric architecture of serial point-to-point links. These
InfiniBand links can be connected to either host channel adapters (HCAs), used primarily in
servers, or target channel adapters (TCAs), used primarily in storage subsystems.

The InfiniBand physical connection consists of multiple byte lanes. Each individual byte lane
is a four-wire, 2.5, 5.0, or 10.0 Gbps bi-directional connection. Combinations of link width and
byte lane speed allow for overall link speeds of 2.5–120 Gbps. The architecture defines a
layered hardware protocol as well as a software layer to manage initialization and the
communication between devices. Each link can support multiple transport services for
reliability and multiple prioritized virtual communication channels.

IBM POWER7 blades each
with a Converged Network
Adapter

BNT Virtual Fabric
10Gb Switch Module
with 10Gb Ethernet
ports

QLogic Virtual Fabric
Extension Module with
8Gb Fibre Channel
ports

BladeCenter H

LAN

SAN

Internal
connections

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Содержание PS700

Страница 1: ...01 and PS702 Technical Overview and Introduction David Watts Kerry Anders Berjis Patel Features the POWER7 processor providing advanced multi core technology Details the follow on to the BladeCenter J...

Страница 2: ......

Страница 3: ...International Technical Support Organization IBM BladeCenter PS700 PS701 and PS702 Technical Overview and Introduction May 2010 REDP 4655 00...

Страница 4: ...restricted by GSA ADP Schedule Contract with IBM Corp First Edition May 2010 This edition applies to IBM BladeCenter PS700 8406 70Y IBM BladeCenter PS701 8406 71Y IBM BladeCenter PS702 8406 71Y FC 835...

Страница 5: ...emory features 23 1 5 8 I O features 24 1 5 9 Disk features 28 1 5 10 Standard onboard features 28 1 6 Supported BladeCenter I O modules 29 1 6 1 Ethernet switch and intelligent pass through modules 3...

Страница 6: ...9 2 10 2 IBM System Storage 69 2 11 IVM 71 2 12 Operating system support 72 2 13 IBM EnergyScale 74 2 13 1 IBM EnergyScale technology 74 2 13 2 EnergyScale device 76 Chapter 3 Virtualization 77 3 1 PO...

Страница 7: ...d servicing parts requiring service 117 4 5 Manageability 120 4 5 1 Service user interfaces 120 4 5 2 IBM Power Systems firmware maintenance 122 4 5 3 Electronic Service Agent tool 124 4 5 4 BladeCent...

Страница 8: ...vi IBM BladeCenter PS700 PS701 and PS702 Technical Overview and Introduction...

Страница 9: ...ditions of the publication IBM may make improvements and or changes in the product s and or the program s described in this publication at any time without notice Any references in this information to...

Страница 10: ...ic Service Agent EnergyScale FlashCopy Focal Point IBM Systems Director Active Energy Manager IBM Micro Partitioning POWER Hypervisor Power Systems Power Systems Software POWER4 POWER5 POWER6 POWER6 P...

Страница 11: ...n Review Board He holds a Bachelor of Engineering degree from the University of Queensland Australia Kerry Anders is a Consultant in System p Lab Services for the IBM Systems and Technology Group base...

Страница 12: ...Guy Paradise From IBM Systems Technology Group Michael L Nelson Now you can become a published author too Here s an opportunity to spotlight your skills grow your career and become a published author...

Страница 13: ...il to redbooks us ibm com Mail your comments to IBM Corporation International Technical Support Organization Dept HYTD Mail Station P099 2455 South Road Poughkeepsie NY 12601 5400 Stay connected to IB...

Страница 14: ...xii IBM BladeCenter PS700 PS701 and PS702 Technical Overview and Introduction...

Страница 15: ...designed to minimize complexity improve efficiency automate processes reduce energy consumption and scale easily The POWER7 processor based PS700 PS701 and PS702 blades support AIX IBM i and Linux op...

Страница 16: ...ported in pairs thus the minimum memory required for PS700 blade server is 8 GB two 4 GB DIMMs The maximum memory that can be supported is 64 GB eight 8 GB DIMMs It has two Host Ethernet Adapters HEA...

Страница 17: ...ombines a single wide base blade PS701 and an expansion unit feature 8358 referred to as double wide blade which occupies two adjacent slots in the IBM BladeCenter chassis The PS702 blade server has 3...

Страница 18: ...ades For a comprehensive look at all aspects of BladeCenter products see the IBM Redbooks publication IBM BladeCenter Products and Technology SG24 7523 available from the following Web page http www r...

Страница 19: ...ion of integrated switching options BladeCenter systems lower the total cost of ownership TCO by eliminating the need to purchase additional keyboards videos and mice KVM Ethernet and Fibre Channel sw...

Страница 20: ...adeCenter E front view Figure 1 3 displays the rear view of an IBM BladeCenter E Figure 1 3 BladeCenter E rear view The key features of IBM BladeCenter E chassis are as follows A rack optimized 7 U mo...

Страница 21: ...a center space constraints Help in protecting your IT investment through IBM BladeCenter family longevity compatibility and innovation leadership in blades Support for the latest generation of IBM Bla...

Страница 22: ...ction Figure 1 4 BladeCenter H front view Figure 1 5 displays the rear view of an IBM BladeCenter H Figure 1 5 BladeCenter H rear view The key features of IBM BladeCenter H chassis are as follows A ra...

Страница 23: ...r space constraints Help in protecting your IT investment through IBM BladeCenter family longevity compatibility and innovation leadership in blades Support for the latest generation of IBM BladeCente...

Страница 24: ...10 IBM BladeCenter PS700 PS701 and PS702 Technical Overview and Introduction Figure 1 6 BladeCenter HT front view...

Страница 25: ...upplies and cooling and built in system management resources The result is a Network Equipment Building Systems NEBS 3 and ETSI compliant server platform optimized for next generation networks The fol...

Страница 26: ...rd New serial port for direct serial connection to installed blades Compliance with the NEBS 3 and ETSI core network specifications BladeCenter S The BladeCenter S chassis can hold up to six blade ser...

Страница 27: ...es chassis level solutions simplifying deployment and management of your installation Support for up to four network or storage switches or pass through modules A light path diagnostic panel and two U...

Страница 28: ...er the BladeCenter Power Configurator tool helps determine if the combination desired is valid It is expected that this tool will be updated to include the PS700 PS701 and PS702 blade configurations F...

Страница 29: ...41 to 104 F at 60 to 1800 m 197 to 6000 ft 5 to 30 C 41 to 86 F at 1800m to 4000m 6000 to 13000 ft Relative humidity 5 to 85 Maximum altitude 4000 meters 13000 ft 1 4 Physical package The PS700 PS701...

Страница 30: ...Memory features on page 23 1 5 8 I O features on page 24 1 5 9 Disk features on page 28 1 5 10 Standard onboard features on page 28 1 5 1 PS700 system features The BladeCenter PS700 model 8406 70Y is...

Страница 31: ...On board integrated features Service processor SP Two 1 GB Ethernet ports HEA SAS Controller USB Controller that routes to the USB 2 0 port on the media tray One Serial over LAN SOL Console through SP...

Страница 32: ...mm blade Processors Single socket 8 core 64 bit POWER7 processor operating at a 3 0 GHz clock speed Based on CMOS 12S 45 nm SOI silicon on insulator technology Power consumption is 150w socket Single...

Страница 33: ...atures Service processor SP Two 1 GB Ethernet ports HEA SAS Controller USB Controller which routes to the USB 2 0 port on the media tray 1 Serial over LAN SOL Console through SP Expansion Card I O Opt...

Страница 34: ...shown in Figure 1 12 Figure 1 12 Top view of PS702 blade server CIOv connector CFFh connector Screw down point to attach to PS702 base blade 32 DIMM sockets 16 in each blade Connector to join the bla...

Страница 35: ...nsole through FSP Expansion Card I O Options One CIOv expansion card slot PCIe One CFFh expansion card slot PCIe 1 5 4 Minimum features for the POWER7 processor based blade servers At the minimum PS70...

Страница 36: ...rs is available in four core PS700 eight core PS701 or two eight core PS702 configurations They are optimized to achieve maximum performance for both the system and its virtual machines Couple that pe...

Страница 37: ...KB per processor core L2 cache and 4 MB per processor core L3 cache No processor options are available The PS702 blade server is a double wide that supports two eight core 64 bit POWER7 3 0 GHz proce...

Страница 38: ...The card has the following features CIOv form factor QLogic 2532 8 Gb ASIC PCI Express 2 0 host interface Support for two full duplex Fibre Channel ports at 8 Gbps maximum per channel Support for Fib...

Страница 39: ...Gb Fibre Channel Expansion Card CIOv The Emulex 8 Gb Fibre Channel Expansion Card CIOv for IBM BladeCenter feature 8240 enables high performance connection to a SAN The innovative design of the IBM Bl...

Страница 40: ...led in the blade server and allows connectivity to high speed switch bays This expansion card provides flexibility for connecting the blade server to the horizontally oriented BladeCenter H modules in...

Страница 41: ...IBM BladeCenter Products and Technology SG24 7523 available at the following Web page http www redbooks ibm com abstracts sg247523 html Open QLogic 2 port 10 Gb Converged Network Adapter CFFh The QLog...

Страница 42: ...sk features on the PS700 PS701 and PS701 blade servers Table 1 9 Supported disk drives 1 5 10 Standard onboard features In this section we describe the standard on board features Service processor The...

Страница 43: ...which is then routed to the media tray in the BladeCenter chassis to connect to USB devices such as an optical drive or diskette drive For more information see 2 6 6 Embedded USB controller on page 60...

Страница 44: ...d a SOL system console through the BladeCenter Advanced Management Module at least one Ethernet I O module is required in switch bay 1 For more information see 2 8 1 Server console access by SOL on pa...

Страница 45: ...hrough module in switch bays 3 and 4 of all supported BladeCenters The CIOv expansion cards are as follows Emulex 8 Gb Fibre Channel Expansion Card CIOv QLogic 4 Gb Fibre Channel Expansion Card CIOv Q...

Страница 46: ...CEE link This card is a CFFh form factor with connections to BladeCenter H and HT I O module bays 7 and 9 Table 1 13 shows the currently available I O modules that are available to provide a FCoE sol...

Страница 47: ...Card CFFh The card is only supported in a BladeCenter H and the two ports are connected to high speed I O switch bays 7 8 and 9 10 The Voltaire 40 Gb InfiniBand Switch Module for the BladeCenter H is...

Страница 48: ...switch Interconnect Module for BladeCenter HT MSIM HT is a switch module container that fits in the high speed switch bays bays 7 and 8 or bays 9 and 10 of the BladeCenter HT chassis Up to two MSIM s...

Страница 49: ...ence between the POWER7 Blade servers and the entry POWER7 Rack Server Power 750 This helps to better position the POWER7 processor Blade Servers The POWER7 Blade Server configuration offers three bla...

Страница 50: ...e at initial system order time with a starting configuration that is ready to run 1 9 Model upgrades The PS700 PS701 and PS702 are new serial number blade servers There are no upgrades from POWER5 or...

Страница 51: ...R7 processor on page 38 2 3 POWER7 processor based blades on page 46 2 4 Memory subsystem on page 46 2 5 Technical comparison on page 51 2 6 Internal I O subsystem on page 52 2 7 Integrated Virtual Et...

Страница 52: ...ivering outstanding servers many elements and facilities have to be balanced across a server to deliver maximum throughput As with previous generations of systems based on POWER processors the design...

Страница 53: ...cache and chip interconnection simultaneous multiprocessing SMP links and memory controllers Figure 2 2 POWER7 processor architecture 2 2 1 POWER7 processor overview The POWER7 processor chip is fabr...

Страница 54: ...2 load store units 4 double precision floating point units 1 vector unit 1 branch unit 1 condition register unit 1 decimal floating point unit The caches that are tightly coupled to each POWER7 proce...

Страница 55: ...s to select the threading technology that meets an aggregation of objectives such as performance throughput energy use and workload enablement Intelligent threads The POWER7 processor features intelli...

Страница 56: ...ability to provide leadership performance in either case POWER7 processor 4 core and 6 core offerings The base design for the POWER7 processor is an 8 core processor with 32 MB of on chip L3 cache 4 M...

Страница 57: ...rough in material engineering and microprocessor fabrication has enabled IBM to implement the L3 cache in eDRAM and place it on the POWER7 processor die L3 cache is critical to a balanced design as is...

Страница 58: ...improvement A 2x bandwidth improvement occurs with on chip interconnect Frequency and bus sizes are increased to and from each core No off chip driver or receivers Removing drivers and receivers from...

Страница 59: ...tics between the generations of POWER7 and POWER6 processors Table 2 2 Comparison of technology for the POWER7 processor and the prior generation Note This shows the characteristics of the POWER7 proc...

Страница 60: ...and two memory buffers that can interface with a total of eight DDR3 DIMMS The PS701 single 8 core processor and the PS702 s two 8 core processors chips also use a single memory controller per process...

Страница 61: ...PS702 base blade have slots labelled P1 C1 through P1 C16 as shown in Figure 2 8 For the PS702 expansion unit the numbering is the same except for the reference to the second planar board The numberin...

Страница 62: ...pairs is permitted DIMMs should be installed in specific DIMM sockets depending on the number of DIMMs to install This is described in the following three tables For the PS700 Table 2 4 shows the req...

Страница 63: ...alled Table 2 5 PS701 DIMM placement rules DIMM socket PS701 Number of DIMMs to install 2 4 6 8 10 12 14 16 P1 C1 x x x x x x x x P1 C2 x x x x P1 C3 x x x x x x x x P1 C4 x x x x P1 C5 x x x P1 C6 x...

Страница 64: ...x P1 C5 x x x x x x P1 C6 x x x x x x x x x x x x P1 C7 x x x x x x P1 C8 x x x x x x x x x x x x P1 C9 x x x x x x x x x x P1 C10 x x P1 C11 x x x x x x x x x x P1 C12 x x P1 C13 x x x x P1 C14 x x...

Страница 65: ...hip eDRAM On chip eDRAM On chip eDRAM On chip eDRAM Max memory slots and type 8 DDR3 16 DDR3 32 DDR3 8 slots per processor card 32 slots max DDR3 Memory chipkill Yes Yes Yes Yes Memory spare No No No...

Страница 66: ...ection These two pairs of wires is called a lane A PCIe link might be comprised of multiple lanes In such configurations the connection is labeled as x1 x2 x8 x12 x16 or x32 where the number is the nu...

Страница 67: ...er S a compatible switch module is installed in bay 2 The requirement of either the MSIM MSIM HT or high speed switch modules depends on the type of CFFh expansion card installed The MSIM or MSIM HT m...

Страница 68: ...codes for PCIe expansion cards Figure 2 10 shows the locations of the PCIe CIOv and CFFh connectors for the PS701 and PS702 base planar and the physical location codes The expansion unit for the PS70...

Страница 69: ...xternally accessible ports on the PS700 PS701 and PS702 blades All I O is routed through a BladeCenter midplane to the I O modules bays The I O ports on all expansion cards are typically set up to pro...

Страница 70: ...Expansion card I O Bay 3 I O Bay 4 I O Bay 2 I O Bay 1 Standard I O bays connections Legend Mid Plane CIOv Blade Server 14 Blade Server 1 On Board 1GbE CFFv CFFh Expansion cards I O Bay 7 I O Bay 9 I...

Страница 71: ...nections Bridge modules I O bays connections Standard I O bays inter switch links High speed I O bays inter switch links Legend Mid Plane I O Bay 7 I O Bay 8 I O Bay 10 I O Bay 9 I O Bay 3 I O Bay 4 I...

Страница 72: ...factor card The output from the ports on this card are routed through the BladeCenter mid plane to I O switch bays 3 and 4 Fibre Channel adapters The PS700 PS701 and PS702 support direct or SAN conne...

Страница 73: ...future server systems with levels significantly better than can be achieved using bus oriented I O structures InfiniBand is an open set of interconnected standards and specifications The main InfiniBa...

Страница 74: ...ional host bridge chip The PS702 uses a single embedded SAS controller More information about the SAS I O subsystem can be found in 2 9 Internal storage on page 65 2 6 5 HEA ports Each HEA port has it...

Страница 75: ...h POWER6 POWER7 processor based servers continue the use of IVE The terms IVE and HEA are sometimes used interchangeably however IVE encompasses all the hardware parts including the HEA and the integr...

Страница 76: ...er provided Shared Ethernet Adapter SEA Industry standard hardware acceleration loaded with flexible configuration possibilities The speed and performance of the GX bus Great improvement of latency fo...

Страница 77: ...AMM The Serial over LAN SOL connection for a system console uses this same connection When the blade is in standby power mode the service processor responds to AMM instructions and can detect Wake on...

Страница 78: ...BladeCenter AMM The AMM also acts as a proxy in the network infrastructure to couple a client running a Telnet or SSH session with the management module to an SOL session running on a blade server en...

Страница 79: ...Pass Thru Module is installed in bay 1 of a BladeCenter SOL is enabled for those blades that you want to connect to with SOL The Ethernet switch module must be set up correctly For details about sett...

Страница 80: ...Figure 2 20 PS700 SAS configuration Figure 2 21 PS701 SAS configuration CIOv SAS Card PS700 P1 D1 SAS Controller SAS HDD SAS Switch in Bay4 SAS Switch in Bay3 SAS HDD P1 D2 CIOv SAS Card PS701 and PS...

Страница 81: ...tions and codes for the HDDs in the PS700 Figure 2 23 HDD location and physical location code PS700 CIOv SAS Card CIOv SAS Card PS701 and PS702 base PS702 expansion unit only P2 D1 P1 D1 SMP Connector...

Страница 82: ...agnostic Utilities disk prior to installing the operating system 2 9 2 External SAS connections The onboard SAS controller in the PS700 PS701 and PS702 blades does not provide a direct access external...

Страница 83: ...ated to the N series product line to complement and reinvigorate this portfolio of solutions The new SnapManager for Hyper V provides extensive management for backup restoration and replication for Mi...

Страница 84: ...oducing a mid sized configuration of its self optimizing self healing resilient disk solution the IBM XIV Storage System Organizations with mid sized capacity requirements can take advantage of the la...

Страница 85: ...eb page http www redbooks ibm com abstracts redp4061 html Table 2 9 Comparison of IVM and HMC Characteristic IVM HMC General characteristics Delivery vehicle Integrated into the server A desktop or ra...

Страница 86: ...l I O concurrent maintenance not available on POWER based blades VIOS support for slot and device level concurrent maintenance through the diag hot plug support Guided support in the Repair and Verify...

Страница 87: ...rver support fixes fixcentral main pseries aix IBM i Virtual I O Server is required to install IBM i in a LPAR on PS700 PS701 and PS702 blades and all I O must be virtualized IBM i 6 1 with i 6 1 1 ma...

Страница 88: ...optimization capabilities enable the POWER7 processor to operate at a higher frequency for increased performance and performance per watt or reduce frequency to save energy 2 13 1 IBM EnergyScale tec...

Страница 89: ...pping 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...

Страница 90: ...on from over subscribed power consumption to nominal power consumption when commanded by the BladeCenter AMM This transition is signaled by the AMM as a result of a redundant power supply failure in t...

Страница 91: ...olidating diverse sets of applications Share CPU memory and I O resources to reduce total cost of ownership Improve business responsiveness and operational speed by dynamically re allocating resources...

Страница 92: ...ions that help to reduce the need for physical Ethernet adapters for interpartition communication Monitors the service processor and performs a reset or reload if it detects the loss of the service pr...

Страница 93: ...configuration Virtual Ethernet has the following major features The virtual Ethernet adapters can be used for both IPv4 and IPv6 communication and can transmit packets with a size up to 65408 bytes Th...

Страница 94: ...ems AIX version 6 1 Technology Level 2 or later AIX 5 3 Technology Level 9 IBM i version 6 1 1 or later SUSE Linux Enterprise Server 11 or later For details on which expansion card support NPIV see 3...

Страница 95: ...n network setup and certain problem analysis activities require a dedicated system console The POWER Hypervisor provides the virtual console using a virtual TTY or serial adapter and a set of Hypervis...

Страница 96: ...For more information see http www power org resources reading PowerISA_V2 05 pdf POWER6 compatibility mode This mode is similar to POWER6 with 8 additional Storage Protection Keys POWER7 mode This is...

Страница 97: ...e for managing virtualization within a single blade the IVM component of VIOS allows the small business IT manager to set up and manage logical partitions LPARs quickly and easily It also enables Virt...

Страница 98: ...ch active processor on the server Table 3 3 lists the PowerVM Edition available on each model of POWER7 processor based blade servers with their feature code Table 3 3 PowerVM Edition and feature code...

Страница 99: ...and POWER7 systems introduces an abstraction layer that is implemented in POWER Hypervisor Micro partitioning is the ability to distribute the processing capacity of one or more physical processors am...

Страница 100: ...e created and managed by the HMC or Integrated Virtualization Management Partitioning maximums on the POWER7 based blades is as follows The PS700 can have four dedicated partitions or up to 40 micro p...

Страница 101: ...use the ppc64_cpu command If simultaneous multithreading is off each physical processor is presented as one logical processor and thus only one thread Shared dedicated mode On POWER7 processor based...

Страница 102: ...sor s dispatch cycle 10 ms all partitions receive total CPU time equal to their processing units entitlement The logical processors are defined on top of virtual processors Therefore even with a virtu...

Страница 103: ...t network The SEA provides this access by connecting the internal Hypervisor VLANs with the VLANs on the external switches Because the SEA processes packets at layer 2 the original MAC address and VLA...

Страница 104: ...orted so protocols that rely on broadcast or multicast such as Address Resolution Protocol ARP Dynamic Host Configuration Protocol DHCP Boot Protocol BOOTP and Neighbor Discovery Protocol NDP can work...

Страница 105: ...isioning of virtual disk resources is provided by the VIOS Physical disks presented to the VIOS can be assigned to a client partition in a number of ways The entire disk is presented to the client par...

Страница 106: ...a no charge base and for a fee extensions Software support is optionally available for a fee Using IBM Systems Director and IVM Power Systems clients can perform basic monitoring and management of th...

Страница 107: ...is powered off inactive or when the partition is providing service active Partition mobility provides systems management flexibility and improves system availability as follows Avoid planned outages f...

Страница 108: ...hen you activate the logical partition on the POWER6 processor based server it runs in the POWER6 mode 2 Move the logical partition to the POWER7 processor based server Both the current and preferred...

Страница 109: ...o memory constraints and other partitions have unused memory the administrator can allocate memory by doing a DLPAR operation In a shared memory model it is the system PowerVM Hypervisor that automati...

Страница 110: ...lable from the following Web page http www redbooks ibm com abstracts redp4470 html 3 3 7 N_Port ID Virtualization NPIV N_Port ID Virtualization NPIV is a technology that allows multiple logical parti...

Страница 111: ...QLogic 8 Gb Switch Module 3284 c c Requires Firmware level 7 10 1 4 or later Yes Yes No Not applicable Brocade 4 Gb Switch Module 3206 3207 No No Yesd d Requires the latest firmware on the Emulex CIOv...

Страница 112: ...3 AIX V6 1 IBM i 6 1 1 SLES 10 SP3 SLES 11 SP1 RHEL 5 5 Dynamic simultaneous multithreading SMT Yesa a Support for only two threads Yesb b AIX 6 1 up to TL4 SP2 supports only two threads and supports...

Страница 113: ...ed as follows Reliability Reliability indicates how infrequently a defect or fault in a server manifests itself Availability Availability indicates how infrequently the functionality of a system or ap...

Страница 114: ...deCenter chassis and the various components that make up the BladeCenter infrastructure In general the BladeCenter infrastructure RAS is outside the scope of this chapter However when appropriate the...

Страница 115: ...ed in BladeCenter chassis that are built with redundant variable speed fans that can automatically increase output to compensate for increased heat in the BladeCenter chassis 4 2 3 Redundant component...

Страница 116: ...ty these servers attempt to maintain partition availability by user defined priority Partition availability priority is assigned to partitions by using a weight value or integer rating The lowest prio...

Страница 117: ...ssor instruction and alternate processor recovery for a number of core related faults This approach significantly reduces exposure to both permanent and intermittent errors in the processor core Inter...

Страница 118: ...ors might result on a system wide outage 4 3 3 Memory protection A memory protection architecture that provides good error resilience for a relatively small L1 cache might be inadequate for protecting...

Страница 119: ...state with no performance degradation until the failed DIMM can be replaced assuming no additional single bit errors POWER7 memory subsystem The POWER7 chip contains two memory controllers with four c...

Страница 120: ...llocated as soon as the page is released In other cases the POWER Hypervisor notifies the owning partition that the page should be deallocated Where possible the operating system moves any data curren...

Страница 121: ...d L3 directories L1 instruction and data array protection The POWER7 processor s instruction and data caches are protected against intermittent errors using Processor Instruction Retry and against per...

Страница 122: ...ECC is no longer valid The service processor is notified and takes appropriate actions When running AIX since V5 2 and later or Linux and a process attempts to use the data the operating system is inf...

Страница 123: ...ction 4 4 Serviceability IBM Power Systems design considers both IBM and the client s needs The IBM Serviceability Team has enhanced the base service capabilities and continues to implement a strategy...

Страница 124: ...ace the service processor notifies the operating system of potential environmental problems so that the system administrator can take appropriate corrective actions before a critical failure threshold...

Страница 125: ...The POWER processor based systems include extensive hardware and firmware recovery logic Fault isolation registers Error checker signals are captured and stored in hardware fault isolation registers F...

Страница 126: ...ion is collected to service the fault For unrecoverable errors or for recoverable events that meet or exceed their service threshold meaning that a service action point has been reached a request for...

Страница 127: ...ined responses to both actual and potential system problems The service processor correlates and processes runtime error information using logic derived from IBM engineering expertise to count recover...

Страница 128: ...analysis When the root cause of an error has been identified by a fault isolation component an error log entry is created with basic data An error code uniquely describing the error event The location...

Страница 129: ...on the invocation method but includes information such as firmware levels operating system levels additional fault isolation register values recoverable error threshold register values system status a...

Страница 130: ...nt location to the IBM service and support organization with error data server status or other service related information A call home invokes the service organization in for the appropriate service a...

Страница 131: ...delineate components that are not concurrently maintained Those that require the system to be turned off for removal or repair Tool less design Selected IBM systems support tool less or simple tool d...

Страница 132: ...ssociated with the part to be replaced The Light Path diagnostic FRU fault LEDs can be reviewed from the AMM as shown in Figure 4 4 or reviewed directly on the blade after removal from the BladeCenter...

Страница 133: ...error and informational states disk and network activity and physical location within a BladeCenter chassis Concurrent maintenance The BladeCenter supporting infrastructure is designed with the unders...

Страница 134: ...ures are performed correctly Clients can subscribe through the subscription services to obtain the notifications on the latest updates available for service related documentation The latest version of...

Страница 135: ...nter media tray and online diagnostics that are available through the operating system Online diagnostics when installed are a part of the AIX or VIOS operating system on the disk or server They can b...

Страница 136: ...ten in the event log and any configured alerts are sent The information gathered by service advisor is the same information that is available to the AMM 4 5 2 IBM Power Systems firmware maintenance Th...

Страница 137: ...wer subsystem firmware Installed level This is the level of server firmware or power subsystem firmware that has been installed and is installed into memory after the managed system is powered off and...

Страница 138: ...as the system is under an IBM maintenance agreement or within the IBM warranty period Service information and performance information reporting do not require an IBM maintenance agreement or do not n...

Страница 139: ...or to a FTP TFTP server or to both IBM BladeCenter Service Advisor is built from the IBM Electronic Service Agent offering There is no installation required for the service advisor but it must be con...

Страница 140: ...f the information IBM returns a service request ID which is placed in the call home activity log Figure 4 8 shows BladeCenter Service Advisor enabled to send alerts to both IBM Support and a FTP TFTP...

Страница 141: ...isplay Call Home Flag checkbox If you select the checkbox events are marked with a C for call home events and an N for events that are not called home In addition you can filter the event log view bas...

Страница 142: ...128 IBM BladeCenter PS700 PS701 and PS702 Technical Overview and Introduction...

Страница 143: ...sis ESA Electronic Service Agent ETSI European Telecommunications Standard Industry FC Fibre Channel FC AL Fibre Channel arbitrated loop Abbreviations and acronyms FC IP Fibre Channel Internet Protoco...

Страница 144: ...inux RSA Remote Supervisor Adapter SAN storage area network SAS Serial Attached SCSI SATA Serial ATA SCM Supply Chain Management SCSI Small Computer System Interface SEA Shared Ethernet Adapter SER so...

Страница 145: ...ide SG24 7740 IBM BladeCenter Products and Technology SG24 7523 IBM PowerVM Live Partition Mobility SG24 7460 IBM PowerVM Virtualization Managing and Monitoring SG24 7590 Integrated Virtual Ethernet A...

Страница 146: ...PS702 Express home page http ibm com systems bladecenter hardware servers ps700series How to get Redbooks You can search for view or download Redbooks Redpapers Technotes draft publications and Additi...

Страница 147: ......

Страница 148: ...technology Details the follow on to the BladeCenter JS23 and JS43 servers Includes product information and features The IBM BladeCenter PS700 PS701 and PS702 are premier blades for 64 bit applications...

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