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Flex System Enterprise Chassis
Product Guide
Flex System is the next generation of blade technology with more performance and bandwidth and far
more capability to consolidate and virtualize than previous systems. Flex System is anchored by the Flex
System Enterprise Chassis which enables high-speed performance with integrated servers and
networking. Furthermore, its flexible design can meet the needs of varying workloads with independently
scalable IT resource pools for higher utilization and lower cost per workload.
The Flex System Enterprise Chassis is shown in Figure 1.
Figure 1. The Flex System Enterprise Chassis
Did you know?
In addition to the Flex System Enterprise Chassis, Lenovo also offers the Carrier-Grade Chassis for
installations requiring tolerance to higher temperatures or for use in environments without filtered air. For
information about the Carrier-Grade Chassis, see https://lenovopress.com/tips1285.
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Flex System Enterprise Chassis
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   Also See for Lenovo 8721

   Summary of Contents for Lenovo 8721

  • Page 1

    Figure 1. The Flex System Enterprise Chassis Did you know? In addition to the Flex System Enterprise Chassis, Lenovo also offers the Carrier-Grade Chassis for installations requiring tolerance to higher temperatures or for use in environments without filtered air. For information about the Carrier-Grade Chassis, see https://lenovopress.com/tips1285.

  • Page 2: Key Features

    The solution is easily scalable with the addition of another chassis with the required nodes. With Lenovo XClarity Administrator, multiple chassis can be monitored from a single screen. This flexible 14 node, 10U chassis is designed for a simple deployment now and to scale to meet your needs in the future.

  • Page 3

    Locations of key components and connectors The following figure shows the front of the Enterprise Chassis. Figure 2. Front of the Flex System Enterprise Chassis The following figure shows the rear of the Enterprise Chassis. Figure 3. Rear of the Flex System Enterprise Chassis Flex System Enterprise Chassis...

  • Page 4

    Enterprise Chassis use the first generation CMM. The CMM2 interfaces with the integrated management module (IMM2) integrated in each compute node in the chassis. Optional Lenovo XClarity Administrator for hardware resource management with integrators to VMware vCenter and Microsoft System Center, including virtualization, networking, and storage management.

  • Page 5

    EN4023 10Gb Scalable Switch (FoD 3) upgrades, 47C9993. The FoD 3 upgrade enables FCoE on all active ports of the switches. ‡ Model B2x includes two Flex System EN4023 10Gb Scalable Switches, 94Y5212 and two Lenovo Flex System FC5022 24-port 16Gb SAN Scalable Switch, 00Y3324.

  • Page 6

    (Lenovo signed) per chassis* Lenovo ThinkSystem servers ThinkSystem SN550 7X16 Lenovo signed Supported ThinkSystem SN850 7X15 Lenovo signed Supported Lenovo Flex System compute nodes Flex System x220 7906 IBM signed Supported Supported Flex System x222 7916 IBM signed Supported Supported...

  • Page 7

    Enterprise Chassis, based on the type and number of power supplies installed. See ServerProven® for the latest information about the supported servers: http://www.lenovo.com/us/en/serverproven/flexsystem.shtml Supported I/O modules The Flex System Enterprise Chassis has four high-speed switch bays that are capable of supporting a variety of I/O architectures.

  • Page 8

    InfiniBand switches IB6131 InfiniBand Switch (QDR/FDR) 90Y3450 Vendor Supported Supported * Withdrawn from marketing † For these switches, IBM signed switch firmware is up to Version 7.x and Lenovo signed switch firmware is Version 8.x onwards Flex System Enterprise Chassis...

  • Page 9

    I/O architecture Each half-wide compute node (such as the ThinkSystem SN550) has two adapter slots, and each full-wide compute node (such as the ThinkSystem SN850) has four adapter slots. The adapter slots in each compute node route through the chassis midplane to the switch bays. The architecture supports up to eight ports per adapter.

  • Page 10

    Figure 6. Logical layout of the inter-connections between four-port I/O adapters and I/O modules The following table shows the connections between adapter slots in the compute nodes to the switch bays in the chassis. Notes: To make use of all four ports of a four-port adapter across all blade servers, the switch must have 28 internal ports enabled, and two switches must be installed in the bays as indicated.

  • Page 11

    There are two versions of the Chassis Management Module available: Chassis Management Module 2 (00FJ669) -- contains a Trusted Platform Module (TPM) v2.0 chip and has a Lenovo-signed firmware codebase. This module is recommended for new installation. First generation Chassis Management Module (68Y7030) -- contains a Trusted Platform Module (TPM) v1.1 chip and has an IBM-signed firmware codebase...

  • Page 12

    The following table shows the ordering information. Table 6. Chassis Management Module Part Feature codes* Description Standard / number Maximum 68Y7030 A0TM / A0UE Flex System Chassis Management Module 1 / 2 00FJ669 ASPT / ASQ8 Flex System Chassis Management Module 2 1 / 2 * The first feature code corresponds to the base CMM installed in the chassis.

  • Page 13

    The CMM has the following connectors: USB connection. This connection can be used for insertion of a USB media key for tasks, such as firmware updates. 10/100/1000 Mbps RJ45 Ethernet connection to connect to a management network. The CMM can be managed via this Ethernet port.

  • Page 14: Power Supplies

    Flex System compute nodes and components, including the Chassis Management Module and Flex System I/O modules. The following figure shows the Lenovo XClarity Administrator interface, where both Flex System components and rack servers are being managed and can be seen on the dashboard.

  • Page 15

    Note: The following power supplies are withdrawn from marketing: 2100W Power Module, 47C7633 HVDC 2500W Power Module, 00AM765 Table 7. Ordering part number and feature code Description Part number Feature code Flex System Enterprise Chassis 2500W Power Module 43W9049 A0UC Flex System Enterprise Chassis -48V DC 2500W Power Module 00FJ635 A5VC...

  • Page 16

    Yellow cell: Supported but with restrictions on the number of compute nodes that can be installed. Note: These tables assume the chassis is filled with idential compute nodes. For more complex configurations, use the Power Configurator: https://support.lenovo.com/documents/LNVO-PWRCONF Flex System Enterprise Chassis...

  • Page 17

    Table 9. Specific number of compute nodes supported based on installed power supplies 2100W power supplies* 2500W power supplies N+N, N+1, N=4 N+1, N=3 N+N, N=3 N+1, N=5 N+1, N=4 N+1, N=3 N+1, N=5 5 total 4 total 6 total 6 total 5 total 4 total...

  • Page 18

    2100W power supplies* 2500W power supplies N+N, N+1, N=4 N+1, N=3 N+N, N=3 N+1, N=5 N+1, N=4 N+1, N=3 N+1, N=5 5 total 4 total 6 total 6 total 5 total 4 total 6 total 6 total Flex System x240 M5 52 W 55 W 65 W...

  • Page 19: Fan Modules

    The 80 mm fan modules are populated, depending on the nodes installed. To support the base configuration and up to four nodes, chassis model 8721-A1x ships with four 80 mm fan modules and two 40 mm fan modules preinstalled. There are two cooling zones for the nodes: a left zone and a right zone.

  • Page 20: Physical Specifications

    Figure 12. Fan module locations and cooling zones The 40 mm fan modules are always required. Additional 80 mm fan modules are required as listed in the following table. Table 11. 80 mm fan module requirements Description 80 mm fan module requirements Up to four half-wide compute nodes (node bays 1 - 4) 4 fan modules (fan bays 1, 2, and 6, 7) Up to eight half-wide compute nodes (node bays 1 - 8)

  • Page 21

    Lenovo warranty service upgrade offerings are country-specific. Not all warranty service upgrades are available in every country. For more information about Lenovo warranty service upgrade offerings that are available in your country, go to the Data Center Advisor and Configurator (formerly known as LESC) website http://lesc.lenovo.com, then do the following:...

  • Page 22

    Lenovo server. In the unlikely event of a hard drive failure, you retain possession of your hard drive while Lenovo replaces the failed drive part. Your data stays safely on your premises, in your hands.

  • Page 23: Regulatory Compliance

    RTS can reduce problem resolution time, decreasing the cost to address technical problems and increasing uptime. Offerings are available for Windows, Linux, IBM Systems Director, VMware, Microsoft business applications, and Lenovo System x storage devices, and IBM OEM storage devices.

  • Page 24

    Top-of-rack Ethernet switches For enterprise-class installations with multiple Flex System Enterprise Chassis configurations, a top-of- rack Ethernet switch from Lenovo provides the necessary level of networking between racks of systems and the rest of your production network. The following table lists the Ethernet LAN switches that are offered by Lenovo.

  • Page 25

    Fibre Channel SAN switches The following table lists the Fibre Channel SAN switches that are offered by Lenovo and can be used with this system. Table 14. Fibre Channel SAN switches Part number Description 8 Gb FC 3873AR3 Lenovo B300, 8 ports activated, 8x 8Gb SWL SFPs, 1 PS, Rail Kit...

  • Page 26

    America) or three-phase 32A wye 380-415 VAC (international). The chassis can also be fed from single- phase 200 - 240VAC supplies, if required. For further details, see the Flex System Enterprise Chassis Power Requirements Guide , available from: https://support.lenovo.com/documents/LNVO-POWINF Table 15. Power distribution units Part number...

  • Page 27

    RT8kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC) 55949PX RT11kVA 6U 3:1 Phase Rack or Tower UPS (380-415VAC) For more information, see the related Lenovo Press Product Guides in the UPS category: https://lenovopress.com/servers/options/ups Rack cabinets Flex System Enterprise Chassis...

  • Page 28

    * This Office Enablement kit is specifically designed for the BladeCenter S Chassis. The Flex System Enterprise Chassis can be installed in this kit with 1U of space remaining, however the noise generated by the chassis may not be acceptable for office use. Lenovo Financial Services Flex System Enterprise Chassis...

  • Page 29

    For you, this dedication provides a high-quality, easy, and positive financing experience. For your region specific offers please ask your Lenovo sales representative or your technology provider about the use of Lenovo Financial Services. For more information, see the following Lenovo website: http://www.lenovofs.com...

  • Page 30

    Flex System Interoperability Guide http://lenovopress.com/fsig Power Configurator https://support.lenovo.com/documents/LNVO-PWRCONF Flex System Enterprise Chassis Power Requirements Guide https://support.lenovo.com/documents/LNVO-POWINF Lenovo Flex System Products and Technology , SG24-8255 http://lenovopress.com/sg248255 IBM System Storage® Interoperation Center http://www.ibm.com/systems/support/storage/ssic Related product families Product families related to this document are the following:...

  • Page 31

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 32

    Trademarks Lenovo, the Lenovo logo, and For Those Who Do are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. A current list of Lenovo trademarks is available on the Web at http://www3.lenovo.com/us/en/legal/copytrade/. The following terms are trademarks of Lenovo in the United States, other countries, or both: BladeCenter®...

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