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  • Reference Architecture for SUSE OpenStack Cloud with ThinkSystem Servers

    Provides both high-value and high-performance options for OpenStack implementations.

    Outlines scalable and highly available OpenStack deployment options.

    Includes recommended configurations for Lenovo ThinkSystem platforms.

    Includes validated and tested deployment and sizing guides.

    Jiang Xiaotong (Lenovo) Jose Betancourt (SUSE)

    Xu Lin (Lenovo) Patrick Quairoli (SUSE)

    Yixuan Huang (Lenovo) Lin Peifeng (SUSE)

    Mike Perks (Lenovo) Bryan Gartner (SUSE)

    Last update: 17 December 2017 Version 1.0

    https://lenovopress.com/updatecheck/LP0825/2008d9347987466735cc8096741343ca

  • ii Reference Architecture for SUSE OpenStack Cloud with ThinkSystem Servers Version 1.0

    Table of Contents 1 Introduction ............................................................................................... 1

    2 Business problem and business value .................................................. 2

    2.1 Business problem .................................................................................................... 2 2.1.1 Enterprise private cloud ............................................................................................................... 2 2.1.2 MSPs and CSPs .......................................................................................................................... 2

    2.2 Business value ......................................................................................................... 2 2.2.1 Enterprise IaaS Private Cloud customers ................................................................................... 3 2.2.2 MSPs and CSPs .......................................................................................................................... 3

    3 Requirements ............................................................................................ 4

    3.1 Functional requirements .......................................................................................... 4

    3.2 Non-functional requirements .................................................................................... 4

    4 Architectural overview ............................................................................. 6

    5 Component model .................................................................................... 8

    5.1 OpenStack components ........................................................................................... 8

    5.2 SUSE OpenStack Cloud components .................................................................... 11

    6 Operational model .................................................................................. 12

    6.1 Hardware ............................................................................................................... 15 6.1.1 Rack servers introduction .......................................................................................................... 15 6.1.2 Network switches introduction ................................................................................................... 16

    6.2 Control Plane Nodes .............................................................................................. 18

    6.3 Compute Nodes ..................................................................................................... 19

    6.4 Storage Nodes ....................................................................................................... 20

    6.5 Networking ............................................................................................................. 21

    6.6 System management ............................................................................................. 24 6.6.1 Lenovo XClarity ......................................................................................................................... 24 6.6.2 Subscription Management Tool (SMT) for SUSE Linux Enterprise ........................................... 25 6.6.3 SUSE Manager .......................................................................................................................... 26 6.6.4 SUSE OpenStack Cloud Admin ................................................................................................. 26

  • iii Reference Architecture for SUSE OpenStack Cloud with ThinkSystem Servers Version 1.0

    6.7 Deployment example ............................................................................................. 27

    7 Deployment considerations ................................................................... 28

    7.1 Preparation ............................................................................................................ 28

    7.2 Server configuration ............................................................................................... 28

    7.3 Performance and sizing considerations ................................................................. 28

    7.4 Best practices of SUSE OpenStack Cloud 7 deployment ...................................... 30

    7.5 Subscription considerations ................................................................................... 31 7.5.1 SUSE subscription model .......................................................................................................... 31 7.5.2 SUSE OpenStack Cloud Admin plus Control Node ................................................................... 31 7.5.3 SUSE OpenStack Compute Node ............................................................................................. 31 7.5.4 SUSE Enterprise Storage .......................................................................................................... 32 7.5.5 Sample subscription .................................................................................................................. 32

    8 Appendix: Lenovo Bill of Materials ....................................................... 33

    8.1 Server BOM ........................................................................................................... 33 8.1.1 Administration server ................................................................................................................. 33 8.1.2 Controller node .......................................................................................................................... 33 8.1.3 Compute node (with local storage) ............................................................................................ 34 8.1.4 Storage node ............................................................................................................................. 34

    8.2 Networking BOM .................................................................................................... 35 8.2.1 G7028 1GbE switch ................................................................................................................... 35 8.2.2 NE1032 10GbE switch .............................................................................................................. 35 8.2.3 G8272 10 GbE (with 40 Gb uplink) switch ................................................................................ 35

    8.3 Rack BOM.............................................................................................................. 35

    Resources ..................................................................................................... 36

  • 1 Reference Architecture for SUSE OpenStack Cloud with ThinkSystem Servers Version 1.0

    1 Introduction This document describes the Lenovo® reference architecture for SUSE OpenStack Cloud 7 integrated with SUSE Linux Enterprise Server. The intended audience of this document is IT professionals, technical architects, sales engineers, and consultants who assist in planning, designing, and implementing SUSE OpenStack Cloud with Lenovo ThinkSystem™ products. This solution is targeted to managed service providers (MSPs), cloud service providers (CSPs), and customers who require a highly available, enterprise- quality private Infrastructure as a Service (IaaS) cloud. This reference architecture outlines configurations for Lenovo ThinkSystem servers in highly available deployment models. Recommendations are provided for scaling Compute or Storage Nodes based on virtualization capacity from low-density to high-density configurations.

    The Lenovo hardware provides an ideal infrastructure solution for cloud deployments and spans a broad spectrum of Intel-based servers, including the ThinkSystem™, System x®, Flex System™, NeXtScale System™ product lines, as well as data center network switches that are designed specifically for robust, scale-out servers and converged interconnect fabrics. This hardware portfolio provides the full range of features and functions that are necessary to meet the needs of small businesses all the way up to large enterprises. Lenovo also uses industry standards in systems management on all of these platforms, which enables seamless integration into cloud management tools such as OpenStack.

    Both Lenovo and SUSE have validated the architecture described in this document.

  • 2 Reference Architecture for SUSE OpenStack Cloud with ThinkSystem Servers Version 1.0

    2 Business problem and business value This section describes the business problem of deploying and maintaining an enterprise-grade cloud solution, and how the joint solution of the SUSE OpenStack Cloud software with Lenovo hardware a

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