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VMware Software-Defined Storage A Design Guide to the Policy-Driven, Software-Defined Storage Era von Hosken, Martin (eBook)

  • Erscheinungsdatum: 11.08.2016
  • Verlag: Sybex
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VMware Software-Defined Storage

The inside guide to the next generation of data storage technology VMware Software-Defined Storage, A Guide to the Policy Driven, Software-Defined Storage Era presents the most in-depth look at VMware's next-generation storage technology to help solutions architects and operational teams maximize quality storage design. Written by a double VMware Certified Design Expert, this book delves into the design factors and capabilities of Virtual SAN and Virtual Volumes to provide a uniquely detailed examination of the software-defined storage model. Storage-as-a-Service (STaaS) is discussed in terms of deployment through VMware technology, with insight into the provisioning of storage resources and operational management, while legacy storage and storage protocol concepts provide context and demonstrate how Virtual SAN and Virtual Volumes are meeting traditional challenges. The discussion on architecture emphasizes the economies of storage alongside specific design factors for next-generation VMware based storage solutions, and is followed by an example in which a solution is created based on the preferred option identified from a selection of cross-site design options. Storage hardware lifecycle management is an ongoing challenge for IT organizations and service providers. VMware is addressing these challenges through the software-defined storage model and Virtual SAN and Virtual Volumes technologies; this book provides unprecedented detail and expert guidance on the future of storage. Understand the architectural design factors of VMware-based storage Learn best practices for Virtual SAN stretched architecture implementation Deploy STaaS through vRealize Automation and vRealize Orchestrator Meet traditional storage challenges with next-generation storage technology
Virtual SAN and Virtual Volumes are leading the way in efficiency, automation, and simplification, while maintaining enterprise-class features and performance. As organizations around the world are looking to cut costs without sacrificing performance, availability, or scalability, VMware-based next-generation storage solutions are the ideal platform for tomorrow's virtual infrastructure. VMware Software-Defined Storage provides detailed, practical guidance on the model that is set to transform all aspects of vSphere data center storage.


    Format: ePUB
    Kopierschutz: AdobeDRM
    Seitenzahl: 552
    Erscheinungsdatum: 11.08.2016
    Sprache: Englisch
    ISBN: 9781119292784
    Verlag: Sybex
    Größe: 30094 kBytes
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VMware Software-Defined Storage

Chapter 1
Software-Defined Storage Design

VMware is the global leader in providing virtualization solutions. The VMware ESXi software provides a hypervisor platform that abstracts CPU, memory, and storage resources to run multiple virtual machines concurrently on the same physical server.

To successfully design a virtual infrastructure, other products are required in addition to the hypervisor, in order to manage, monitor, automate, and secure the environment. Fortunately, VMware also provides many of the products required to design an end-to-end solution, and to develop an infrastructure that is software driven, as opposed to hardware driven. This is commonly described as the software-defined data center (SDDC), illustrated in Figure 1.1 .

Figure 1.1 Software-defined data center conceptual model

The SDDC is not a single product sold by VMware or anyone else. It is an approach whereby management and orchestration tools are configured to manage, monitor, and operationalize the entire infrastructure. This might include products such as vSphere, NSX, vRealize Automation, vRealize Operations Manager, and Virtual SAN from VMware, but it could also include solutions such as VMware Integrated OpenStack, CloudStack, or any custom cloud-management solution that can deliver the required platform management and orchestration capabilities.

The primary aim of the SDDC is to decouple the infrastructure from its underlying hardware, in order to allow software to take advantage of the physical network, server, and storage. This makes the SDDC location-independent, and as such, it may be housed in a single physical data center, span multiple private data centers, or even extend into hybrid and public cloud facilities.

From the end user's perspective, applications that are delivered from an SDDC are consumed in exactly the same way as they otherwise would be-through mobile, desktop, and virtual desktop interfaces-from anywhere, any time, with any device.

However, with the SDDC infrastructure decoupled from the physical hardware, the operational model of a virtual machine-with on-demand provisioning, isolation, mobility, speed, and agility-can be replicated for the entire data-center environment (including networking and storage), with complete visibility, security, and scale.

The overall aim is that an SDDC can be achieved with the customer's existing physical infrastructure, and also provide the flexibility for added capacity and new deployments.
Software-Defined Compute

In this book, software-defined compute refers to the compute virtualization of the x 86 architecture. What is virtualization ? If you don't know the answer to this question, you're probably reading the wrong book, but in any case, let's make sure we're on the same page.

In the IT industry, the term virtualization can refer to various technologies. However, from a VMware perspective, virtualization is the technique used for abstracting the physical hardware away from the operating system. This technique allows multiple guest operating systems (logical servers or desktops) to run concurrently on a single physical server. This allows these logical servers to become a portable virtual compute resource, called virtual machines . Each virtual machine runs its own guest operating system and applications in an isolated manner.

Compute virtualization is achieved by a hypervisor layer, which exists between the hardware of the physical server and the virtual machines. The hypervisor is used to provide hardware resources, such as CPU, memory, and network to all the virtual machines running on that physical host. A physical server can run numerous virtual machines, depending on the hardware resources available.

Although a virtual machine is a logical entity, to its operating syst

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