Software-Defined Storage (SDS)

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Software-Defined Storage (SDS)
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Table of Contents

• Software
• Storage Area Network
• Software-defined Storage (SDS)
• Server Operating System
• Specifics Delivered by SDS

• Key Features of SDS
• Types of SDS
• Benefits of SDS
• Outcome of a Move to SDS

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Software

• A set of programs (sequence of instructions)
  designed for the purpose of carrying out a
  well-defined function is called a software.
  Software can be of two types, application
  software and system software.

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Storage Area Network

• A high-speed network that is used at the block
  level for providing access to data storage is
  referred to as a SAN (Storage Area Network). With
  its aid servers are connected to storage devices,
  such as RAID hardware, tape libraries and disk
  arrays.
• Any simple SAN consists of a SAN switch, a
  server, a storage device, SAN management software
  and cables that are used to connect the various
  components. Usually a SAN will use various
  switches, servers and storage devices. Bridges,
  routers and gateways are also included for the
  purpose of extending SAN over wide areas. The
  topology of SAN is based on the requirements of
  an organization.

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Software-defined Storage (SDS)

• An SDS (Software-defined Storage) refers to a
  storage architecture that aims to separate
  storage hardware from the software that is used
  to manage it. Every SAN (Storage Area Network)
  or NAS (Network-attached Storage) device that
  exists inside a data center is unified and
  managed by a software-defined storage. SDS, which
  is developed as an industry standard, helps to
  ensure enterprise-level functionality. It can run
  on either virtual machines or on the server
  operating system and does not depend on
  proprietary software or hardware.

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1-800-123 -8156

• Whoa! Thats a big number, arent you
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Server Operating System

• A server operating system (server OS) refers to a
  type of operating system that has been designed
  specifically for the purpose of running on
  servers that function in a client/server
  architecture in order to serve a networks client
  computers requests.
• In the context of servers, let us digress and
  touch upon briefly the topic of web servers,
  which are provided by web hosting companies for
  storing, processing and delivering web contents.
  Web hosting companies provide all the necessary
  services for making websites accessible. Terms
  such as Linux Dedicated Hosting, Windows
  Dedicated Hosting and Linux Shared Hosting
  refer to some of the various types of web hosting
  services.

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Specifics Delivered by SDS

• Usually a software-defined storage provides the
  following-
• Standard Interfaces
• Scalability
• Automation
• Transparency
• Virtualized data path

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Key Features of SDS

• The main features of an SDS are mentioned below.
• Automation
• Virtualization
• Flexibility
• Scalability
• Interoperability
• Enhanced storage performance
• Lower upfront costs

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Types of SDS

• The main types of SDS that exist are as follows-
• Container-based
• Hypervisor-based
• Distributed file systems meant for object storage
  offload
• HCI software
• Scale-out storage for data that is unstructured

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Benefits of SDS

• The major benefits of an SDS are mentioned below.
• Freedom with regard to the choice of hardware
  which runs storage services
• Automated adjustments that depend on capacity
  requirements
• Creation of storage infrastructure by combining
  data sources
• Cost-efficiency and scalability
• Freedom from hardware vendor lock-in

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Outcome of a Move to SDS

• A move to a software-defined storage results in
  the following-
• Enhanced efficiency for businesses
• Improved visibility
• Data center automation

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