In the meantime, heres a look at a few of the leaders in softwaredefined methodologies. Externalcontroller based arrays include storage virtualization to manage usage and access across the drives. Software defined storage sds is a marketing term for computer data storage software for policybased provisioning and management of data storage independent of the underlying hardware. Ive previously mentioned that i spend a lot of time on spiceworks an smb focused community of end users. Emc are calling vipr the first software defined storage platform. What are some of the differences between storage virtualization and software defined storage. Types of software defined storage products and major vendors software defined storage can be difficult to categorize due to the lack of a standard definition.
Software defined storage refers to the use of storage virtualization and policybased provisioning techniques to ensure that data storage is done in a costoptimized and performanceoptimized manner. And idc further noted, enterprise storage spending has already begun to move away from hardwaredefined, dualcontroller array designs. It does this by creating a virtualized software management layer that operates above the storage hardware. Storage virtualization dictionary definition storage. Storage virtualization allows the capacity of many storage devices to be pooled so it looks like all the storage is sitting on one device. The pool can integrate unlike storage hardware from different networks, vendors, or data centers into one logical view and manage them from a single pane of glass. Both solutions software define the infrastructure and abstract storage from the underlying hardware. In other words, theres a software layer sitting between the server usually a vm, but not always, and this software layer provides the server with a different view of the underlying storage than what actually exists in the physical world. One of the resources that will be great for those conversations is a storevirutal vsa technical w. If the control plane and data plane are basically bunched together meaning theres no clearcut separation between them it is not a software defined storage product.
Storage virtualization typically refers to storage abstraction. Softwaredefined storage sds for storage virtualization. Software defined storage sds, which includes storage virtualization, suggests a service interface to provision capacity and slas service level agreements for storage, including performance and durability. Lucky you swap it out, wait until reconstruction is done. According to esgs 2017 european storage trends survey, almost 60% of organisations have begun to deploy or are evaluating software defined storage. Some sources focus on storage virtualization alone, in their definition of what software defined storage means. This enables a softwaredefined storage layer to be placed over existing storage resources that do not have these advanced. The idea was that if you had hardware from two vendors, thered be value in using virtualization software to manage the array and perform common software functions such as snapshots, replication and provisioning. Say you want better storage capacity than raid1 and have no special requirements for write access, there is raid5 waiting. Storage virtualization and software defined storage. On the other hand there is software defined block storage which abstracts from nitty gritty details of hardware. Softwaredefined storage sds is an intelligent virtualization software layer that manages and unifies every storage area network san or networkattached storage nas device inside your data center, while providing enterpriselevel functionality with zero dependence on proprietary hardware. Why you should embrace the softwaredefined data center.
Software defined storage sds, which is related to software defined networking and software defined datacenter, has the potential to. A key takeaway of the wikipedia definition, as well as the trend overall, is that. Software defined storage sds creates a virtualized network of storage resources by separating the control and management software from the underlying hardware infrastructure. Streamline it operations and lower costs by transforming servers, storage, and networking into softwaredefined infrastructure. Softwaredefined storage is sometimes confused with the term storage virtualization, but as an article from crn explains, while the latter term involves separating capacity from specific storage hardware resources and thereby pooling storage devices, sds involves separating the storage capabilities and services from the storage hardware. Softwaredefined storage or hyperconverged infrastructure. Founded in 1998, datacore software was one of the earliest proponents of storage virtualization and software defined storage. Introduction to the software defined data center logical design and benefits of a software defined data center software defined storage storage virtualization virtual data plane policydriven control plane vsphere virtual volumes 3. Softwaredefined storage shifts the hardware layer that provides deduplication, snapshots and replication into the software layer. Mainline recognizes that storage virtualization is a key component of sds, but it alone does not support an evolved sds environment. It enables the applications to read from and write to a single pool of storage rather then in. Virtualization and the softwaredefined data center vmware. Like cloud, everyone has their own slightly different definition of what software defined storage means. Its flagship product is sansymphony, its software defined storage solution, which recently set a new world record for performance and priceperformance on the storage performance councils spc1 benchmark.
The session will delve into the emergence of software defined storage and how its role in software defined data center sddc heavily. Sds replaces static and inefficient hardware with dynamic, agile, and automated solutions. Software defined storage the nextgen storage this session will appeal to development managers, ssytem integrators and data center managers that are seeking a fundamental understanding of sddc and sds \. Storage virtualization is a key building block for a complete sds implementation. On the other hand, a survey by manageengine revealed that several storage admins about 47% of the respondents are not even sure if sds will benefit their storage strategy. Storage virtualization also sometimes called softwaredefined storage or a virtual san is the pooling of multiple physical storage arrays from sans and making.
Management and automation software, enabling an administrator to provision, control, and manage all software defined data center components. Storage virtualization also sometimes called software defined storage or a virtual san is the pooling of multiple physical storage arrays from sans and making them appear as a single virtual storage device. Raid vs software defined block storage server fault. Softwaredefined storage and storage virtualization are often confused. I find myself in a lot of conversations where hpe storevirtual vsa seems like the perfect fit. Improve data center efficiency and empower it operations with policydriven automation that. Softwaredefined storage sds is an intelligent virtualization software layer that manages and unifies every storagearea network san or networkattached. The it industry is an incubator for new technology and new buzzwords. While software defined storage and storage virtualization have different functions, they work in concert.
Just as hypervisors virtualize server hardware for vms, sds virtualizes san and nas hardware as. Not only is this not the first but it barely qualifies for calling itself a software defined storage platform at all. In a software defined data center, all elements of the infrastructure networking, storage, cpu and security are virtualized and delivered. They both run on commodity servers and pair well with virtualization. Treating storage as a single logical entity without regard to the hierarchy of physical media that may be involved or that may change. Software defined storage sds decouples storage software from the underlying storage devices. Software defined storage abstracts the underlying storage through a virtual data plane, making the vm, and thus the application, the fundamental unit of storage. The software enabling a software defined storage environment may. Software defined storage presentation title goes here. Built on x86 servers, the distributed storage platform provides the multiprotocol support you require across block, file, and object storage with native application, hypervisor, container, and cloud integration to consolidation. Separate the management and provisioning of storage from the underlying physical hardware similar to server and network virtualization, with the architecture of softwaredefined storage sds.
A form of softwaredefined everything sdx, storage virtualization is analogous to softwaredefined networking sdn for storage technology. The difference between softwaredefined storage and hyperconverged infrastructure is that sds is the virtualization of storage by separating the control and management software. Stormagic svsan is rated 0, while vmware software defined storage is rated 7. Can you compare softwaredefined storage architecture to. When you look under the covers of software defined storage, youll find a control plane and a data plane. Both sds and storage virtualization involve abstracting something from storage hardware. These tools implement many of the agility and automation advantages of software defined storage sds for use with all hds storage platforms, helping simplify provisioning, enable crossplatform data mobility, and deploy centralized monitoring and policybased.
An sddc softwaredefined data center is a data storage facility in which all infrastructure elements networking, storage, cpu and security are virtualized and delivered as a service. Sds products can be hyperconverged systems engineered and supported as a single. After all, storage virtualization is a well defined term with a meaning that seems to be generally accepted. Most compute workloads today already run on vmware, but most environments are still using classic architectures with shared physical storage, physical networking.
Lets start with software defined storage architecture. Softwaredefined infrastructure solutions hitachi vantara. While that definition may reasonably straight forward, many players in the data storage industry debate the specifics and details of what, exactly, is the true. Its easy to get software defined storage sds confused with hyperconverged infrastructure hci. Wikipedia explains sds is a storage system with software separate from the underlying hardware, capable of providing a data virtualization layer, along with data services and policybased storage system management. Reporters, analysts, vendors and even seasoned it professionals talk about them in the same breath. Software defined storage is part of a larger industry trend that also includes software defined networking sdn, software defined infrastructure and software defined data centers. Software defined storage typically includes a form of storage virtualization to separate the storage hardware from the software that manages it. Storage virtualization is usually implemented via software applications and often used in san storage area network, a highspeed subnetwork of shared storage devices, and makes tasks such as archiving, backup, and recovery easier and faster.
It is the catalyst that is driving disruptive innovation and has led to marketingease such as software defined data centers, software defined storage, software defined networks, and software defined anything. Softwaredefined storage solutions sds software commvault. Storage virtualization is the amalgamation of multiple network storage devices into what appears to be a single storage unit. Tailor your storage environment to your application and data demands through a software defined storage platform. Eliminate it silos and reduce complexity with softwaredefined intelligence. Simplify it with softwaredefined infrastructure solutions. What softwaredefined storage isnt sds is not storage virtualization both sds and storage virtualization involve abstracting something from storage hardware, but the concepts arent the same. The interest around software defined networking sdn has given rise to the term software defined data center sddc, and vendors are also now talking about software defined storage sds. Unleash more value from data and simplify your customers storage environments with software defined storage. Storage virtualization comparison matrix is a sidebyside comparison of similar products. The earliest storage virtualization products essentially offered differing software intelligence to the disk arrays installed at a site. Software defined storage includes such concepts as policydriven storage provisioning and the use of virtual volumes, in which the. Whats the difference between sds and storage virtualization.
The goal of a software defined data center sddc is to enable an organization to leverage standard hardware to reduce costs and leverage intelligent software to increase flexibility by dynamically defining the data center as the needs of the application workloads and the organization change. Storage virtualization and software defined storage youtube. One of the main reasons for the evolution of software defined storage is the necessity to store and process big data. Software management tools from hds help customers more easily manage a mixed environment that includes both older and newer workloads. It focuses on storage virtualization solutions, and looks at 8 of the products in this space.
With more technologies available to abstract the storage layer, how do you compare softwaredefined storage vs. Vmwares software defined storage sds strategy is to evolve storage architectures through the pervasive hypervisor, bringing to storage the simplicity, efficiency, and costsavings that server virtualization brought to compute. Often storage resources are kept on separate networks. While they are similar, it is worth pointing out some key distinctions. When a vendor is discussing software defined storage, it already has a storage virtualization layer included as part of the product. Software defined storage is a storage architecture that uses a layer of software to provision, orchestrate and manage physical data storage capacity on industrystandard servers. First, what storage virtualization is storage virtualization typically refers to storage abstraction. Software defined storage and storage virtualization. The key here is that storage virtualization involves separating capacity from your storage resources to create a pool.
417 349 971 735 991 475 1242 413 1524 211 402 311 1582 1071 1438 390 99 519 1456 278 206 734 1435 785 971 880 1344 1324 354 1375 529 1051 516 701 297 1071 1140 1270 264 694 823 1380 1439 104 843 1211