Software-Defined Storage (SDS)
VMware’s Software-Defined Storage (SDS) strategy is to evolve storage architectures through the pervasive hypervisor, bringing to storage the simplicity, efficiency, and cost-savings that server virtualization brought to compute. Software-Defined Storage abstracts the underlying storage through a virtual data plane, making the VM, and thus the application, the fundamental unit of storage provisioning and management across heterogeneous storage systems. By creating a flexible separation between applications and available resources, the hypervisor can balance all IT resources—compute, memory, storage and networking—needed by an application.
VMware’s Software-Defined Storage solutions enhance today’s data center by delivering:
- Per-application storage services: SDS applies at the VM level, allowing storage services to be tailored to the precise requirements of an application and adjusted as needed on a per-application basis, without affecting neighboring applications. Administrators are in complete control of which storage services, and therefore costs, are consumed by which application.
- Rapid changes to storage infrastructure: SDS uses a dynamic and non-disruptive model, just as in compute virtualization. IT admins can precisely match application demand and supply at the exact time the resources are needed. Storage services become fluid—a little more for this application now, a little less for that one later.
- Heterogeneous storage support: SDS lets you leverage existing storage solutions, such as SAN and NAS, or direct attached storage on x86 industry-standard hardware. With industry standard servers, the backbone of Hyper-Converged Infrastructure, IT organizations can design low-cost and scalable storage environments that easily adjust to specific and ever-changing storage needs.
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