With 75% of server workloads being virtualized, virtualization is just getting started. VDI and SMB clouds have been growing rapidly during the last several years and still continue to. As IT is moving forward at an ever increasing pace, datacenters are becoming hyper-converged.

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Problem of Expensive Dedicated Storage Hardware

  • Dedicated storage hardware is very expensive because it’s a dedicated server or more often a proprietary piece of equipment. Its upgrade and scalability options are very limited. Hardware storage also introduces significant OpEx increase over time: with every new hardware release vendors increase the service contract prices for legacy hardware support and even cease support for some hardware and announce its EOL (End Of Life) forcing customers to buy brand new hardware, even if the old one still worked fine for them.
  • Any dedicated storage solution adds fabric latency to all I/O operations. Even with high-performance 16/32 Gigabit Fiber Channel or 10/40 Gigabit Ethernet in place, every processed block makes a comparably big number of network hops until it reaches the actual disk.
  • Specially trained staff is required to manage hardware storage solutions. This does not play well with SMBs where there are no storage teams and at times the whole IT infrastructure is managed by one person.

Converged architecture has many drawbacks, including complexity, high cost and high I/O latency


HyperConverged Solution from StarWind

StarWind Virtual SAN is a pure software defined storage platform which eliminates the need for expensive dedicated storage hardware. StarWind Virtual SAN achieves this by installing the software on the same hardware as the hypervisor, be it Hyper-V, vSphere, or XenServer. VSAN leverages all benefits of the local storage like high performance and minimal latency. It is achieved by bonding all I/O to the local hypervisor node. This provides multiple benefits compared to a dedicated hardware solution:

  • Hypervisor reads from local storage only. High speed synchronization network links are used to replicate writes to the partner hypervisor nodes cache.
  • Cache is local, so the performance gain is much better compared to cache sitting behind slow network.
  • Hypervisor nodes don’t fight for LUN ownership, which increases performance and eliminates unnecessary iSCSI lock overhead.

Hyperconverged architecture optimizes hardware usage and accelerates performance


Complete the Hyper-converged Datacenter Puzzle with Virtual SAN

  • No expensive dedicated hardware is necessary: Storage is now a part of each hypervisor. Since Virtual SAN is hardware agnostic, customers can upgrade the hardware when they need it, not when they’re forced to do so. The support price remains static, allowing for stable OpEx and lower CapEx.
  • Also, I/O is never bottlenecked on its way to the storage. VSAN binds hypervisor I/O to local storage which gives outstanding performance and takes full advantage of Virtual SAN’s high performance caching.
  • Additionally, any system administrator can work with VSAN since it`s an easy and intuitive application, customers can get their virtualized environment up and running within seconds.

StarWind gets praise for its solution's high level of customization in the 2019 Magic Quadrant for HCI

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