Boost User Experience While Doubling Number of Desktops
Optimize Return on Investment
Industry Leading Components used for All-Flash Virtual SAN
How is VMware Virtual SAN All Flash Storage Used in the Enterprise?
VSAN All Flash Storage allows users to:
This all flash Virtual SAN Ready Node solution features new 12Gb/s SAS RAID controllers, SanDisk® 12Gb/s SAS SSDs, and Dell’s PowerEdge 13G family, which improves performance up to 50% over other platforms. This combination of hardware delivers a powerful, scalable storage solution for VSAN environments.
Network connectivity is provided by Arista 7280SE switches, the industry’s first 100GbE Top of Rack switch. Built for storage networks, the 7280SE series provides a combination of deep buffers, up to 72 10GbE ports and an extensive list of features.
VMware Virtual SAN software provides the software-defined storage tier for VMware vSphere environments. VMware Virtual SAN is a hypervisor converged storage solution that creates a flash optimized, highly resilient shared datastore. It optimizes the I/O data path to maximize throughput and minimize latency. Also, because it is embedded within the VMware ESXi kernel, Virtual SAN lowers costs and offers superior performance when compared to traditional SANs or external devices.
This solution is built using SanDisk Lightning Gen II 12Gb/s SSDs, which provide sustained performance over a wide range of write intensive, read intensive, and mixed-use applications. With proven endurance and superior reliability, these are ideal for demanding VDI environments.
Figure 1: 750 VM Result with Office Worker – VSI Index Average
Figure 2: 851 VM Result with Task Worker – VSI Index Average
Figure 3: VSAN Reference Architecture
CPU = 2 x Intel Xeon E5-2690 v3 (24 Cores & 48 Threads)
Memory = 384 GB
12G - SAS drive for caching
12G - SAS drive for data
|Disk Controller||Avago 3108 (PERC H730P Mini Controller)|
|Ethernet Switch||2 Arista DCS-7280SE-72-R 10G switches (Used in Pre-GA vSphere 2015 Test Results)|
In the testing, VSAN Observer was used to determine the overall performance of the reference architecture under heavy VDI load. Unsurprisingly, both disk throughput and IOPS increased as the VDI load increased, but the overall solution was able to handle the load and deliver significant performance gains over other architectures. With an average latency of 1ms, IOPS reached a peak threshold of 18k. The maximum throughput was about 100KB/s. There was no memory congestion throughout these tests.
The VSAN all flash reference architecture is able to deliver significantly higher performance for virtual desktop deployments than legacy disk based solutions. This solution is able to support not only a significantly higher number of virtual desktops, but each individual desktop is able to operate with higher performance to deliver a superior user experience.
1. IDC, U.S. and Worldwide Server Installed Base 2007–2011 Forecast, Doc #207044, May 2007
2. IDC, Virtualization and Multicore Innovations Disrupt The Worldwide Server Market, Doc #206035, March 2007
3. Source: VMware
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