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Tag: iops

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Vitalii Feshchenko
  • Vitalii Feshchenko
  • May 14, 2024

Shopping for SSDs? Here are several tips to help you make a right choice

What should you ask yourself when choosing SSDs? The price is not the only factor. How much IOPS can it squeeze? How long will it last? Check out here! 
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Vladan Seget
  • Vladan Seget
  • November 10, 2020

Storage Performance Tester VMware Fling

Storage performance testing isn’t something one should take lightly, and VMware admins know this like any other. There are way too many tools to choose from, and you have no guarantee that you will get what you need. Or, at least, it used to be so, until VMware has released a new tool, Storage Performance Tester.
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Dmytro Khomenko
  • Dmytro Khomenko
  • December 4, 2019

It’s NVMe time! How StarWind makes it possible to present true performance of PCIe SSDs over the network

iSCSI and Fiber Channel have proven themselves as reliable partners of mission-critical operations over the last two decades, true. However, despite iSCSI’s praise, it can’t properly talk to flash, thereby hindering you from achieving the performance SSDs truly promise. Fortunately, we’ve been working really hard to resolve that mishap, and we’ve finally nailed it!
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Alex Samoylenko
  • Alex Samoylenko
  • September 10, 2019

Testing storage and setting the workload pattern quickly with IOBlazer

Keeping your storage up to date is a necessary action one takes to ensure the efficiency of overall infrastructure performance. However, manual handling of such matters as testing storage or setting the workload pattern can be rather tedious to conduct. Or at least it was until the IOBlazer utility kicked in!
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Dmytro Khomenko
  • Dmytro Khomenko
  • February 7, 2018

Full throttling your storage performance with P3700 Intel NVMe

The most important part of any server infrastructure is the performance of the underlying storage which creates a direct dependency on the performance of the mission-critical applications. With all the available options for selecting the highest-performing underlying storage for your host taken into account, as well as the consideration of a lot of finger pointing once a storage array doesn’t perform according to plan, the responsibility involved makes the decision even more difficult than it seems.
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Taras Shved
  • Taras Shved
  • December 27, 2017

Intel SPDK NVMe-oF Target Performance Tuning. Part 2: Preparing testing environment

In the previous article, I’ve described 3 scenarios for testing NVMe-oF performance and skimmed through their hardware and software configuration. Again, what I wanna do, is measure how virtualization influences the NVMe-oF performance (maybe, it doesn’t at all). For this, I’m gonna examine how NVMe-oF performs on a bare metal configuration, and on an infrastructure with Hyper-V and ESXi deployed. In each case, I’ll also evaluate the performance of iSER transport using LIO and SPDK iSCSI. Now that you have the overall understanding of the project, it’s time to move on to configuring our testing environment.
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Taras Shved
  • Taras Shved
  • December 20, 2017

Intel SPDK NVMe over Fabrics [NVMe-oF] Target Performance Tuning. Part 1: Jump into the fire©

There’s a common opinion that the performance in general and IOPS-intensive performance like NVMe over Fabrics is usually lower in virtualized environments due to the hypervisor overhead. Therefore, I’ve decided to run a series of tests to prove or knock down this belief. For this purpose, I’ll have three scenarios for measuring the performance of NVMe over Fabrics in different infrastructures: fist – on a bare metal configuration, second – with Microsoft Hyper-V deployed on the client server, and finally, with ESXi 6.5.
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Didier Van Hoye
  • Didier Van Hoye
  • November 21, 2017

Take a look at Storage QoS Policies in Windows Server 2016

In Windows Server 2016 Microsoft introduced storage Quality of Service (QoS) policies.  Previously in Windows Server 2012 R2, we could set minimum and maximum IOPS individually virtual hard disk but this was limited even if you could automate it with PowerShell. The maximum was enforced but the minimum not. That only logged a warning if it could be delivered and it took automation that went beyond what was practical for many administrators when it needed to be done at scale. While it was helpful and I used it in certain scenarios it needed to mature to deliver real value and offer storage QoS in environments where cost-effective, highly available storage was used that often doesn’t include native QoS capabilities for use with Hyper-V.
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Alex Khorolets
  • Alex Khorolets
  • November 14, 2017

StarWind iSER technology support

In the modern IT world, almost every tech guy, no matter a systems administrator or an engineer, wants his environment to show the best results that can be squeezed out of the hardware. In this article, I want you to take a look at the StarWind support of an iSER technology which stands for the iSCSI Extensions for RDMA. There’s not much of a change in the overall system configuration. iSER is utilizing the common iSCSI protocol by using the RDMA transport service that can be used on some network adapters with hardware offload capability. This means that iSER can supply higher bandwidth, intended for large transfers of block storage data.
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