A little about Disk write cache on Windows VM
Posted by Bogdan Savchenko on March 9, 2017
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Introduction

There are lots of great materials on optimization of virtualized environments that I think many of you will enjoy reading about. Such topics are all over the IT community and they cover a wide range of the technical questions. This article will focus on the matter which is not quite clear yet, especially when it comes from theory to practice. It’s about Windows Disk write cache feature and its implications for data consistency and performance of the virtual hard drives.

Test VM settings

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Storage HA on the Cheap: Fixing Synology DiskStation flaky Performance with StarWind Free. Part 2 (Log-Structured File System)
Posted by Alex Bykovskyi on February 13, 2017
5/5 (3)

Introduction

In this article, we are going to continue testing Synology DS916+ with StarWind Virtual SAN. Our main goal today is to improve the performance of Synology boxes specifically on random patterns. Randoms were chosen for a reason. SQL and OLTP workloads tend to cause huge stress, especially, to spindle arrays, generating a heavily randomized I/O. Patterns we are choosing for today’s benchmark are common for such environments. There are different approaches, which can handle these workload types, such as caching and tiering. Our approach is to build environment with StarWind Log-Structured File System. LSFS was created exactly for this type of environments to improve the performance.

We will compare the results we receive to the ones from Part 1 of our research.

Synology DS916+ StarWind

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