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VMware vSphere
Posted by Dmytro Malynka on June 5, 2018
Forget about disasters sabotaging your IT environment thanks to stretched clustering

These days, businesses do not stick to one location anymore. Such trend pushes companies to build stretched clusters, IT infrastructures spanned across several locations. Such approach enables them to implement better disaster recovery strategies and achieve higher performance. To build such environments, you need fast connection and the solution to use resources of all your remote sites just as they were located in one place. Here, StarWind Virtual SAN comes into play – the solution for building high performing active-active replicated shared storage.

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Posted by Vitalii Feshchenko on May 24, 2018
How to Perform Check Disk on Cluster Shared Volume on StarWind VSAN

Sometimes, you can see an error in Failover Cluster Manager as “Chkdsk scan needed on volume”. It might happen due to some potential problems on a disk. To fix the issue, the system advices you to run a Chkdsk which is the well-known command for every system administrator.

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Posted by Boris Yurchenko on February 20, 2018
Don’t break your fingers with hundreds of clicks – automate Windows iSCSI connections

If you have a single environment with only several iSCSI targets discovered from a couple of target portals, messing with automation may not be worth it. Yet, if you have multiple environments with a bunch of portals and targets that need to be discovered and connected, and all of them are more or less similar in terms of configuration, you might find your resort in automating the whole process. I hope to post some other automation things here, so tune in and check the StarWind blog from time to time.

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Posted by Vitalii Feshchenko on February 1, 2018
The main features of 2016 Failover Cluster

In our support work very often we face different environments. They can range from three VMs to a hundred of those, with the number of nodes from two to ten. Today, I will tell you about the main features of Failover Cluster 2016, which are applicable to any environment.

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Posted by Boris Yurchenko on January 11, 2018
Cluster Rolling Upgrade from Windows Server 2012 R2 to Windows Server 2016

During its lifetime, any system reaches a point when it needs to be upgraded, either in terms of hardware or software. Today, I will talk about such changes, in particular, about upgrading Windows Failover Cluster nodes from Windows Server 2012 R2 to Windows Server 2016 with no production interruption. Thanks to Microsoft, we do have a Cluster Rolling Upgrade procedure at our fingertips, and I am going to get through it and confirm it works for virtualized disks as cluster shared volumes in Windows Failover Cluster. This procedure assumes rebuilding nodes with clean OS deployment one by one, while the production keeps running from the other cluster node.

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Posted by Ivan Ischenko on January 4, 2018
Improve your Cluster Shared Volume security with Microsoft BitLocker

Nowadays, every company is doing its best to protect its data, which is pretty much its most valuable asset. As you know, data is vulnerable to unauthorized access and that’s when Microsoft BitLocker saves the day. BitLocker is the encryption technology from Microsoft, which makes possible to encrypt the Logical Volume on the transparent blade-based level (not physical disk). In this article, we will see how to encrypt Cluster Shared Volume (CSV) using Microsoft BitLocker to protect your data against unauthorized access.

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Posted by Ivan Talaichuk on December 6, 2017
High-performing and highly available Scale-Out File Server with SMB3

There’s, probably, no IT administrator who hasn’t heard of SMB3 (Server Message Block). is an application-layer network protocol, developed by Microsoft mostly to provide shared access to the files, and allowing communication between nodes. SMB has been designed as a tool for the creation of a DOS-based network file system, but Microsoft took the initiative and renamed SMB into CIFS later on (Common Internet File System) and continued further developing it. The second version – SMB 2.0, has been introduced in Windows Vista with a wide range of new features, thus it became clear that Microsoft was working hard to improve this protocol.

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Posted by Didier Van Hoye on 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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Posted by Vladislav Karaiev on February 17, 2017
Storage HA on the Cheap: Fixing Synology DiskStation flaky Performance with StarWind Free. Part 3 (Failover Duration)

We are continuing our set of articles dedicated to Synology’s DS916+ mid-range NAS units. Remember we don’t dispute the fact that Synology is capable of delivering a great set of NAS features. Instead of this, we are conducting a number of tests on a pair of DS916+ units to define if they can be utilized as a general-use primary production storage. In Part 1 we have tested the performance of DS916+ in different configurations and determined how to significantly increase the performance of a “dual” DS916+ setup by replacing the native Synology DSM HA Cluster with StarWind Virtual SAN Free.

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Posted by Romain Serre on October 25, 2016
Deploy VM Fleet to benchmark your storage system

VM Fleet is a collection of scripts that enables to deploy virtual machines which perform I/O to stress the underlying storage system. To achieve I/O, the VMs leverages DiskSpd which is a Microsoft tool.

When you implement an infrastructure based on Hyper-V, you usually want to get the maximum IOPS and MB/s that your storage can deliver. This tool helps you to get this information by stressing your storage. In this topic, we will see how to deploy a VM Fleet to benchmark the storage system.

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