The best free for commercial use RAM Disk that works perfectly with Desktop Virtualisation

For context, a RAM Disk provides fast I/O (read and write) performance, faster than SSDs (Solid State Drives), with wider bandwidth and much lower latencies.

There are plenty of free and paid options for RAM Disk software available. This article is not about finding the fastest RAM Disk software available, so I haven’t gone out and benchmarked a range of products. My goal was to find the best “free for commercial use” RAM Disk software that works well and meets a list of requirements as laid out below. So I won’t be adding screen shots of output from tools like CrystalDiskMark, etc.

What is the best free for commercial use RAM Disk I hear you ask? The answer is Arsenal Image Mounter (AIM), from Arsenal Recon, which was developed by the legendary Olof Lagerkvist of ImDisk Toolkit fame.

Arsenal Image Mounter (AIM)

Okay, so I gave away the secret early in this article. But now I’m going to take you on a journey of how I got there, the use cases, the challenges, and the PowerShell scripts I used to deploy and create it.

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The Citrix PVS Target Device Driver is a SCSI Adapter Bully

Working on a Citrix upgrade project a few years ago I was continually getting a blue screen when a Citrix PVS image booted. The symptom was obvious during the boot process. It was as if there were two NICs or the image was trying to load twice. PVS write-cache was also incorrectly being redirected to the server.

PVS Target Agent Blue Screen Symptoms

I checked and rechecked all the obvious suspects, such as ghosted NICs and other devices, old DHCP information, antivirus, etc. Everything looked good. It really did not make a lot of sense. I then stripped all the apps and tools out of the build and it worked! So what was I doing wrong?

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