How to Configure LUN Masking with Openfiler 2.99 and ESXi 4.1


This is a duplicate post on this blog but for good reason. I’m back home for vacation and my on-ramp to the interwebs is finally high speed DSL and more reliable than when I first posted several months ago. Therefore, I’m able to include my original screenshots with this post. I had to remove the screenshots in the first post because they wouldn’t upload. I hope this post will give you that visual aid that’s so helpful in walkthroughs.

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How to Configure LUN Masking with Openfiler 2.99 and ESXi 4.1


Note: If you’d like to see screenshots for this article, check out this other post.

I’ve been building a test environment to play with vSphere 4.1 before we begin our implementation. In order to experiment with the enterprise features of vSphere I needed shared storage between my ESXi hosts. As always, I turned to Openfiler. Now, I’ve deployed Openfiler before, but it was just one ESXi host and a single LUN. It was easy. There were plenty of good walkthroughs on how to set this up in such a way. But using the Google-izer, I couldn’t find a single page that explained how to configure Openfiler for shared storage between multiple hosts. When I finally got it working, I felt accomplished and decided to document the process for future reference. Maybe someone out there will find it useful, too.

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