simplivity

Testing Cisco Hyperflex Auto Healing

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Let’s break the Hyperflex system ! In the lab there is a 5 node Hyperflex cluster up and running. Everything is healthy and the system is almost for 60% filled, so that is closer to a real test then a lab test. There are several ways to break the cluster and I choose the easiest … Read more

Top Feature of Cisco Hyperflex

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Auto Healing ! Hyperflex is cool and I really like this feature. Not only on Powerpoint, but also how it’s working. You have to ask yourself : How can a system heal itself ? Doesn’t a RAID controller do that for storage ? Why change that into something completely different? How does it work ? … Read more

Healing a Cisco Hyperflex HDD Failure

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Is your Hyperflex system failing ? Powerpoints are nice selling tools, and I like to test all kinda things before I believe it ! So why not test a healthy Hyperflex System and remove a HDD ? When the system notice there is a HDD missing or corrupt, it will kick in self healing in … Read more

Howto : Hyperflex 1.8 Cluster Expansion

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Expanding Cisco Hyperflex 1.8 Cluster Expanding a Cisco Hyperflex cluster (Hyper Converged Infrastructure) with a Cisco HX Server is very, very easy ! Make sure that you export the JSON file after the Hyperflex installation. This will makes life way easier ! Just use that file, fill in some credentials and wait about 30 minutes. … Read more

Storage is Dead! Long live Storage.

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We all need storage and we need a lot!
PBStorage

Back in the early days I started with WordPerfect 4.0 (1984). If you typed “Hello World!” it was about 80 bytes. If you now a days type “Hello World!” in Word 2016, it’s 12 Kb. This seems not much, but there is way more overhead in the file then 20+ years ago.

Files are getting bigger and bigger, 4K video is around the corner and we want to have data of every device we connect to the internet. Loads of Storage is also used for the visualized servers.
SAN, NAS are “old” technologies which a lot of companies are using for ages. Sometimes it can be complicated and that’s why there are “Storage Experts“.

Converged Infrastructure was the first step into a new direction. Compute, Network, Storage and hyper-visors have good adhesion between the vendors and most of the time it’s automated.

Hyper-convergence is not only a buzz-word since last year, it’s growing.

Here are 5 reasons to choose for a Hyper Converged Infrastructure :

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Simplivity OmniStack installation

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We got a demo unit of Simplivity and some documentation, but unfortunally that documentation isn’t very clear. Maybe the docs at the site are good, but I don’t have access to that. After some time spending with support I created this article just for my own knowledge.

Here are the requirements before doing the steps below :

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