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Configuring Hyperflex 2.5 Replication

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There are many cool HX 2.5 features and one of them is native replication. But how do you configure this ? Well. Let’s start. What is Hyperflex replication ? It is possible to replicate VM’s from one Hyperflex Cluster to another Hyperflex cluster. In case of a disaster, you can (manually) start the replicated VM’s … Read more

Hyperflex Replication Factor 2 or 3 ?

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More capacity or higher availability. That is the Hyperflex Replication Factor Question. Hyperflex Replication Factor ? A replication factor (RF) is the number of copies that the Hyperflex system writes the storage block.  There are two options : A RF of 2 or a RF of 3. The default setting during installation of the Hyperflex … Read more

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

Easy install of Hyperflex 1.8.1c

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Hyperflex 1.8.1c installation Cisco Hyperflex Hyper converged (HCI) solution is getting easier and easier ! Before installing the only thing you will have to do is to download the Hyperflex 1.8 installer software from http://www.cisco.com/go/software The Fabric Interconnect and servers are already with the correct version of the needed software. The hyperflex 1.8 installer is an … 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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