Hyperflex Replication Factor 2 or 3 ?

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

Keep on dreaming…

I have a dream…. Which manager wasn’t dreaming about your IT sitting on a beach and the Data center would be completed automated without any human errors ? I believe this is the future. But aren’t we saying this for about 25 years right now. Each year, month, week, day there are innovations that makes our … Read more

ALL FLASH-ing Hyperflex

Hyperflex is a Hyper Converged Infrastructure solution and now Cisco announced the next gen of it ! Hyperflex with ALL FLASH. Features All the best features of the hybrid Hyperflex system, are also in the new All Flash system. See my blog : Top Features of Hyperflex And because the Log Structured file system is optimized … Read more

Testing Cisco Hyperflex Auto Healing

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

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

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

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

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

Really ? 37 minutes to install Cisco Hyperflex ?

Configuring the FI / UCS Manager

This week I went to a customer to install Hyperflex HX240 cluster with 4 nodes. Everything was already racked and stacked.

Hyperflex FI configuration
Hyperflex FI configuration

The first step is to configure the FI’s with ip addresses and a password. Just connect a console cable to the FI and your laptop. It’s easier to setup the FI-A and when the setup is finished then power on the FI-B. The procedure to setup a FI-B  is already described at : http://dcccie.joostvandermade.com/?p=25 

 

 

 

 

You should have the correct Firmware for the FI’s. Via the CLI or GUI you can upgrade the FI to the correct firmware. I prefer GUI although via CLI is also very easy. You can find the Dependencies int the Release Notes of Hyperflex

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