My Personal Blog
When you have a Cisco Hyperflex cluster and you have enough storage, but you need more CPU or memory, it’s possible to expand the cluster with a compute node only. In this instruction video I will show you the steps. [embedyt] https://www.youtube.com/watch?v=VoSeL_TsEZA[/embedyt] Summary : Assign the Compute-Only service profile to a server. Install the ESXi … Read more
Last year Hyperflex just got one configuration. Right now there are multiple different Hyperflex clusters, with their own limitations. I just updated my Hyperflex Sizing Tool on calculating # Capacity Nodes. Click the link for the Tool ! What’s new ? You can choose between a Replication Factor of 2 or 3. Hyperflex Still the same … Read more
Cisco Hyperflex is getting more and more new features. Right now you can download the HX Data Platform 2.1(1b) software on the cisco.com/go/software site. What are the best features of the software ? Self Encryption Drives One way of protecting your data is to use SED or Self Encryption Drives. Hyperflex support those SED drives … Read more
Why would you install vCenter on a laptop ? When installing Hyperflex vCenter is mandatory. When you only got Hyperflex nodes, you can have the chicken or the egg story ! If you have 4 hyperflex nodes, you can install vCenter on the 4th node and install Hyperflex on the 3 nodes. Then move vCenter … Read more
Everybody can upgrade a Hyperflex cluster ! Changes in Hyperflex 2.0(1a) To have the Hyperflex All Flash working, you will need the Hyperflex 2.0 Data platform. With a hybrid solution (Hyperflex with the 10k spinning disks) you can also upgrade to the 2.0 version. During the installation you can configure FC and iSCSI connections ! … Read more
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
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
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
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