My Personal Blog
Cisco Data Center related stuff.
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
What if you are a company with lots of branch offices and those offices are to small for a Cisco Hyperflex cluster. Or you are just a small company who doesn’t need much compute, memory, iops and storage capacity for you office. Think of offices where you just need and Active Directory Server, DNS, DHCP, … 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
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
Please visit : Cisco Live Las Vegas 2017 Page Once I was a presenter at Cisco Live London 2012. Click the link for my bio and presentation. And I did also some design clinics in 2009. Being a presenter is really cool ! You got to meet a lot of new people who are interested in the … Read more
Factory Reset of a Fabric Interconnect To do a factory reset you will have to SSH into the FI’s. FI-Hyperflex-A# connect local-mgmt Cisco Nexus Operating System (NX-OS) Software TAC support: http://www.cisco.com/tac Copyright (c) 2009, Cisco Systems, Inc. All rights reserved. The copyrights to certain works contained in this software are owned by other third parties … 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
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