My Personal Blog
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
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
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
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
For installation of a Cisco Hyperflex system I am using Virtualbox on my laptop for the image. This is working perferct!
During a devnet session I had to install Docker on my laptop and I could create a Sparkbot. Really cool by the way. Then I wanted to install Hyperflex via my laptop, but I received some really strange errors.
VT-X is not available (VERR_VMX_NO_VMX
Is the NVMe market growing ? According to IDC the NVME market is growing very fast in the next 3 years. SATA and SAS drives (Spinning disk and SSD) will be substantially less in the future. Why is it growing ? All hardware devices for storage relied on SCSI commands. These commands are processed sequential. … Read more
Automate Hyperflex with UCS Director 6.0 ! The software is available on the Cisco web site : www.cisco.com/go/software In a short video I will show you a working setup with a HX Cluster and UCS Director 6.0. Not only can you monitor the Hyperflex Cluster, but also configure and automate it with workflows. Cisco … Read more
YOU CAN FIND MY PERSONAL CALCULATOR AT : http://bit.ly/HyperflexSizingTool If you know how to size your Cisco Hyperflex system, it’s not that hard! What is the formula ? (((Disksize in TiB * #Disk per Node * (#Nodes -1)) / VRF) * 0.8 * Dedup * Compression WOW ! Let’s explain a little bit : … Read more
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.
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 :