My Personal Blog
Cisco Data Center related stuff.
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
Not only the Cisco devices, but also third party devices like the EMC VNX 5500. But when I tried to add the VNX to the UCS-D system, I received an error and had a problem… Howto fix this. Gladly there is some good documentation after a good search. 😉
Here’s a video I created with the solution.
If you don’t like watching a 5 minute video, here is an old fashion blog. 😉
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 :
When you get the error message : after you hit the Launch UCS CIMC KVM console link make sure that your DNS is working properly ! When my DNS server wasn’t running, I hit the error message like above !
Dev-ops are cool ! So you wanne be cool. Learn the following nice features with Open NX-OS for the Nexus 9000:
Lets enable the bash-shell and nxapi feature :
UCP, vSpex, VersaStack, OmniStack, FlashStack and the list is going on and on. So many
Converged Infrastructures and/or hyper-converged solutions. All based with Cisco Networking and Cisco UCS. But what about FlexPod ? It’s here for 5 years right now and is it still up to date and relevant? What are the key differentiators for the customer to still have a closer look at this solution ?
Yes, I like the Cisco MDS Switches. Right now they got the perfect portfolio for every customer with SAN Switches. Including you ! Just have a peek at the TOP 5 reasons and maybe, just maybe, you like it like I do ! TOP 5 : 5 : Integrated Management. With the standard integrated Device … Read more
Right now I am testing an UCS Director system with some workflows and some nice API’s. Ofcourse not everything is going smooth. And right now I hit the problem that I don’t have any free IP addresses in a pool. Everything got the state “Reserved“, although the system are not using them. Here is the … Read more
Since July 2015 Cisco is shipping the MDS 93962S. And there is also the Brocade 6520 with very nice performance. The specsheets are almost the same and Brocade switch got lower latency. But why choose MDS 9396S over Brocade 6520 ? Brocade can have 2.1 us of latency while the MDS 9396S got a latency … Read more
Are you looking for good hardware for your SDS Solution ? Cisco got a nice server with a max of 60 HDDs! Yes, Cisco already got the C3160. It’s almost the same hardware, but there is one difference. The C3260 got 2 server nodes ! Why would you use those 2 nodes ? Think High … Read more