SAN zone create for Cisco MDS series switch using the CLI commands We have two new ESXi host that need storage mapping to our Dell Compellent SAN. Each ESXi host is dual port 8Gb HBAs. We have two separate fabric zones (vSAN 20 and vSAN 21). This way in a HA fail-over only one switch needs to […]
Read more "Adding ESX host to Cisco (vSAN) Fiber Channel Switches (MDS 9000)"Creating a persistent scratch location for ESXi 4.x/5.x/6.0 Recently, I updated the storage array and while one of the controllers (Dell Compellent split-controller design SC4020) was rebooting, I’ve noticed that occasionally the host loses communication to the SAN array via the fibre channel. Even though I used dual pathing for each ESXi host, vSphere was […]
Read more "VMware vSphere ScratchConfig Error – Persistent Scratch Location for ESXi 4.x/5.x/6.0"About The Webb The James Webb Space Telescope (sometimes called JWST or Webb) will be a large infrared telescope with a 6.5-meter primary mirror. The telescope will be launched on an Ariane 5 rocket from French Guiana in October of 2018. JWST will be the premier observatory of the next decade, serving thousands of astronomers […]
Read more "James Webb Space Telescope Will Be The Next Generation Space Telescope"The iPhone hit the market in 2007 and revolutionized smartphones as we know them today. The first general iPhone had slew of problems and left users feeling disappointed because of its limited function. Now, in 2016 the iPhone reaches over 10 billion in sales and is now the standard to which all other phones are […]
Read more "When Did The iPhone Actually Become Useful?"Microsoft is dropping its Azure RemoteApp technology over the course of the next year and guiding customers to go, instead, with virtualization software and service from Citrix (Foley, 2016). According to Microsoft’s blog post: “Customers have provided us consistent feedback that they want a comprehensive, end-to-end, cloud-based solution for delivering Windows apps. The best way […]
Read more "Microsoft Discontinues Its Use of Remote Desktop Apps"Every wonder just how big the Milky Way galaxy really is? In the late 1920s, astronomers thought all of the stars in the universe were contained inside of the Milky Way. It wasn’t until Edwin Hubble discovered a special star known as a Cepheid variable, which allowed him to precisely measure distances, that astronomers realized […]
Read more "Milky Way Galaxy: How Big Is Our Galactic Home?"Recently, I’ve created a few Ubnuntu 14.04.04 LTS (GNU/Linux 4.2.0-36-generic x86_64)LAMP Severs. Since these VMs are not Windows, I wanted to find out how to install VMware tools for HA. So, that if the ESXi host has problems, it can talk to the guest OS, in this case Linux Ubuntu Server 14.04.4. I found these […]
Read more "Install VMware Tools Ubuntu Server Virtual Machine"NASA Authorization Act of 2010 According to NASA, in 2010 the organization outlined the goals in the bipartisan NASA Authorization Act and the U.S. National Space Policy, to develop the capabilities needed to send humans to an asteroid by 2025 and Mars in the 2030s. Over the last 40 yeas, robotic explorers have studied Mars. […]
Read more "NASA’s Journey To Mars – Martian Potatoes by 2030?"Space travel is very dangerous. Probably the most dangerous 62 mile trip (Karman Line) that humans have tried to do. Space is not without inherent risks. Officially, only 3 people have ever died in space. Just because there are only 3 people to have ever officially died in space, doesn’t mean they were the only […]
Read more "How Safe is Space Travel?"Cisco IOS-XE No Longer Uses Trunk Encapsulation Dot1q I have a pair of Cisco Catalyst 3650X-48TS switches running IOS 12.2(55) and when using trunk encapsulating dot1q from the router to the switch, and then, to the client, Cisco decided to change the commands. For example, I want to pass two VLANs from the switch to my ESXi […]
Read more "Cisco IOS XE Release 3.6E (Catalyst 3650 Switches)"
All Systems (Are) Go. 