Varrow Blogs

Cisco today announced a new technology called Overlay Transport Virtualization (OTV).  Not a great name…not cool like vMotion or anything but it’s still pretty neat.  My background is heavily networking so I love the fact that the networking field is now working tightly with virtualization (and storage..but not today).  If you remember back when I [...]

VMware has a pretty handy guide out there for those migrating to vSphere…but it’s also pretty useful even if you have already made the move.  It’s the vSphere Migration Prerequisites Checklist available here.  It’s useful because it gives you the requirements and limitations when upgrading to vSphere or implementing the cool new features like FT [...]

While at Cisco Live I stopped by the VMware booth to check out the proof-of-concept that VMware and Cisco are currently doing involving extended distance VMotion.  VMware’s latest information about it is here.  The idea behind this is that you can distribute your CPU resources in multiple sites.  This should be especially useful for those [...]

Many VMware administrators don’t know you can move VMDKs without taking down the virtual machine using them.  I have created a video showing how to do this using the Storage VMotion feature in VMware.  Storage VMotion allows you to move the back-end virtual disks to a different datastore without affecting the running virtual machine.  By [...]