Tony Bourke of The Data Center Overlords comments:
There are very few technologies in that data center that have had as significant of an impact of VMware’s vMotion. It allowed us to de-couple operating system and server operations. We could maintain, update, and upgrade the underlying compute layer without disturbing the VMs they ran on. We can write web applications in the same model that we’re used to, when we wrote them to specific physical servers. From an application developer perspective, nothing needed to be changed. From a system administrator perspective, it helped make (virtual) server administration easier and more flexible. vMotion helped us move almost seamlessly from the physical world to the virtualization world with nary a hiccup. Combined with HA and DRS, it’s made VMware billions of dollars.
And it’s time for it to go.
As usual, Tony doesn’t pull any punches with his assessment of the state of DC VM mobility. vMotion isn’t fault tolerance. Why do we treat it that way? Is it time to start designing our applications to survive VM failure?
Read more at: Death To vMotion
