With storage, what’s old is new again.

Open Systems Availability: Virtualization’s First Frontier

What has been will be again, what has been done will be done again; there is nothing new under the sun… – Ancient proverb

 Server virtualization has brought great advances in flexibility, efficiency and responsiveness to today’s always-on, web-enabled data centers.  Although that is what most people think today when they hear the word “virtualization” it is simply a current application of an old principle.

 When open systems technologies, UNIX and Windows in particular, came on the scene in the late 1980’s and early 1990’s they represented much more affordable ways for business to use technology.  How we work today is a direct result of the productivity advances made possible through these technologies.  However, they had one great downfall. 

 Compared to the much more expensive mainframe and mini-computing technologies of their day, early open systems were less reliable and full of single points of failure.  Disk drive reliability was addressed by [Read more…]