A trivial question: What is the basic function of a storage system? I would say, the trivial function of a storage system is to store digital data and getting it back when you need it. To be specific: get the…
An IT infrastructure perspective on optimizing business applications
A trivial question: What is the basic function of a storage system? I would say, the trivial function of a storage system is to store digital data and getting it back when you need it. To be specific: get the…
In my last post, I gave a highly simplified representation of “The I/O stack” of a database. In reality, it’s much more complex. I found an old picture where the whole I/O stack of a database was described and I…
A comparison between Oracle (Active) Data Guard and EMC replication for disaster recovery purposes This is an article I wrote a while ago for customers’ Database Administrators (DBAs) and application managers, that helps them in selecting the right Disaster Recovery…
Maybe you have heard the story of the Monkey Experiment. It is about an experiment with a bunch of monkeys in a cage, a ladder, and a banana. At a certain point one of the monkeys sees the banana hanging…
For many years, EMC customers have been using storage replication technology to create copies of entire databases. Using storage cloning has many advantages over other mechanisms (file copy, tape restore, and the like). Most significant is that EMC storage can…