As mentioned before, I frequently find myself in discussions around Oracle performance and how an Oracle database behaves on EMC storage. It turns out that often there is a lot of confusion on how the different layers interact with each…
An IT infrastructure perspective on optimizing business applications
As mentioned before, I frequently find myself in discussions around Oracle performance and how an Oracle database behaves on EMC storage. It turns out that often there is a lot of confusion on how the different layers interact with each…
Just to inform you that tomorrow (wednesday jan. 18th, 2012), some of the links on my blog might not work due to Wikipedia’s one-day blackout, in protest against SOPA (and I use Wikipedia a lot as a great resource to…
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…
Even in these modern times, when lots of things are changing in the ICT world, some lessons from the past still hold true. Previously, I discussed the I/O stack in a typical database environment. As virtualization has complicated things a…
Got this joke from a Dutch colleague (thanks Rohan 😉 A customer is complaining that his shiny new storage system does not perform and (as usual) blames the storage vendor. But sometimes you have to wonder if a customer uses…