An IT infrastructure perspective on optimizing business applications
As announced in my last blogpost, qdda is a tool that analyzes potential storage savings by scanning data and giving a deduplication, compression and thin provisioning estimate. The results are an indication whether a modern All-Flash Array (AFA) like Dell…
Yet another customer was asking me for advice on implementing the ZFS file system on EMC storage systems. Recently I did some hands-on testing with ZFS as Oracle database file store so that I could get an opinion on the…
I have written before about managing database performance issues, and the topic is hot and alive as ever. Even with today’s fast processors, huge memory sizes and enormous bandwidth to storage and networks. warning: Rated TG (Technical Guidance required) for…
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…