An IT infrastructure perspective on optimizing business applications
As more and more customers are moving their mission-critical Oracle database workloads to virtualized infrastructure, I often get asked how to deal with Oracle’s requirement to reproduce issues on a physical environment (especially if they use VMware as virtualization platform…
In previous posts I have focused on the technical side of running business applications (except my last post about the Joint Escalation Center). So let’s teleport to another level and have a look at business drivers. What happens if you…
Another Frequently Asked Question: Is there any disadvantage for a customer in using Oracle/SUN ZFS appliances to create database/application snapshots in comparison with EMC’s cloning/snapshot offerings? Oracle marketing is pushing materials where they promote the ZFS storage appliance as the…
Today I was giving a training to fellow EMC colleagues on some Oracle fundamentals. One of the things that was mentioned is something I have heard several times before: Oracle is claiming that EMC SRDF (a data mirroring function from…
Before showing my preferred solution for Oracle stretched high availability clusters, first some clustering basics. Active/passive versus Active/Active clusters Most clustering software is based on active/passive scenarios. You have a system (say, a database) that is running on a set…