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…
Oracle snapshots and clones with ZFS
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…
Oracle Stretched Cluster with VPLEX (update)
One request I got back after my series on Oracle RAC stretched clusters is if I could summarize again why anybody would choose VPLEX for storage replication over other solutions. My attempt was to describe the principles of VPLEX in…
Data Guard or Storage based replication?
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…
Through the wormhole with Stretched Clusters
Last year, EMC announced a new virtualization product called VPLEX. VPLEX allows logical storage volumes to be accessible from multiple locations. It boldly goes beyond existing storage virtualisation solutions (including those from EMC) in that it is not just a…