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service level agreement

Why clone databases for firefighting

Bart Sjerps 2013-01-15 Oracle, Virtualization

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…

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The Zero Dataloss Myth

Bart Sjerps 2012-11-21 General, Various

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…

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The EMC Oracle Joint Escalation Center

Bart Sjerps 2012-11-14 Oracle

EMC and Oracle have supported each others products since 1995 and both spent millions of dollars in making them work together. EMC actually became famous in the late nineties because of our “Guilty until proven innocent” support mentality. We are…

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Oracle snapshots and clones with ZFS

Bart Sjerps 2012-08-29 FAQ, Oracle, Performance

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…

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Exadata Hybrid Columnar Compression (HCC) for (storage) dummies

Bart Sjerps 2012-08-03 Oracle

Although EMC and Oracle have been long-time partners, the Exadata Database Machine is the exception to the rule and competes with EMC products directly. So I find myself more and more in situations where EMC offerings are compared directly with…

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