Tag: exadata

How to extend the /u01 filesystem on an Exadata

Marketers are very good at selling everyone on the fact that resources (CPU, disks, memory) are now infinite, which is mainly true on a slide but it’s less true in real life. You may one day face this situation with…

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Exadata: How to manage OS dependencies when upgrading to 19c

Exadata 19c comes with Linux 7 and Exadata 12c and 18c come with Linux 6. There will then be an upgrade to Linux 7 when upgrading from 12c or 18c to Exadata 19c or above. In this specific case, you…

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Listener over Infiniband on Exadata (part 1)

Nice topic, right? Beautiful thing to work with when you have Oracle Engineered Systems. So, why would you configure a listener over the InfiniBand Network? How does that make sense in your environment and how would you leverage that? Background…

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How to patch an exadata (part 1) – introduction and prerequisites

Edit November 2018 : This post has been rebranded and now also includes how to upgrade Exadata to 18c. The new version can be found here. Once you have installed your new Exadata machine will come a time where you’ll be asked…

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How to Install a brand new Exadata X5 (part 2)

Fred Denis, Pythian Oracle Database Expert, continues his post on installing a brand new Exadata X5.

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How to install a brand new Exadata X5 (Part 1)

Edit November 2018 : This post has been updated and will be maintained here in the future. When you buy an Exadata machine, you can ask Oracle to proceed with the installation or let some brilliant DBAs like the one…

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ASM 12c : how to rename a Diskgroup

Fred Denis, Pythian Oracle Database Expert, explains how to rename a diskgroup.

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ORA-15418: appliance mode not supported for compatible.asm 12.1.0.0.0

Fred Denis, Pythian Oracle Database Expert, talks about his encounter with error code ORA-15418: on 12.1 on Exadata.

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Favorite way: migrating to exadata

There are lots of considerations to be taken into account when migrating databases to the Exadata. It’s like any other migration. DBAs and other stakeholders of the system have to evaluate what to migrate and what not to, physical and…

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Exadata X5 – A practical point of view of the new hardware and licensing

Oracle recently announced its latest iteration of Exadata – X5-2. It includes a refresh of the hardware to the most recent Xeon® E5-2699 v3 CPUs. These new CPUs boost the total cores count in a full rack to 288. This…

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