Infrastructure at your Service

All posts by Jérôme Dubar

Jérôme Dubar



Jérôme Dubar

Restoring a database without having any controlfile backup

By | Database Administration & Monitoring, Database management, Oracle | No Comments

It should never happen but sometimes it happens. You just lost your datafiles as well as your fast recovery area (probably because most of the time these areas are on the same disks despite the recommendations). Normal restore operations with RMAN are quite easy and secure as far as you have backupsets for database, archivelogs, and spfile/controlfile: Step 1 – restore the spfile and start the instance Step 2 – restore the controlfile and mount…

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Jérôme Dubar

Easily manage dual backup destination with RMAN

By | Database Administration & Monitoring, Database management, Oracle | No Comments

Backup on disk with RMAN is great. It’s fast, you can set as many channels as your platform can handle for faster backups. And you can restore as fast as you can read and write files on disk with these multiple channels. As far as you’re using Enterprise Edition because Standard Edition is stuck to a single channel. Disk space is very often limited and you’ll probably have to find another solution to keep backups…

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Jérôme Dubar

Patching ODA lite to 12.2.1.4.0

By | Database Administration & Monitoring, Database management, Oracle | No Comments

Here is how to apply the latest patch for your ODA. As usual the Oracle documentation is not 100% accurate. I applied this patch on 2 ODAs X7-2M previously deployed in 12.2.1.2.0, no intermediate patch was needed. 1) Download the patch The patch number is 28216794. This patch will update the following components:  dcs (odacli), operating system, bios/firmwares, ilom, GI, dbhomes and databases. Download and copy the patch to a temporary folder on the server,…

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Jérôme Dubar

Patching ODA lite to 12.2.1.3.0

By | Database Administration & Monitoring | No Comments

Here is the latest patch for your ODA and it seems that Oracle documentation for this patch is not exactly the procedure you’ll have to follow to successfully patch your appliance. I recently updated X6-2M and X6-2L to this latest release and here is how to do that. In this example I was patching from 12.1.2.12.0, no intermediate patch was needed. 1) Download the patch It seems odd but sometimes finding the corresponding patch is…

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Jérôme Dubar

How reimaging detects the ODA hardware?

By | Database Administration & Monitoring | No Comments

A long time ago, ODA referred to the only model that existed (nearly). Actually, not so long time ago, as ODA X3, X4 and X5 were released between 2013 and 2015. And it was quite the same hardware. Now there is 3 current models in the X7 range, and they were 4 in the previous generation (X6). ODA is now divided in 2 main lines. High Availability models, understand 2 nodes and a shared storage…

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Jérôme Dubar

One command database upgrade on ODA

By | Database Administration & Monitoring | No Comments

The 12.2 finally arrived on ODA and is now available on all generations. Modern ODAs are now supporting 11.2.0.4, 12.1.0.2 and 12.2.0.1 database engines, and these 3 versions can work together without any problem. You probably plan to upgrade some old databases to the latest engine, at least those still running on 11.2. As you may know, 11.2  is no more supported with premier support since January 2015: it’s time to think about an upgrade….

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