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Jérôme Dubar

A typical ODA project (and why I love Oracle Database Appliance)

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

Introduction You can say everything about Oracle infrastructure possibilities but nothing compares to experience based on the realization of real projects. I did quite a lot of ODA projects during the past years (on other platforms too), and I would like to tell you why I trust this solution. And for that, I will tell you the story of one of my latest ODA project. Before choosing ODAs A serious audit of the current infrastructure…

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Jérôme Dubar

odacli create-database -io doesn’t work for older databases in 19.9

By | Database Administration & Monitoring | No Comments

Introduction On ODA, you create your databases with odacli create-database. You can create a complete database, and it takes about 10 minutes, and you can also create an instance-only database. It will simply and quickly create a record in the ODA registry, start the instance with a basic pfile, and that’s it. Then you’re supposed to do the next step: feed up the database with a manual restore or an RMAN duplicate. Create a 12.2…

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Jérôme Dubar

Configure Data Guard with odacli on ODA

By | Database Administration & Monitoring | No Comments

Introduction I always thought integration of Data Guard was a missing feature on Oracle Database Appliance. For sure, you can configure Data Guard manually as you do on a classic server, but as an appliance, ODA should have proposed an easier way for configuring that. After years of waiting for this feature, it’s now available, and I just tested it. And I’m here to give you my feedback. Disclaimer You’ll need 2 ODAs for building…

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Jérôme Dubar

ODA 19.9 software release is out

By | Database Administration & Monitoring, Database management, Hardware & Storage, Oracle | One Comment

Introduction 6 months after the 19.6, the first 19c production release, here comes the 19.9 Oracle Database Appliance patch with major improvements. Will my ODA supports this 19.9 patch? First, the 19.9 release will be the same for all ODAs, as usual. Like 19.6, the oldest ODA compatible with this release will be the X5-2. Don’t expect to install 19c on older models. X4-2 is stuck to 18.8, X3-2 is stuck to 18.5 and V1…

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Jérôme Dubar

Disk usage on ODA – Free MB and usable MB

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

Introduction Oracle Database Appliances rely on ASM to manage disk redundancy. And ASM is brilliant. Compared to RAID, redundancy is managed at the block level. For NORMAL redundancy, which is similar to RAID1, you need at least 2 disks, but it can also work with 3 disks, 4 disks, 5 disks and so on. There is no need for parity at the disk level. HIGH redundancy, which does not exist in RAID technology, is basically…

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Jérôme Dubar

Oracle Database Appliance vs Oracle Cloud Infrastructure

By | Cloud, Database Administration & Monitoring, Database management, Development & Performance, Hardware & Storage, Operation systems, Oracle | No Comments

Introduction Oracle Database Appliances are very popular these days. And not only among new customers for this kind of engineered systems. Almost all customers already using old generation ODAs are renewing their infrastructure by choosing again ODAs, meaning that the solution is good enough and probably better than anything else. But now, public clouds are a real alternative to on-premise servers, and Oracle Cloud Infrastructure is a solid competitor vs Amazon and Azure public clouds….

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