Infrastructure at your Service

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Marc Wagner

Marc Wagner

Nutanix Era with oracle databases : Part 1 – Introduction

By | Oracle | No Comments

I’m currently setting up a lab for Nutanix Era in order to be able to provide some presentation on this subject and see how Nutanix Era interacts with Oracle databases. I therefore thought it would be certainly helpful and a good opportunity to share the feedback I’m getting from this experience. The lab has been built using Nutanix Cluster free trial integrated with our AWS Cloud account. This fist blog intends to provide only a…

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Marc Wagner

oracle update-dcscomponents failure during ODA patching to 19.11

By | Oracle | No Comments

You might know that since ODA 19.10, the ODA metadata database is now stored in a MySQL database and not in the apache derby database any more. During a patching to 19.10 or 19.11 from a release earlier than 19.10, the apache derby database will be migrated to a mysql database. This is performed during the odacli update-dcscomponent command. Starting 19.10, DCS Agent will then use MySQL server to display any metadata information, as for…

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Marc Wagner

odabr tool : how to resolve efi device backup failure?

By | Oracle | No Comments

During all my ODA projects where I need to perform patching operation, I’m using odabr tool. This tool is really easy to use and well designed. It offers the possibility to create snapshot on the /, /u01 and /opt LVM file systems as well as a physical copy (rsync) of the files to an external destination storage as NFS. This is powerful in case you would like to get just one file back. The tool,…

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Marc Wagner

How to migrate High Availability databases on an ODA?

By | Oracle | One Comment

Through this blog, I would like to show, with a real customer case, how I have been migrating databases in High Availability environment on an ODA. High Availability using Data Guard for Oracle Enterprise Edition or dbvisit for Oracle Standard Edition 2. One of the advantage here would be to use the Standby Database as fallback in case there would be some application issue with new database version. Although, I would expect that for any…

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Marc Wagner

How to synchronize the appliance registry metadata on an ODA?

By | Database Administration & Monitoring, Oracle | No Comments

Databases administration on a Bare Metal ODA will be done as root user by running odacli commands : odacli create-database to create a database odacli upgrade-database to upgrade a database between major releases odacli move-database to move databases from one Oracle home to another of the same database version odacli update-dbhome to update a specific RDBMS home to the latest patch bundle version etc… The odacli commands will do the needful and at the end…

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