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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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Jérôme Dubar

Manage ODA patching with Data Guard or Dbvisit Standby

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

Introduction Building an Oracle infrastructure today without thinking about a Disaster Recovery solution (DR) is quite rare. This became obvious that a backup or a dump will not help if you do not know where to restore or import once your production server is down. And restoring a backup is definitely not the fastest way to bring back your database to life. As a consequence, Data Guard or Dbvisit Standby, depending on which edition you’re…

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Joël Cattin

Automating Linux patching with Ansible

By | Ansible, DevOps, Operation systems, Security | One Comment

Since the beginning of the year, several vulnerabilities have been discovered in the Linux Kernel as well as in others important and widely-used packages. Among them, there was the famous CVE-2021-3156 affecting the sudo package and allowing any unprivileged user to gain root privileges. This one had a base score of 7.8, which is considered as high. This kind of events demonstrate the importance of having a strong patching strategy to ensure up-to-date softwares and…

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Jérôme Dubar

ODA 19.6 is available

By | Database Administration & Monitoring, Database management, Hardware & Storage, Operation systems, Oracle | 6 Comments

Introduction It’s been 1 year now that 19c is available on-premise. Finally, 19c is now available today on ODA too, in a real production release. Let’s have a glance of what’s inside. Is 19.6 available for my old ODA? The 19.6 release, like most recent releases, is the same for all ODAs. But oldest ODAs will not support it. First-gen ODA (now 8 years old), X3-2 (7yo) and X4-2 (6yo) won’t support this very latest…

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Jérôme Dubar

Patching ODA from 18.3 to 18.8

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

Introduction 19c will soon be available for your ODAs. But you may not be ready. Here is how to patch your ODA from 18.3 to 18.8, the very latest 18c release. This patch has here been applied on X7-2M hardware. Download the patch files Patch number is 30518425. This patch is composed of 2 zipfiles you will copy on your ODA. Check free space on disk Applying a patch requires several GB, please check free…

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Jérôme Dubar

Patching or reimaging your ODA?

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

Introduction One of the key features of the ODA (Oracle Database Appliance) is the ability to patch the entire stack every three months, the goal being to keep all the components up-to-date. Most of the customers won’t patch so often, but one patch a year is quite a good average. But when comes the time for patching, comes the time for anxiety for the DBA. And it’s totally justified. Why ODA patching can eventually be…

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Jérôme Dubar

Reimaging an old X3-2/X4-2 ODA

By | Database Administration & Monitoring, Oracle | 3 Comments

Introduction X3-2 and X4-2 ODAs are still very capable pieces of hardware in 2018. With 256GB of RAM and at least 16 cores per node, and with 18TB RAW disk capacity as a standard these appliances are far from obsolete even you probably don’t have any more support on the hardware from Oracle. If you own several ODAs of this kind, hardware support may not really be a problem. If something fails, you can use…

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Stéphane Haby

SQL Server 2016: patching CU with R Services

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

As a good DBA, I begin to be up to date with all Cumulative Update (CU) by my customers. It is the first time that I run an update for SQL Server 2016 with the CU 3. I download the CU on Microsoft website and I begin my patching campaign on all SQL server 2016 instances. The first one is quick & successful. The second one, with R Services, is a little bit different. After,…

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Daniel Westermann

How to patch Postgres Plus Advanced Server in a Standby configuration

By | Database Administration & Monitoring | No Comments

In the last post we looked at how you can patch a Postgres Plus Advanced server. Wouldn’t it be nice, in a standby configuration, to patch the standby first without touching the master, then do a controlled switchover and finally patch the old master? In case this is a configuration with EDB Failover Manager the only downtime which would happen is the relocation of the VIP from one node to another (if you use a…

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