Infrastructure at your Service

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Database management

Jérôme Dubar

6 things Oracle could do for a better ODA

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

Introduction With the latest ODA X8 range, at least 80% of the customers could find an ODA configuration that fits their needs. For the others, either they can’t afford it, either they are already in the Cloud, or they need extremely large storage or EXADATA performance. Among these 80% of customers, only a few choose ODA. Let’s see how Oracle could improve the ODA to make it a must. 1) Make robust and reliable releases…

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Stéphane Savorgnano

Use MABS to protect Hyper-V on-premises VMs workload

By | Cloud, Database Administration & Monitoring, Database management, SQL Server | No Comments

During my last blog post I explained how to installed a MABS. Now that your infrastructure is setup you will be able to protect the workload of your Hyper-V Virtual Machines. You have first to create a new protection group. This group will contain one or more VMs which will share the same backup configuration for retention, synchronization and recovery. Protection is managed as follow: DPM create a copy of the selected data on the…

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Jérôme Dubar

Oracle Database Appliance: which storage capacity to choose?

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

Introduction If you’re considering ODA for your next platform, you surely already appreciate the simplicity of the offer. 3 models with few options, this is definitely easy to choose from. One of the other benefit is also the hardware support of 5 years, and combined with software updates generally available for up to 7 years old ODAs, you can keep your ODA running even longer for non-critical databases and/or if you have a strong Disaster…

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Elisa Usai

The evolution of MySQL authentication mechanism

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

The authentication, the first level of security for each IT system, is the stage to verify the user identity through the basic username and password scheme. It is crucial to have a mechanism to protect and secure password storing and transmitting over network. In MySQL, there is plenty of different authentication methods available, and last versions improved the security of this concept.

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Jérôme Dubar

ODA 19.6 is available

By | Database Administration & Monitoring, Database management, Hardware & Storage, Operation systems, Oracle | 2 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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Stéphane Savorgnano

How to run Avamar backup on SQL Agent Job with PowerShell

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

By one of our customer we use Avamar for the backup and restore solution. I was asked by this customer to find a solution to run Avamar backups for a group of databases on a specified instance. In fact, we currently try a database clone solution on some instances and clone’s databases must not be backed up, but the rest of the databases must be. After some discussions with my colleague I decided to use…

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Stéphane Haby

SQL Server Tool: MSSQL-CLI

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

MSSQL-CLI is a useful new command line tool. Not so new because this tool exist since 2018 but a little bit unknow. You find this tool on GitHub here. One of the big advantage is the number of platforms available, Windows of course but also macOS, Ubuntu, Debian, CentOs, Red Hat, OpenSuse, Suse Enterprise and Fedora. This interactive command-line query tool has many advantages like the full IntelliSense support, the auto-complete, the syntax highlighting, the…

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Christophe Cosme

AWS Automation – Stop a RDS instance

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

Introduction I created a RDS SQL Server instance on AWS. I use it for test purpose and to minimize the costs I needed to ensure that my instance is stopped automatically at the end of the working day and also because on RDS instances are automatically activated when its schedule maintenance is triggered. In this article I will share the solution I implemented to achieve my goal. I assume you have already created a RDS…

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Jérôme Dubar

Speed up datapump export for migrating big databases

By | Database Administration & Monitoring, Database management, Hardware & Storage, Oracle | 3 Comments

Introduction Big Oracle databases (several TB) are still tough to migrate to another version on a new server. For most of them, you’ll probably use RMAN restore or Data Guard, but datapump is always a cleaner way to migrate. With datapump, you can easily migrate to a new filesystem (ASM for example), rethink your tablespace organization, reorganize all the segments, exclude unneeded components, etc. All of these tasks in one operation. But datapump export can…

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Mouhamadou Diaw

Oracle 20c Data Guard : Validating a Fast Start Failover Configuration

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

In Oracle 20c, we can now validate a Fast Start Failover configuration with the new command VALIDATE FAST_START FAILOVER. This command will help identifying issues in the configuration. I tested this new feature. The Fast Start Failover is configured and the observer is running fine as we can see below. DGMGRL> show configuration verbose Configuration – prod20 Protection Mode: MaxPerformance Members: prod20_site1 – Primary database prod20_site2 – (*) Physical standby database (*) Fast-Start Failover target…

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