Infrastructure at your Service

Category

Operation systems

Jérôme Dubar

odacli create-database extremely slow on ODA X8-2 with 19.5

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

Introduction ODA X8-2, in the S, M or HA flavour, is the new database appliance from Oracle. But as a brand new product, you can experience troubles due to the lack of maturity. This time, it concerns database creation that can be extremely slow on these servers if you are using ODA 19.5. Deployment, appliance creation and core configuration X8-2 reimaging is fine, and appliance creation is done without any problem on X8-2. Don’t hesitate…

Read More
Jérôme Dubar

Should I go for ODA 19.5 or should I wait until 19.6?

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

Introduction As you may know, Oracle Database 19c is available for new (X8-2) or older Oracle Database Appliances since several weeks. Current version is 19.5. But when you go to the official ODA documentation , it still first proposes version 18.7 not compatible with 19c databases. Here is why. 19c database is the final 12.2 First of all, 19c is an important release because it’s the terminal release of the 12.2, as 11.2.0.4 was for…

Read More
Jérôme Dubar

Make Oracle database simple again!

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

Introduction Let’s have a look at how to make Oracle database as simple as it was before. Oracle database is a great piece of software, yes it’s quite expensive, but it’s still the reference and most of the companies can find a configuration that fits their needs according to a budget. Another complain about Oracle is the complexity: nothing is really simple, and you’ll need skillful DBA(s) to deploy, manage, upgrade, troubleshoot your databases. But…

Read More
Elisa Usai

Install CentOS 8 on VirtualBox

By | Operation systems | 5 Comments

Last days, I needed to test our DMK tool for the new MySQL and MariaDB releases on the most recent version of CentOS. Here you can find all important steps to configure a CentOS 8 VM with an Internet connection, a specific hostname and a static IP address, accessible through SSH on VirtualBox.

Read More
Jérôme Dubar

odacli create-database error DCS-10802: Insufficient disk space on file system: database

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

Introduction I was reimaging an X6-2M ODA after various patching troubles, and everything was fine. After several databases created, the next ones could no more be created. DCS-10802: Insufficient disk space on file system: database. Expected free space (MB): {1}, available space (MB): {2} I’ve spent some time on it, and finally found the cause of the problem. And the solution. Context After successfully reimaged an X6-2M ODA with 18.5, and applied the patch for…

Read More
Julia Gugel

SLES15 SP1 – New features

By | Operation systems | No Comments

With SLES15 SUSE introduced the Multimodal OS and the unified installer. Means, you only get what you really need. Your OS is flexible and you can easily add features you need and remove them as well. But this article shouldn’t be an explanation of the multimodal OS, it will show you some of the new features of SLES15 SP1.

Read More
Joël Cattin

Red Hat Enterprise Linux 8 – Stratis

By | Operation systems | No Comments

The Initial Release (8.0.0) of Red Hat Enterprise Linux 8 is available since May 2019. I’ve already blogged about one of its new feature (AppStream) during the Beta version. In this post I will present Stratis, which is a new local storage-management solution available on RHEL8. Introduction LVM, fdisk, ext*, XFS,… there is plenty of terms, tools and technologies available for managing disks and file systems on a Linux server. In a general way, setting…

Read More
Grégory Steulet

Managing Licenses with AWS License Manager

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

Introduction Computing environments became more and more agile over these last years. Companies need to provide solutions helping people to quickly set up new resources, starting and stopping them, scaling them according to the need and finally, removing them. In such environments, it could be tricky to follow license compliance when resources are changing on hourly basis. Having a look on AWS services, I saw that AWS provides a license managing tool named “AWS License…

Read More
Jérôme Dubar

Useful Linux commands for an Oracle DBA

By | Database Administration & Monitoring, Operation systems, Oracle | 3 Comments

Introduction Oracle & Linux is a great duet. Very powerfull, very scriptable. Here are several commands that make my life easier. These tools seems to be widespread on most of the Linux distributions. watch with diff It’s my favorite tool since a long time. watch can repeat a command indefinitely until you stop it with Ctrl+C. And it’s even more useful with the – -diff parameter. All the differences since last run are highlighted. For…

Read More