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David Hueber

Linux: Disks diagnostic using smartctl

By | Operation systems | No Comments

Facing disk issues such as corruption or block defect is thankfully not happening frequently. However when it does, the diagnose may look sometimes like a real struggle. This is forgetting that disks integrate since years the S.M.A.R.T technology. Good point, it can easily be adressed in Linux command line through smartctl What is S.M.A.R.T. exactly? S.M.A.R.T., which stands for Self-Monitoring, Analysis and Reporting Technology (also called SMART), is a monitoring system for and integrated in…

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Yann Neuhaus

Oracle Enterprise Manager 12c – Database Target remains in Pending state (SLES x86_64 target)

By | Database management | No Comments

Last month I was confronted to a very interesting and strange problem while deploying a Cloud Control 12c infrastructure. One of my monitored server was a SuSE Linux Enterprise Server (SLES) 64 bits on which a 11.2.0.3 Oracle database was installed. The x86_64 cloud control 12c agent has been deployed on this server with the standard Cloud Control 12c agent deployment procedure (not the scope of this post). However despite several trials to configure the…

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Jérôme Witt

Oracle SQL Developer & SQL Data Modeler on Ubuntu

By | Application integration & Middleware | No Comments

Oracle SQL Developer and Data Modeler are becoming more and more popular as they are both cost-free and available on many Operating Systems (Linux/Unix,Windows and Mac) with different installation types: “This zip does not include JRE” or “This zip file includes the JRE”. On linux, the choice is limited because the only version available doesn’t include Java Runtime Environment. And it’s an RPM !! So what… In this post I will provide all information required to install and run these tools on an Ubuntu machine.

 

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Yann Neuhaus

Oracle RunInstaller crashes while installing Cloud Control 12c on OEL 5.7

By | Database management | 7 Comments

A few days ago I downloaded the Cloud Control 12c binaries for Linux x86_64 from the Oracle Technet.

My friend, Hervé Schweitzer, configured an OEL 5.7 VM for test purpose and I was quite eager to install this new software. I checked the O.S settings, the required parameters, aso …, everything was fine. My OMS repository database (11.2.0.3) was ready. Unfortunately, as soon as I started the installer, it directly crashed.

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Yann Neuhaus

Monitoring 11g databases with Grid Control 10.2.0.5

By | Database management | No Comments

The Metalink note 949858.1 describes problems with 10.2.0.5 agents monitoring 11g databases – this might be the case if you have an “old” 10.2.0.5 Grid Infrastructure you did not want to upgrade yet. The 11g databases are generating errors in both the alert.log and the log.xml file. The agent 10.2.0.5 agent seems to have problem with this. This posting will show you what to do.

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