Tag Archives: dbabasis

GUOB Techday / LAD OTN Tour 2017

Last Saturday (Aug, 5th) it was held in São Paulo the 8th edition of GUOB Techday. This event is one of the most important event for DBAs and Oracle Professionals, it is part of the Latin America Oracle Technology Network … Continue reading

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Oracle ASM on FreeNAS 8.3.0 x86

Hey there folks, just writing this very quick tip on how to setup an iSCSI storage for your *crash and burn* environment… In this tutorial I will not care for network settings, security or anything, I will just demonstrate the … Continue reading

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AWS – Disabling Termination Protection for unwanted instances and terminating them.

If you are new to cloud computing, specially with AWS, you will probably see an annoying message while trying to terminate instances you no longer need. The message will look like below “These instances have Termination Protection and will not … Continue reading

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Virtualbox: How to setup NAT with DHCP

Hi folks, in this article I will demonstrate how easy it is to setup a NAT (Network Address Translation) on virtualbox. I use this very often to isolate resources from my virtual servers and my physical network while still having access … Continue reading

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RAC 11g R2: CRS-5008: Invalid attribute value

Hi folks, I recently had to change the public IP address for the RAC. All went well except the VIPs and the network stopped working. Here is what I got from crsctl status: [root@rac2 ~]# /u01/app/11.2.0/grid/bin/crsctl status res -t ——————————————————————————– … Continue reading

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Linux: Extend LVM by adding disk

Here is the current scenario: /u01 is under a LVM which is running out of space. The idea is to add space by adding a new disk (since this is a virtual machine, the disk being added is 15GB only) … Continue reading

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Virtualization tip [EMC Data Domain] – Converting VMWare appliances (OVA, OVF/VMX) to import on Virtualbox

There are a couple of appliances that are nice to be deployed in a private test environment, such as HP Virtual Storage Appliance P4500, EMC Data Domain among others. Mere mortals like myself use Virtualbox at home, so these steps … Continue reading

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