Step by Step: Ansible Role To Setup Oracle ACFS On Multiple Nodes

This post contains step by step instructions for creating an Ansible role acfssetup to setup Oracle ASM Cluster Filesystem (ACFS) on multiple nodes of a cluster. This assumes that Grid Infrastructure 12.1.0.2.0 is already installed on the nodes, and ASM is working fine. This also assumes that there already is Ansible installed on some controller host with ssh equivalency setup between root and Oracle users.

OPS$Oracle user after Wallet Creation in Oracle 12c

----- In Oracle 12.1.0.2, created the wallet by using below commands:

TEST$ orapki wallet create -wallet "/u01/app/oracle/admin/TEST/wallet" -pwd ****  -auto_login_local
Oracle PKI Tool : Version 12.1.0.2
Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.

Network Slowness Caused Database Contention That Caused Goldengate Lag

I got paged for a goldengate extract lagging behind. Checked the extract configuration and it was normal extract and it seemed stuck without giving any error in the ggserr.log or anywhere else. It wasn't abended either and was in running state.

Log Buffer #546: A Carnival Of The Vanities For DBAs

This Log Buffer Edition covers Cloud, Oracle, and PostgreSQL.

Cloud:

Google Maps platform now integrated with the GCP Console

Getting more value from your Stackdriver logs with structured data

Improving application availability with Alias IPs, now with hot standby

Performing a large-scale principal component analysis faster using Amazon SageMaker

Optimized TensorFlow 1.8 now available in the AWS: deep learning AMIs to accelerate training on Amazon EC2 C5 and P3 instances

How to find the UUID of a device in Linux for Oracle ASM

UUID stands for Universally Unique Identifier. I use UUID for my disk device, when I need to create and add disks for Oracle ASM, as UUID is independet of device name or mountpoint. So its always a good idea to include UUID of device in the fstab file in Linux.

So here is how to find the UUID of a device in Linux for Oracle ASM:

Relocate Goldengate Processes to Other Node with agctl

Oracle Grid Infrastructure Agents can be used to manage Oracle Goldengate through Oracle GI. agctl is the utility to add, modify and relocate the goldengate. These Oracle GI agents can also be used with other products like weblogic, mysql etc. 

Oracle DBAs and GDPR

The General Data Protection Regulation (GDPR) (Regulation (EU) 2016/679) is a regulation by which the European Parliament, the Council of the European Union and the European Commission intend to strengthen and unify data protection for all individuals within the European Union (EU).

AWS Pricing Made Easy By Simple Monthly Calculator

With ever changing pricing model and services, its hard to keep track of AWS costing.

AWS CLI is Boon for DBAs

For most of production RDS databases , we normally have a related EC2 server to access that RDS database through tools like datapump, sqlplus etc.

Oracle DBAs and Meltdown & Spectre (M&S) vulnerability Patch

So what Oracle DBAs need to do regarding Meltdown & Spectre (M&S) vulnerability patch?