OCI Database Cloud Patching of Database & Infrastructure With CLI

Oracle Patching of Databases (DB) and Grid Infrastructure (GI) is a routine and recommended process for any Oracle ...

OCI Database Cloud Service Patching of Database and Grid Infrastructure Using OCI CLI

How a Well-Planned SAP S/4HANA Migration Can Be a Catalyst for Digital Transformation

This is the second in a three-part Pythian blog series on the benefits, challenges and considerations surrounding a ...

Tips for Better Capacity Planning on Exadata

Exadata X8-2 comes with up to 3 Petabytes (PB) of raw disk capacity. This post briefly explains the basics of capacity ...

Part Six: Deploying High Availability Applications in Oracle Cloud Infrastructure

This is the sixth in a series of blog posts, that covers the details to deploy the Oracle Management Servers for a high ...

Unusual Use of the RMAN uncatalog Command

Handling RMAN mismatched status errors A fresh year is the perfect time to learn something new. Recently, I have come ...

Installing Forms 12.2.1.4 – File not found $ORACLE_HOME/lib/libvsn12_ee.a.dbl using GUI

After installing Weblogic and Fusion Middleware (FMW) 12.2.0.4, I came across the following error when I tried to ...

ExaCC vs. ExaCS – Which One is Right for You?

Exadata has been Oracle’s gold standard platform for running mission-critical Oracle databases for over a decade. ...

Change Your system_auth Replication Factor in Cassandra

Occasionally, clients reach out to us with authentication issues when a node is down. While this scenario shouldn’t ...

Fixing the Failed Status of imageinfo on Exadata Compute Node

Background I was conducting regular OS patching of all the Exadata components when one of compute nodes caused ...

How to Migrate Oracle Applications 11.5.10.2 from on-premises SunOS fleet to Linux on AWS

It’s no secret that many companies have been moving existing on-premises environments to the cloud. They all have ...

OEM 12.5: Tablespace Allocation Metric Not Collected—Agent Is Running but Not Ready

Background I ran across an interesting case within OEM 12 (Oracle Enterprise Manager) Release 5. A client reported the ...

Response File for GI Node Addition

Initially, I didn’t think that it would be difficult. But I feel the initial MOS note is inadequate for preparing a ...

Renewing the (Default) PMM Certificate

Introduction Recently one of our colleagues was struggling with the default self-signed SSL certificate that ships with ...

A Recruiter Recruited to Recruit at Pythian

Six months ago, I joined Pythian as a Global Talent Acquisition Partner (TA). I often get asked by candidates why I ...

Exadata: Automating Compliance Checks

Introduction to Autonomous Health Framework (AHF) I wanted to share a brief summary–a cheat sheet–to highlight the ...

Datascape Episode 53: Managing High-Performance IT Teams

Episode 53 Shownotes Welcome to another episode of Datascape Podcast. In today’s show, guests Shara French, Microsoft ...

Migrate RDB to Cloud SQL Using Google’s Dataflow

Most corporations have huge amounts of data in RDBMS (relational database management system). When considering a RDBMS ...

Oracle Exadata ASR General Troubleshooting

Context Oracle Auto Service Request (ASR) is a secure, scalable, customer-installable software feature of warranty and ...

Automated Database Backups for Cloud Spanner Using Terraform

This post shows how to use cloudspannerecosystem/scheduled-backups to configure scheduled backups for your cloud ...

Practical Tips For Moving Indexes Between Tablespaces

From time to time, a simple request to reorganize space in a tablespace leads to a more complex solution. Here’s how we ...

Cassandra for beginners: Replication

This post is the continuation of the previous post, Cassandra 101: Understanding What Cassandra Is, in which I’ll ...

ORA-19665: Size in File Header Does Not Match Actual File Size of String

I received the above message related to an ORA-7445 on my 11.2.0.4 database: ORA-07445: exception encountered: core ...

Why Comprehensive Health Checks for MS SQL Servers Matter: Part 1

How you access and retrieve data is crucial to your database’s performance and resilience: the more transactional or ...

Replacing Nodes in Cassandra

One of the many things to love about Cassandra is how operationally simple it is to add, remove or even replace nodes ...

Exadata Health Check: My Top 5 Tools and Features

From ORAchk/EXAchk/ODAchk, Database Security Assessment Tool (DBSAT) and Hang Manager, to Cluster Health Advisor (CHA), ...

Licensing Oracle Enterprise Manager

What are the licensing considerations for deploying Oracle Enterprise Manager and using OEM for monitoring database ...

How to Deploy Spark in DataStax Cassandra 5.1

Spark is an open-source, distributed processing system used to manage big data workloads. Spark uses in-memory caching ...

CVE-2021-44228 and Your Oracle E-Business Suite/Fusion Middleware Systems

For many of us, the recent log4j vulnerability (CVE-2021-44228) became a severe headache this past weekend. I thought ...