Yury Velikanov

Survey Results: Why Do You Use RMAN Catalog DB for Your Oracle DB Backups?

Oracle Database Load Testing Tools – Overview

At Pythian's internal forum, someone just asked the following question: "The team here is evaluating DB load testing ...

ODA Re-imaging Could Take Anywhere Between 20 and 120 Minutes

20 mins vs 2 hours Recently, I have noticed that re-imaging process on the second Oracle Database Appliance node took ...

RMAN: Corrupt Block? Let's Re-Read... Nope, It's All Good

Getting a "corrupt block" page 40 minutes before your shift ends is the DBA equivalent of a jump-scare in a horror ...

SNAPSHOT CONTROLFILE Isn't Just a Backup Copy of a Control File Anymore

Recently, I have troubleshooted failing RMAN backups in 11.2.0.2 RAC environment. The backups failed with an error ...

Oracle VM Manager: OVMAPI_6000E Internal Error: Connection Refused

Quick Update This is just a quick post to share my first 3.1.1 Oracle VM Manager (OVMM) troubleshooting experience. ...

Hard Drive: Inner or Outer?

To be precise, I wonder if OUTERmost tracks of a spinning HDD are faster than INNERmost tracks. Should we put physical ...

EBS: R12 Default OACORE Memory Settings Are Not Enough

Not many of you know that my day-to-day work focus is Oracle E-Business Suite :). Here goes for an EBS-related blog ...

Duplicate Database from Active Database — Just Works!

My friend Øyvind Isene suggested that I store a DUPLICATE RMAN script that works in a safe place in this tweet. @yvelik ...

EBS DBA: WF Mailer Override Address and Cloning: How to

I just recently faced an issue regarding how to automate the Workflow Mailer override address for development and ...

How to Install Oracle 12c RAC: A Step-by-Step Guide

Announcement Okay, back to school folks, back to school :). As with any new product, our long learning journey starts ...

How EBS Concurrent Processing Should Run on Oracle RAC

Suggested audience: Oracle Apps DBAs, Oracle e-Business Suite technical architects, and Oracle ATG team. Introduction ...

Emergency Recovery or RMAN DUPLICATE Rerun Just Works!

Working as a DBA often means facing high-pressure situations, especially during an on-call weekend. Recently, I was ...

Tools That Make Your Work with Oracle VM Easier

After completing your Oracle VM and Oracle VM Manager installation, you are ready to start your friendship with Oracle ...

This is How You Disable AUTO_TASKs in 11G

I find myself forgetting how to disable Oracle AUTO_TASKs on a regular basis. Therefore, I have decided to document it ...

My SLOB IO Testing Index

Previous References ALL Pythian blog posts with Post Tag #SLOB My First Experience Running SLOB – Status Update 1 – or ...

Oracle Direct NFS Configuration File Explained

While Oracle tech folks do their best to explain the meaning of not so many DNFS configuration file (oranfstab) ...

Oracle Direct NFS: How to Start

First of all, if you are using NFS to store Oracle database data files, I strongly advise you to enable Oracle Direct ...