You will get Oracle 19c RAC + Data Guard Architecture for Zero-Downtime Systems

Azmat M.Status: Offline
Azmat M. Azmat M.
5.0

Let a pro handle the details

Buy Other Databases services from Azmat, priced and ready to go.
Azmat M.Status: Offline
Azmat M. Azmat M.
5.0

Let a pro handle the details

Buy Other Databases services from Azmat, priced and ready to go.

Project details

I will design and implement a production-grade Oracle 19c RAC cluster with Data Guard Disaster Recovery to ensure high availability, scalability, and business continuity for your critical applications.

With 18+ years of enterprise DBA experience, I specialize in building highly available database architectures used by banking, telecom, and fintech systems.

What I Will Deliver

• Oracle 19c X-Node RAC installation and configuration
• Oracle Grid Infrastructure and ASM setup
• SCAN, VIP, and private interconnect configuration
• Oracle Data Guard standby database (DR site)
• Redo log shipping and real-time replication
• RMAN backup and recovery setup
• Failover and DR testing
• Performance validation and tuning

This architecture provides continuous availability, fault tolerance, and disaster recovery protection for enterprise workloads.
Database Type
Oracle
What's included
Service Tiers Starter
$550
Standard
$1,100
Advanced
$2,200
Delivery Time 3 days 5 days 5 days
Number of Revisions
012
Source Code
-
-
-
Optional add-ons You can add these on the next page.
Fast Delivery
+$200 - $600

Frequently asked questions

5.0
2 reviews
100% Complete
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

KD

Kongta D.
5.00
Jun 9, 2025
database project

KD

Kongta D.
5.00
May 9, 2025
Need a tutor to help Database Transaction, Query Optimisation and Security
Azmat M.Status: Offline

About Azmat

Azmat M.Status: Offline
Oracle/MySQL/SQLServer/PostgreSql/Greenplum DBA 19y Exp.
5.0  (2 reviews)
Pind Dadan Khan, Pakistan - 8:56 pm local time

🎯 Certified Senior Database Architect | Oracle | PostgreSQL | MySQL | SQL Server | Greenplum | Redis | 19+ Years of Expertise

🚀 Are you looking for a highly skilled and certified database expert to manage, optimize, and future-proof your critical data infrastructure? Look no further! I’m a results-driven DBA with 18+ years of hands-on experience across major database technologies, cloud platforms, and high-availability environments.

🔐 Certifications:

Oracle Certified Professional (OCP) 10g/11g

Microsoft SQL Server (Admin & T-SQL Expertise)

Extensive real-world experience with PostgreSQL, MySQL, Greenplum, Redis, SQLite, and MariaDB.

🛠️ Core Skills & Expertise:

Database Architecture & Design (OLTP + OLAP/DWH)

Installation, Configuration & Upgrades (On-prem & Cloud)

High Availability: Oracle RAC, Data Guard, PostgreSQL repmgr, Redis Sentinel, SQL Server Clustering

Performance Tuning & Query Optimization

Backup & Disaster Recovery Planning (RMAN, pgBackRest, mysqldump, etc.)

Replication (Logical/Streaming/Bi-Directional)

Database Migration & Cross-Platform Upgrades

Security Hardening, Auditing & Compliance

Automation (Shell/Python Scripts, Cron Jobs)

DevOps Integration (CI/CD, Ansible, Docker, Terraform Basics)

Cloud Experience: AWS RDS, Azure SQL, Oracle Cloud, GCP

🧰 OS & Tools:

Linux (RHEL, Oracle Linux, Ubuntu), Windows Server

Tools: OEM, pgAdmin, SQL Developer, Toad, Percona Toolkit, SSDT, DataGrip

Monitoring: Nagios, Zabbix, Prometheus + Grafana

Version Control: Git, Bitbucket

📁 Recent Projects & Achievements:

✅ Built and maintained multi-node Oracle RAC + Active Data Guard setup with zero-downtime patching strategy

✅ Implemented PostgreSQL HA cluster with repmgr across three nodes including DR, along with automated full/incremental backup strategy

✅ Designed Redis HA environment using Sentinel with master/slave/DR node with intelligent failover logic

✅ Migrated several MySQL/SQL Server DBs to PostgreSQL and Oracle, ensuring data integrity and performance benchmarking

✅ Tuned large-scale DWH queries reducing report generation time by 60%

✅ Architected cross-region disaster recovery solution for PostgreSQL on AWS

🌍 I’ve worked with global clients in banking, fintech, telecom, and logistics sectors, ensuring secure, scalable, and high-performing data systems.

🤝 Why Choose Me?

100% focus on quality, uptime, and performance

Proven track record with complex enterprise-grade DB environments

Quick turnaround and flexible engagement models (part-time, hourly, fixed-price)

Excellent communicator and project partner — I don’t just “do,” I “own” your problem

📌 Available for:

DBA Support & Consulting (Short/Long-Term)

Health Checks & Optimization

Cloud Migration Projects

HA/DR Planning & Implementation

Data Warehousing & Reporting Support

Performance & Security Audits

I’m always eager to take on new challenges and help businesses get the best out of their database infrastructure. Let's connect and discuss how I can add value to your team or project.

Steps for completing your project

After purchasing the project, send requirements so Azmat can start the project.

Delivery time starts when Azmat receives requirements from you.

Azmat works on your project following the steps below.

Revisions may occur after the delivery date.

Environment Assessment

Review server specs, OS, network, and storage configuration. Define RAC architecture including public, private, VIP, and SCAN IPs, along with ASM disk layout and DR site connectivity.

Grid Infrastructure Installation

Install and configure Oracle Grid Infrastructure on all nodes. Configure Clusterware, ASM storage, voting disks, and OCR to prepare the environment for the RAC database.

Review the work, release payment, and leave feedback to Azmat.