Jack is an experienced software engineer specializing in virtualization and data protection. With a background at leading companies like IBM and VMware, he currently serves as a technical consultant at Vinchin. Jack has designed and optimized enterprise-grade backup and recovery solutions for diverse virtualized environments. He has strong hands-on expertise in VMware and cloud infrastructure security. Jack specializes in building scalable, reliable systems that enhance data integrity and reduce downtime. He also creates technical documentation and shares best practices to help IT teams effectively manage virtual infrastructures.
Jack is passionate about new technologies and enjoys staying up-to-date with the latest innovations. Outside of work, he likes singing, traveling, and visiting art galleries. These hobbies help him relax and bring fresh inspiration to his life.
Oracle databases hold vital business data. This article explains how to protect them using RMAN. Learn step-by-step methods for full, incremental, and tablespace-level backups so you can keep your data safe and recover fast if disaster strikes.
Dec 09 2025
The RMAN catalog helps protect Oracle backups by storing metadata in a central place. This guide shows you how to create the catalog, register databases, and keep your backup records safe and organized.
Dec 09 2025
Archivelogs are key for Oracle database recovery. Knowing which sequences are backed up helps prevent data loss. This guide shows two ways to list backup archivelog sequences and gives practical tips for DBAs.
Dec 09 2025
Archive logs help recover Oracle databases but can fill up storage fast. This guide explains what they are and gives clear steps for deleting expired archivelogs using RMAN or SQL*Plus. Learn how to keep your system clean and reliable.
Dec 01 2025
Creating a standby database from an active Oracle system is vital for business continuity. This guide shows you two clear ways—using RMAN and Data Guard—to set up a reliable standby and avoid downtime.
Dec 01 2025
Kubernetes uses pod restart policies to control container recovery after failure. This guide explains each policy type and shows how to choose the right one for your workload. Read on to avoid downtime and wasted resources.
Nov 28 2025
RMAN Duplicate From Active Database lets you clone Oracle databases fast without downtime. This guide explains the process and gives clear steps for both manual and automated duplication.
Nov 27 2025
Archivelogs are vital for Oracle database recovery and compliance. This guide shows clear steps to list archivelog files using SQL*Plus and RMAN. Learn best practices for managing logs safely.
Nov 27 2025
RMAN backup status shows if your Oracle backups work as planned. Learn why checking this matters and discover three clear ways to monitor and troubleshoot your backups. Read on for practical steps.
Nov 27 2025
Oracle admins must keep backup catalogs accurate. This article explains RMAN crosscheck basics and advanced options. Learn how to verify your backups and avoid restore failures.
Nov 27 2025
MySQL is a popular choice for databases in Kubernetes clusters. This article shows you clear steps for deploying MySQL with Helm or an Operator and managing it for reliability. Read on to learn best practices for running MySQL in your environment.
Nov 27 2025
Ubuntu is a popular choice for running kubernetes due to its stability and support. This article guides you through installing kubernetes on ubuntu with step-by-step instructions for different tools and tips for cluster protection.
Nov 26 2025
