Roy Caldwell began his career as a Database Consultant at Oracle, advising Fortune 500 clients on Oracle RAC and Data Guard, and leading performance‑tuning and disaster‑recovery initiatives that halved recovery time objectives. He later joined Google Cloud as a Senior Database Engineer, where he architected Cloud Spanner, Cloud SQL, and Bigtable solutions—reducing query latency by 45% and boosting throughput by 60% with automated failover pipelines. As Lead Database Architect at Vinchin, he now designs scalable, high‑availability infrastructures with proactive monitoring to sustain 99.99% uptime and enable zero‑downtime feature releases.
I love playing basketball and trying new taco recipes. I enjoy board games with friends, biking on nearby trails, and hiking in the woods. I also kayak on the lake, take photos of the stars, tinker with small robots, and hunt for the best cup of coffee.
Running Oracle in NOARCHIVELOG mode limits recovery options but can suit some needs. This guide explains what NOARCHIVELOG mode is and shows step-by-step how to use RMAN, cold backups, and Data Pump exports for reliable backups.
Jan 05 2026
Losing an Oracle datafile can halt your business. This guide explains what datafiles and backup pieces are, why restores matter, and shows clear steps for recovery using both RMAN and graphical tools. Read on to avoid downtime.
Jan 05 2026
XenServer powers key business systems. Disaster recovery is vital to avoid costly downtime and data loss. This guide explains what makes a backup solution reliable and highlights leading options for XenServer environments.
Jan 05 2026
Fast VMware recovery keeps your business running. Learn what features matter most in a backup solution and see how top tools deliver quick restores and strong protection.
Jan 05 2026
H3C CAS and UIS run key workloads for many businesses. Disaster recovery is crucial to avoid costly downtime. This article explains how to pick the best backup software and what features ensure fast, safe restores.
Jan 04 2026
Fast recovery is key for business continuity in virtualized environments. This article explains which Arcfra backup solution restores systems quickest and what features matter most so you can keep your operations running.
Jan 04 2026
XCP-ng users need fast recovery to avoid costly downtime. This article explains what makes a backup solution fast and compares top options. Learn how Vinchin Backup & Recovery stands out for speed and reliability.
Jan 04 2026
Oracle multitenant databases need careful backup planning. This guide explains how to back up both CDB and PDB using RMAN. Learn step-by-step commands, best practices, and key recovery scenarios.
Dec 23 2025
Oracle database backups are vital for disaster recovery. This article explains three clear methods for sending RMAN backups to Amazon S3. Learn each step and choose the best fit for your needs.
Dec 23 2025
Oracle RMAN backup pieces are vital for data protection and recovery. This guide shows how to list them with simple commands or queries. Learn to check status, find files, and solve common issues fast.
Dec 23 2025
The RMAN allocate channel disk command helps manage how Oracle databases back up or restore data using local disks. This article explains its purpose and shows you two ways to use it—manual and automatic allocation—so you can optimize your backups.
Dec 12 2025
RMAN is vital for Oracle 12c database backups. This guide shows the main configuration parameters and teaches you how to set each one for a safe and reliable backup strategy.
Dec 12 2025
