Cutover Planning | John Nessime

Post-Migration Checklist: What Breaks Quietly in the First 48 Hours

Post category:DevOps System Administration Technical Guides

Migrations rarely fail loudly. The site stays up while mail, cron, certificate renewal and the write path break silently behind it. A post-migration checklist for the first 48 hours, ordered by how long each failure can hide rather than by subsystem.

Oracle to Aurora Migration: The Failures Nobody Catches Until Cutover

Post category:Cloud Computing DevOps Technical Guides

Most Oracle to Aurora migrations don't fail loudly. They finish green, pass validation, and quietly hand you truncated LOBs, sequences stuck at 1, and empty strings that used to be NULL. Here are the four failure families to check before you cut over, with the SQL and task settings that catch them.