Migrating a Synology NAS to a UniFi UNAS Pro 8 with Robocopy, SMB Multichannel, and Surprising Performance Traps
Summary
Scott Hanselman documents migrating data from a Synology NAS to a UniFi UNAS Pro 8 using Robocopy and SMB Multichannel. The post explores real-world issues such as Alternate Data Streams, file system limitations, and how to tune Robocopy switches (DATX, DCOPY, /MT, /Z, /J) for better performance, including a practical command sequence and verification steps. It provides actionable insights for SMB-based migrations and highlights how to analyze performance bottlenecks.