The version of busybox used in the NAS326 firmware is 1.19.4 from 4 Feb 2012. This version of busybox contains a bug in the du command which makes it unable to understand sizes over 2TB. I just discovered this myself after buying my own NAS326 and wondering why the 3.6TB of data I synced from my TrueNAS server to a…
  • It seems that the format worked fine, it was just that the web interface did not go back to the desktop when it had finished formatting.