I wonder if the server was restarted with innodb_import_table_from_xtrabackup=1. From the symptoms, it looks like it was disabled. In which case it's clear why the import was not restarted.
I wonder if the server was restarted with innodb_ import_ table_from_ xtrabackup= 1. From the symptoms, it looks like it was disabled. In which case it's clear why the import was not restarted.