This is a very well know issue (and frequently reported in all distros) in the way Linux handles i/o. One possible solution is to switch to the BFQ scheduler, e.g. seee https://old.reddit.com/r/Fedora/comments/ay7dkh/linux_large_transfers_freeze_system_high_io/
This is a very well know issue (and frequently reported in all distros) in the way Linux handles i/o. One possible solution is to switch to the BFQ scheduler, e.g. seee https:/ /old.reddit. com/r/Fedora/ comments/ ay7dkh/ linux_large_ transfers_ freeze_ system_ high_io/