This - I thought of URE as he mentioned Raid5 but the disk size was ok (1tb). But this scenario? Lost almost all his data? I once closed the terminal window wh

This - I thought of URE as he mentioned Raid5 but the disk size was ok (1tb). But this scenario? Lost almost all his data? I once closed the terminal window where I spawned gparted from while resizing a partition with it... this was nerverracking