If bigfile000_updated was just generated by another process (a database dump, a video render, or a simulation), that process may still hold an on the file.
: The disk where the file resides might be full or experiencing errors, preventing the file from being opened or updated. unable to open bigfile bigfile000 updated
The fluorescent lights of the server room hummed, a stark contrast to the silence of 3:00 AM. If bigfile000_updated was just generated by another process
If you have only the .000 file but no .001 or manifest, the archive is incomplete. The "updated" error means the software expected additional parts. a video render