What happens if the stream is interrupted? How long do you wait for it to start? When do you tell the user? What do you tell the user? What options do you give

What happens if the stream is interrupted? How long do you wait for it to start? When do you tell the user? What do you tell the user? What options do you give them? Do they even care? What if the disk you're writing to disappears? What if you're doing multiple files but only one of them fails? What if power cuts in the middle of a transfer? What if the destination directory gets renamed? What if the destination volume gets renamed? What if the write speed goes into a hole because the SSD decided now was a good time to start page compaction but the inbound data keeps piling up? What happens if the metadata doesn't come over correctly or is missing? When do you submit the arriving file for indexing? When do you submit the arriving file for security scanning? Nothing is straightforward in software. It takes a lot of work to make it look easy.