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tl;dr: How do I cross-seed the same file on two trackers, when the .torrent files have the same hash?

I downloaded a file from tracker A, and I want to seed it there. But I also wanted to simultaneously seed the file at tracker B. I downloaded the .torrent file for the file at tracker B, and added it to qBittorrent, with the correct "save as" directory. But instead of adding the new torrent for tracker B, qBittorrent connects tracker B to the already existing torrent. Now I only have one torrent, with both trackers connected to it, instead of two torrents with one tracker connected to each. This is against the rules of those trackers.

How do I fix this?

UPDATE:

It seems that the .torrent files are near-identical when opened in notepad, besides that they have different trackers's addresses inside them.

Found someone else with the same problem:

https://github.com/qbittorrent/qBittorrent/issues/269

You need to have the torrent data in 2 different locations... this is the same with any torrent client as far as I know.

Thanks for the help, but could you clarify:

So you mean to say that I need to make a copy of the file I want to seed, and paste it in a separate location or under a different name in order to seed it on separate trackers? There's absolutely no setting or any way around this, on any client (besides maybe running two separate instances of the client, or running two clients)?

Also, newbie question, if you would be kind to answer:

Why is it that some torrents that have identical files, filenames, folder names, and piece sizes, while having different hashes (while others have identical hashes under the same circumstances)? If I were to download a torrent from tracker A and upload it to B for the first time, how would I be sure that the two .torrents have different hashes?

Yes, or I think it could be done with 2 different "named" torrents... I (think) this would work pointing it to the same file/folder. As long as they seed only!... lots of chaos would happen if you tried to, for example, download to the same file across multiple torrents.

As to the other question, I just tested this and indeed the same file with a different tracker (and named different) gives a different hash. If your only goal is to be sure you get a different hash, just change the torrent name or (torrent data) file name.