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Partial torrent downloads wont complete?


justme3

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Posted

hi i am trying to download some files from a torrent.

 

Utorrent tells me they are finished downloading.

 

I transfer them to another location, and i point the torrent to the new location and forced a recheck.

 

Utorrent tells me then that they are incomplete?

 

why is this? is uttorrent not flushing the cache to the files?

Posted

Were you skipping files?

 

yes ofcourse, that s what i mean by partial download of a torrent, I just need some of the files inside a torrent not the full torrent.

 

SO it cannot be done?

Posted

It's not relevant to your issue.

why cannot I just keep the ~uTorrentPartFile_6F630CA0B.dat file for utorrent to recognise as complete

 

SO are the files really incomplete or is utorrent just recognising it as incomplete?

Posted

 

 

SO are the files really incomplete or is utorrent just recognising it as incomplete?

does anyone know the answer? I cannot download 300GB file i need just some files

Posted

why cannot I just keep the ~uTorrentPartFile_6F630CA0B.dat file for utorrent to recognise as complete

 

SO are the files really incomplete or is utorrent just recognising it as incomplete?

does anyone know?

Posted

When you move the files, that partfile becomes invalid.

Let uTorrent re-download the cross-file pieces if you're going to continue to skip files.

so its a matter of location is it?

 

so cross-files are used for torrent integrity? what happens if you download all the files tamper with a file and reseed?

Posted

If you don't force a re-check, the downloaders will stop downloading from you.

If you force a re-check, the invalid parts will be discarded.

but didnt you say the parts are just chunks of data and torrent cannot detect each chunk from another?

 

i can tamper with the middle parts and not the ends where the crosslinks seem to reside?

 

so ahash check isnt enough?

Posted

If you tamper with the files AT ALL and don't run the re-check, you will send out the tampered pieces.

Those tampered pieces will fail the validation on the other side, and the downloader will disconnect from you, ban you from connecting to them, stop connecting to you, and download the pieces from elsewhere.

Posted

If you tamper with the files AT ALL and don't run the re-check, you will send out the tampered pieces.

Those tampered pieces will fail the validation on the other side, and the downloader will disconnect from you, ban you from connecting to them, stop connecting to you, and download the pieces from elsewhere.

awesome now why does the torrent client add these cross pieces to stuff up selective downloading, and not just do a has check on individual files?

 

why the extra step ? if you force a recheck anyway?

Posted

Multi-file torrents were an afterthought to the original protocol.

Selective downloading was a further afterthought to that.

The cross-file pieces aren't added specifically to fuck with selective downloading.

ok thanks for the info :P

 

can the protocol be changed or the client and torrent generator alter the processing of the protocol?

Posted

backwards compatibility.

thats so backward thinking LOL

 

why doesnt Utorrent make a X version and lock files to that one particular client?

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