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Recover raw reads for Linux and MacOS

Recover raw reads for Linux and MacOS

If MinKNOW™ ends a run without clearing up correctly, e.g. due to MinKNOW crash or unexpected computer shutdown, raw read data can be left in the /data/queued_reads/complete_reads_xxxx directory without being converted to pod5 files.

These raw data files can be converted into .pod5 files using a command line tool that is packaged within the MinKNOW suite:

  1. Open up a terminal window
  2. Navigate to the directory containing the recover_reads executable, by using the change directory command cd followed by the recover_reads executable location, usually in /opt/ont/minknow/bin for Linux users, and in /Applications/MinKNOW/bin for MacOS users. Newer MacOS users will find this located in /Applications/MinKNOW.app/Contents/Resources/bin/
  3. Run the following command to recover your raw reads: ./recover_reads "location of your raw reads" --output-directory "location to output your recovered pod5s

Please Note: The complete_reads_xxx folder should be the one generated during the time of the sequencing run that ended improperly. An example command is shown below: ./recover_reads /data/queued_reads/complete_reads_xxx --output-directory /data/../output Reads will be recovered to the --output-directory specified.

These can then be basecalled using the post-run basecalling option in MinKNOW or stand-alone Dorado.

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