Poisson Media Recovery

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Poisson Media Recovery project can be used to retrieve slightly damaged files from CD-ROM media.

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Poisson Media Recovery project can be used to retrieve slightly damaged files from CD-ROM media.

It sequentially mounts and umounts the device, and on each mount it tries to read as many new 512 byte sectors as possible.

I was able to use this tool to save some files from old CDs.

Requirements:

/mnt/cdrom must not be mounted initially
There must be enough free space at /tmp to hold largest file on the cdrom

USAGE:

poisson_media_recovery.sh DEVICEMOUNT FULL_FILE_PATH RESULT_FILE

DEVICEMOUNT (e.g. /mnt/cdrom) must be a valid mount path (see /etc/fstab).

FULL_FILE_PATH (e.g. /mnt/cdrom/myfile) is an absolute path into the file to be recovered. RESULT_FILE (e.g. /tmp/myfile) is the path to the file that needed to be recovered.

EXAMPLE:

poisson_media_recovery.sh /mnt/cdrom /mnt/cdrom/mybrokenfile /tmp/savedfile
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Last updated on August 22nd, 2007

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