checksum VS hashdeep

Alternatively, you could run https://corz.org/windows/software/checksum/ on your music collection, and use the hash file to check that your backups are the same as the source. Source: about 1 year ago

The next thing you want to look into is file integrity. Files can get corrupted & if you update your backup with a corrupted version of the file the backup isn't much help. If you're hoping to retain data for an extended period of time look into file hashing. I use https://corz.org/windows/software/checksum/ but there likely better options out there, I haven't looked recently. I like that the corz checksum... Source: about 2 years ago

For example https://corz.org/windows/software/checksum/. Source: over 2 years ago

Otherwise check out Hashdeep: https://github.com/jessek/hashdeep/. Source: over 1 year ago

I use hashdeep. You have to install ipkgui on Synology and then md5deep through that which includes hashdeep (or just use md5deep). You can read up on hashdeep/md5deep here in the docs folder: https://github.com/jessek/hashdeep/. Source: almost 2 years ago

Started to be able to bring some order after I discovered hashdeep. Basically I started from a reasonably clean disk with folders to sort files, created lists of hashes using hashdeep, then used it to scan all my existing disks for unknown files. With the correct flags hashdeep can list all files it finds on a disk that it has not in its lists already. That help a lot to figure out what is worth wasting time on.... Source: about 2 years ago

MD5Deep / HashDeep - Windows and Linux options. For Windows on right under "Releases" v 4.4: https://github.com/jessek/hashdeep/. Source: about 2 years ago

MD5Deep/HashDeep: https://github.com/jessek/hashdeep/ (download file under "Releases" on right hand side). Source: about 2 years ago