Check file integrity script

Is it possible to check if all files are good on external server ? i have ssh access and would like to perform that remotly without downloading all files.

How capable is the remote server? If it can run restic and has enough ram to handle your repository*, you could simply run a restic check --read-data on the remote server.

A quick forum search shows that this has been discussed in more detail previously. For example here.

*I don’t know the ram requirements of restic check, but certainly restic backup on my repository uses too much ram for my diminutive NAS. I’d therefore need to carry-out a manual hash comparison as discussed by @fd0 in the example above.

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What @Nev wrote. I do that all the time, run restic on the repository server for various maintenance.