I also just do this. However I have already found 2 photos that got randomly corrupted, and I don't know how to prevent that.
If you are fine with changing your file system, check out zfs. It stores checksums with your data, and can, if configured to store multiple copies, repair corruption.
If you are fine with changing your file system, check out zfs. It stores checksums with your data, and can, if configured to store multiple copies, repair corruption.