You’re looking for a block level incremental backup solution. This can either be achieved using filesystem based snapshots (ZFS, BRRFS) or using dedicated programs. I know rdiff-backup , restic and duplicity use block-level diffs, not sure about rsnapshot.
You’re looking for a block level incremental backup solution. This can either be achieved using filesystem based snapshots (ZFS, BRRFS) or using dedicated programs. I know rdiff-backup , restic and duplicity use block-level diffs, not sure about rsnapshot.