Thank you for the swift response! I was not referring to that post, however it is a good source of additional info.
May I ask a follow up question. My jobs change contents of the source folder, e.g. by moving files or by changing files. Is it harmful if one job changes source folder contents while the other job is in the middle of a restic backup? I.e., should I establish sequential processing of my jobs?
restic will throw a warning if the preliminary scan found a file or directory which can not be found during the actual backup task. The backup job does continue in this case but will of course not contain this file/directory. If this is a problem you can add filesystem snapshots to your backup jobs.
Note that you might wind up with some duplicate data in the repository if both restic processes encounter the same new data at the same time. This is actually a fairly common occurrence and isn’t an error, only a temporary inefficiency. A future restic prune operation will remove the duplicates.