>> >> > All the owner and group IDs (both the names and the numeric IDs) are >> >> > kept in the mirror_metadata files. By default, rdiff-backup will try to >> >> > restore to the same owner and group _names_. You can use the >> >> > "--preserve-numerical-ids" option to restore to the same numeric >> >> > UIDs/GIDs. >> >> >> >> That's great. Does the same sort of thing apply to file permissions? If so, I >> >> can mangle owners, groups, and permissions as badly as I want and they'll still >> >> be perfectly preserved when I restore? >> > >> > >> > Any writing to the mirror other than by rdiff-backup itself is highly >> > discouraged, but all of the metadata (ownership, permissions, ACLs, ...) >> > is stored separately from the mirror and should restore correctly. All >> > bets are off, though, if you add, delete, or change the contents of any >> > file there. >> >> Can I have the correct ownership and permissions re-applied to the mirror? > > > I don't know of any simple way to do that, unless you consider writing a > script to parse the current mirror_metadata file and apply the permissions > as "simple". Those permissions aren't really significant except when you > are copying files directly from the mirror rather than using rdiff-backup > to do the restore. The repository can, after all, reside on file systems > not compatible with Unix ownership/permissions (with varying degrees of > success, alas).
Thank you Bob. - Grant
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