On 12/04/2012 05:44 PM, Grant wrote:
>> > 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).
--
Bob Nichols "NOSPAM" is really part of my email address.
Do NOT delete it.
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