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Re: [rdiff-backup-users] File ownership on a portable drive

From: Grant
Subject: Re: [rdiff-backup-users] File ownership on a portable drive
Date: Mon, 3 Dec 2012 11:47:51 -0800

>> For a long time I had rdiff-backup push backups to an external hard disk
>> attached to my desktop.  I moved and put the desktop in storage and now I'm
>> putting the backup system back together with my laptop taking the place of the
>> desktop.  I noticed that ownership info seems to be lost from the repository
>> since the hard disk is attached to a different system now.  Does rdiff-backup
>> preserve the ownership info in a different way or is it gone for good?
> 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?

- Grant

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