cd-burning/tapeing rdiff-backups?

[Gregor Zattler]

Hi Ben,
* Ben Escoto <bescoto@stanford.edu> [03. Sep. 2002]:
> >>>>> "GZ" == Gregor Zattler <texmex@uni.de>
> >>>>> wrote the following on Tue, 3 Sep 2002 13:10:54 +0200
> 
GZ>> How do i achive the copying of the incremets? Would cp -a
GZ>> /backup/*2002.07.* /backbackup catch all necessary files?
>  
>   >> No, the backup files will be in several directories in
>   >> /backup/rdiff-backup-data.
> 
GZ>> ?? but "cp -a" also traverses directorys?
> 
> Yes, but the directories names do not necessarily contain "2002.07.".
> An increment called
> 
> /backup/rdiff-backup-data/increments/foo/bar.2002-07-01T04:22:02-07:00.dir
> 
> would not be copied by your command.

A mistake. So cp -a ...*2002-07-*  will do the trick.


GZ>> My rdiff-backup slowly gets to large.  Say i can hold only one
GZ>> month of increments on disk.  I can --remove-older-than
GZ>> increments to free Diskussion space.  But before i do that i
GZ>> want to backup this increments to CDs.  I want to do this every
GZ>> month.  So in the unprobably but not impossible case i want to
GZ>> restore a file in a the status months ago i can somehow[1]
GZ>> restore the rdiff-backup directory from CD using say tar or cpio
GZ>> and then restore this file as of 2002-03-27 using rdiff-backup.
> 
> Ok, I get it.  As I think you mentioned earlier, rdiff-backup only
> adds files and directories to rdiff-backup-data, it never modifies or
> deletes any (except for the 2 log files, and it modifies directories
> in the sense that it adds files to them).
> 
>     So if you want a list of files that needs backing up you can
> probably just use find to find the new files, as in "find
> ./rdiff-backup-data -ctime -3" will find files newer than 3 days old.
> 
>     Offhand I don't know how to use this to copy them over, but it's
> probably possible using cp and xargs, or some other shell utility.
> (Perhaps someone else knows.)  Worst case you will have do a bit of
> shell scripting...

Ahh. using "find" is a good idea.

Thanx for your patientness.

Ciao, Gregor
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