C M Reinehr schrieb: > On Wednesday 16 January 2008 09:49, Ingo Jochim wrote: > >> C M Reinehr schrieb: >> >>> On Wednesday 16 January 2008 08:54, Ingo Jochim wrote: >>> >>>> Dan Langille schrieb: >>>> >>>>> Reply has been rearranged to retain chronological order. >>>>> >>>>> On Jan 16, 2008, at 9:22 AM, Ingo Jochim wrote: >>>>> >>>>>> Dan Langille schrieb: >>>>>> >>>>>>> Ingo Jochim wrote: >>>>>>> >>>>>>>> I create hard links for the files I want to backup so that while I >>>>>>>> do the backup the files can get deleted by someone else. >>>>>>>> >>>>>>>> The problem is that on an incremental backup I get a backup of all >>>>>>>> the files again like I got on a full backup. >>>>>>>> I create all the hard links right before the backup. A hard link >>>>>>>> points to the same file with the same date and so. >>>>>>>> Why does bacula backup all the files again? >>>>>>>> >>>>>>> Because the dates on the hard links are newer than the previous >>>>>>> backup. >>>>>>> >>>>>>> >>>>>>> Hi Dan, >>>>>>> >>>>>>> a hard link looks like the original file. So it always should have >>>>>>> the same date. >>>>>>> Below you will see that the hard link (second line) has the same >>>>>>> date at >>>>>>> the "original" file. >>>>>>> I created the hard link today but it also has the date from november >>>>>>> the >>>>>>> 23th. >>>>>>> >>>>>>> Ingo >>>>>>> >>>>>>> >>>>>>> [EMAIL PROTECTED] ~]# ls -l file.JPG >>>>>>> -rw-rw-r-- 2 root root 314099 23. Nov 15:58 file.JPG >>>>>>> [EMAIL PROTECTED] ~]# ls -l backup/file.JPG >>>>>>> -rw-rw-r-- 2 mother mother 314099 23. Nov 15:58 backup/file.JPG >>>>>>> >>>>> You create these hard links just before you run >>>>> each backup. Is that correct? >>>>> >>>> Correct. >>>> So I do like a snapshot. The original files can get deleted after the >>>> snapshot and I'm still able to finish my backup to tape. >>>> >>>> Ingo >>>> >>> Ingo, >>> >>> While the modification time is that of the original file, the access time >>> & creation time are that of the link. >>> >>> cmr >>> >> Ok. Got it. But how can I avoid that I get a new date? >> Is there a presereve parameter like on cp? >> >> Ingo >> > > The only thing that comes to mind would be to use 'touch' to modify the times > of the link to those of the original file. If you are using a shell script to > create your hard links you could modify it to obtain the times and then > execute touch with the appropriate options. > > cmr >
Good idea. So what is important for the backup? ctime or mtime? I't not able to reset the ctime. How can I have ls give me the time format I will need for touch to reset the time? 200012311800 <---> 31. Dez 2000 Ingo ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
