>>>>> On Tue, 28 Jun 2005 09:24:14 +0200, Kern Sibbald <[EMAIL PROTECTED]> said:
Kern> On Monday 27 June 2005 22:24, Martin Simmons wrote: >> >>>>> On Mon, 20 Jun 2005 10:20:49 +0200, Arno Lehmann <[EMAIL PROTECTED]> >> >>>>> said: >> Arno> Hello, >> Arno> Siju George wrote: >> >> On 6/20/05, Siju George <[EMAIL PROTECTED]> wrote: >> >>> Hi, >> >>> >> >>> >> >>> I am looking at Bacula >> >>> but the line >> >>> # Files deleted after a Full save will be included in a restoration. >> >>> in >> >>> http://www.bacula.org/rel-manual/Current_State_Bacula.html >> >>> under >> >>> Current Implementation Restrictions >> >>> makes me a little apprhensive. >> >>> Is Bacula actually not able to backup Directory structures?? >> >>> >> >>> i.e >> >>> >> >>> If in a Directory "dir1" I have "file1", "file2" & "file3" and I take >> >>> a full backup "backup1" on "Day1" the I delete "file2" from "dir1" >> >>> and take a differential backup "backup2". >> >>> >> >>> Now I should be able to restore "dir1" from "backup2" with only >> >>> "file1" and "file2" >> >> >> >> Sorry :-( this should read as "file1" & "file3" >> Arno> You _can_ restore file1 file2 and file3 in dir1. However, when you >> use Arno> bacula to manage a restore and tell it to make a complete restore >> it Arno> will restore all three files. Arno> If you tell bacula to only use the differential backup then, of >> course, Arno> file2 will not be restored. Usually you will not do this >> because it's Arno> baculas job to keep track which jobs and volumes it >> needs to restore :-) >> Arno> So, of course bacula saves and retrieves directory structure, but >> it Arno> does not keep track of deletions. >> Arno> The latter would require a complete compare of all directory >> entries to Arno> be backed up with what bacula has in its catalog and thus >> would be very Arno> resource intensive. Kern> One day in the near future, I will do exactly this. I've now finally figured Kern> out a simple way to do this -- but darn, I forgot to write it down. Oh well, Kern> it will come to me again :-) >> >> Done correctly, it should be possible to do all the work in restore for >> filesystems that work properly. Backup just has to record the inode number >> for each changed file. Kern> The problem is that inode is a machine specific concept. Though it can be Kern> simulated, it doesn't exist on Win32 or Mac (well perhaps on OS X). Though Kern> this would work nicely as you say, I always like to do things in machine Kern> independent ways. Good luck remembering it -- I don't see how you can do it without the inode number to detect which files are the same! __Martin ------------------------------------------------------- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477&alloc_id=16492&op=click _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
