Tino Schwarze wrote: > On Sun, Jan 18, 2009 at 05:29:21PM -0600, Les Mikesell wrote: > >> > you have x number of remote hosts, all running the same OS and >> > presumably have almost identical files (size, permissions etc)? and you >> > want back one up and then clone that backup for each of the other >> > machines to avoid transfering the data numerous times? >> > >> > you should add the -H flag to cp or rsync to take hardlinks with: >> > >> > rsync -aH /var/lib/backuppc/pc/host1/0 /var/lib/backuppc/pc/host2/0 >> > cp -aH /var/lib/backuppc/pc/host1/0 /var/lib/backuppc/pc/host2/0 >> >> Since he is only copying one backup run there probably won't be any hard >> links within the run and cp/rsync won't know or care about links to the >> pool. What you really need here is to make a tree of hardlinks instead >> of a copy but I don't think any standard tools do that. > >> cp --help > [...] > -l, --link link files instead of copying > > So a cp -rl /var/lib/backuppc/pc/host1/0 /var/lib/backuppc/pc/host2/0 > should do the trick. > > Then you can trigger a full backup - the rsync will only transfer > changed files. > >> But, you are going to remove the extra copy as soon as a new full run >> completes so the space probably doesn't matter. The only place I think >> it might go wrong is if backuppc hard-links matching files in the next >> run to the copy from the previous instead of the hash match in the >> pool. If that's the case you will end up with files that persist >> under each PC's directories but never end up linked to the pool and >> thus to each other. > > The base backup host1/0 should be complete (e.g. BackupPC_link should > have been run). > > HTH, > > Tino. > That didn't seems to work, The files have different inode numbers: FileServer:~# ls -li /var/lib/backuppc/pc/vista-test/0/fC 4644195 -rw-r----- 3 backuppc backuppc 144 2009-01-22 07:55 attrib 4661809 drwxr-x--- 26 backuppc backuppc 4096 2009-01-22 06:53 fBoot 16778620 -rw-r----- 4 backuppc backuppc 2752 2008-12-26 09:21 fBOOTSECT.BAK 4840358 drwxr-x--- 2 backuppc backuppc 4096 2009-01-22 06:53 fConfig.Msi 4840370 drwxr-x--- 11 backuppc backuppc 4096 2009-01-22 07:43 fDocuments and Settings 4825126 drwxr-x--- 3 backuppc backuppc 4096 2009-01-22 07:55 fDokumente und Einstellungen
FileServer:~# ls -li /var/lib/backuppc/pc/vistabase/0/fC 4644195 -rw-r----- 3 backuppc backuppc 144 2009-01-22 07:55 attrib 17202565 drwxr-x--- 26 backuppc backuppc 4096 2009-01-26 22:39 fBoot 16778620 -rw-r----- 4 backuppc backuppc 2752 2008-12-26 09:21 fBOOTSECT.BAK 17202564 drwxr-x--- 2 backuppc backuppc 4096 2009-01-26 22:39 fConfig.Msi 3451763 drwxr-x--- 11 backuppc backuppc 4096 2009-01-26 22:39 fDocuments and Settings 17202590 drwxr-x--- 3 backuppc backuppc 4096 2009-01-26 22:39 fDokumente und Einstellungen -- Don't Panic ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ BackupPC-users mailing list [email protected] List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/
