Am Sonntag 01 Juli 2007 15:39 schrieb Matthias Meyer:
> Hello,
>
> I am not sure that the backup optimization through pool/hardlinks really
> work.
> The web-interface shows me that it not work :-(
> In the File Size/Count Reuse Summary cut off I see:
> Totals Existing Files New Files
> Backup# Type #Files Size/MB MB/sec #Files Size/MB
> #Files Size/MB
> 0 full 16070 1000.1 0.92 495 0.0 0 0.0
> 1 incr 205 62.9 0.47 0 0.0 0 0.0
> 2 incr 281 65.1 0.66 4 0.0 0.0
> 3 full 91724 1914.9 0.53 437 0.0 0.0
> 4 incr 35 3.3 0.02 3 0.0 0.0
> 5 incr 72 3.9 0.03 5 0.0 0.0
> 6 incr 6161 438.3 0.45 29 0.0 0.0
> 7 incr 815 43.9 0.12 6 0.0 0.0
> 8 incr 91 1.3 0.01 4 0.0 0.0
> 9 full 92923 1974.2 0.49 445 0.0 0.0
>
> In clear words e.g. backup #9:
> This full backup found 92923 files with a size of 1.9 GB. 445 of this
> filess are already backuped and found in pool but with a size of 0 MB.
>
> From the 92923 files are 445 already in pool and 0 new files? I believe
> that must be 92478 files. Also I believe that more than 80% of the files
> are unchanged. Therefore more than 74000 files should be already in the
> pool.
>
> In the next topic, the Compression Summary:
>
> Existing Files New Files
> Backup# Type Comp Level Size/MB Comp/MB Comp Size/MB
> Comp/MB Comp
> 0 full 9 0.0 0.0
> 1 incr 9 0.0 0.0
> 2 incr 9 0.0 0.0
> 3 full 9 0.0 0.0
> 4 incr 9 0.0 0.0
> 5 incr 9 0.0 0.0
> 6 incr 9 0.0 0.0
> 7 incr 9 0.0 0.0
> 8 incr 9 0.0 0.0
> 9 full 9 0.0 0.0
> the webinterface documents that every backup, also backup #9, contains 0
> exisiting files and 0 new files.
>
> Do I missunderstand the webinterface?
Also a check of the used inodes let assume that the files are not pooled.
The file I checked is written by me and noch change since years:
vdr:~# ls -alh /debiandowngrades/install.txt
-rw-r--r-- 1 root root 473 2005-08-20 14:28 /debiandowngrades/install.txt
Than I searching this file in the backup:
FileServer:~# find /Backup/pc/vdr -name finstall.txt -exec ls -i {} \;
563025 /Backup/pc/vdr/10/f%2f/fdebiandowngrades/finstall.txt
509047 /Backup/pc/vdr/3/f%2f/fdebiandowngrades/finstall.txt
where 3 and 10 are full backups. I have also 4-9 and 11-13 which are
incremental backups and not contain this file (because it is not changed!).
I've configured backuppc with tar and compression 9.
Thank you for any hint where are my mistake(s).
--
Don't Panic
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