On 02/18/2017 09:01 PM, compdoc wrote: > On 02/17/2017 10:18 AM, Norbert Gomes wrote: > >> I read that LZO would be faster, but when I enable it (compression="LZO" >> in the FileSet Include Options), no compression is applied > I use LZO to backup my jpeg images, that are stored on SSDs. I used to > use gzip2 for speed, and in the hopes it wouldn't damage the images as > much as higher levels of compression might. > > Now, I hope LZO doesnt damage them, and I consider restoring them from > backup is not ideal, but better than not having them.
All types and levels of compression in Bacula decompress to *exactly* the same bytes. There is no loss. As you mention when going from certain files such as .wav to .mp3 they lose a certain amount of information. It all depends on the compression technique used. Regards, Kern > > Would it be better to create a job that uses no compression for .jpg files? > > > Currently: > > FileSet { > Enable VSS = yes > Include { > Options { > ... > } > Options { > compression = LZO > signature = SHA1 > } > File = "C:/" > File = "D:/" > File = "F:/" > } > } > > > From the logs: > > Backup Level: Differential, since=2017-02-13 12:45:02 > Client: "" 7.4.4 (28Sep16) Microsoft Professional > (build 9200), 64-bit,Cross-compile,Win64 > Priority: 10 > FD Files Written: 132 > SD Files Written: 132 > FD Bytes Written: 17,883,070 (17.88 MB) > SD Bytes Written: 17,902,783 (17.90 MB) > Rate: 95.1 KB/s > Software Compression: 65.9% 2.9:1 > Snapshot/VSS: yes > Encryption: no > Accurate: no > > > > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, SlashDot.org! http://sdm.link/slashdot > _______________________________________________ > Bacula-users mailing list > Bacula-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bacula-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users