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
>
>
>
>
>
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