Hi
Thank you for all your suggestions.
We work currently with the distributions packages, and they are in 5.x
version (in CentOS 7). But I saw that Debian Stretch will provide 7.4
version, it may be a good opportunity to migrate :-)
Also, good idea to disable compression for some file extensions, I'll
give it a look !
Regards
Norbert
Norbert GOMES
Université d'Orléans
Le 19/02/2017 à 09:53, Kern Sibbald a écrit :
> 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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