Zitat von Phil Stracchino <alaric AT metrocast DOT net>:

> On 08/22/12 11:18, lst_hoe02 AT kwsoft DOT de wrote:
>> Zitat von lst_hoe02 AT kwsoft DOT de:
>>> according to the manual client based software compression is not
>>> useful when using tape drives with builtin compression like LTO. Is
>>> this still true when using data encryption? With this the encrypted
>>> data are normally not really compresable anymore but a compression on
>>> the client before encryption could be useful, no?
>>>
>>> Any opinion on this?
>>
>> Anyone aware if i'm right that compression is happening *before* encryption?
>
> It's certainly *supposed* to.  Encryption works better when redundancy
> is eliminated from the cleartext before encryption, plus there's a
> smaller volume of data to encrypt.

On inspecting the "problem" a bit closer i found that openssl  
encryption itself is able to do compression because of the reason for  
better encryption and it even is the default to do so. Can anyone  
confirm that Bacula encryption let openssl also do compression?

Regards

Andreas



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