On 05/03/12 19:51, Alex Crow wrote:

> Thanks Alan,
> 
> I am specifically addressing the encryption support within Bacula:
> 
> http://www.bacula.org/en/dev-manual/main/main/Data_Encryption.html

Openssl compresses _if_ compiled with zlib (it usually is)

It's not hard to test, write to a file instead of tape media and compare
size vs a tarball.

If you are using a LTO device with built-in encryption then it's much
faster as there is a dedicated engine for the task (LTO encryption is
posrtable across drives as long as the key is retained)

On that basis I'd only use bacula encryption for disk-based backups or
on tape devices without builtin encyption.







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