Op 5/03/2012 22:37, Alan Brown schreef:
> 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
> portable across drives as long as the key is retained)
Except for the fact that bacula doesn't support hardware LTO encryption...
> On that basis I'd only use bacula encryption for disk-based backups or
> on tape devices without builtin encyption.
Regards,
Jeremy

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