Re: [Bacula-users] Is anyone using >128K blocks with LTO-4 or LTO-5 drives?

2013-09-20 Thread Alex Crow
Original Message *Subject:* Re: [Bacula-users] Is anyone using >128K blocks with LTO-4 or LTO-5 drives? *Date:* Fri, 20 Sep 2013 14:22:55 +0200 *From:* Andreas Koch *To:* Thomas *CC:* bacula-users@lists.sourceforge.net Many thanks for the data point! When we use Bacula (not just bt

Re: [Bacula-users] Multi-cores compression

2012-03-30 Thread Alex Crow
On 05/03/12 21:37, Alan Brown wrote: > 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

Re: [Bacula-users] Multi-cores compression

2012-03-05 Thread Alex Crow
>> >> What about when you are encrypting? You have to do the compression in >> Bacula as once you've encrypted the data it can no longer be compressed >> by the drive (eg for LTO < LTO4 where the drive cannot encrypt.) > > Encryption programs generally compress as well in order to increase > entr

Re: [Bacula-users] HW crypto offload

2011-10-30 Thread Alex Crow
>> If it is supported in any way, I'd be happy to know. If not, what would >> be the best way about getting it implemented? > I'd want to be pretty sure its going to help before doing this. On my > (somewhat aged) development machine, OpenSSL can do AES-128 CBC at 55 > MB/s (bytes, not bits), so i

[Bacula-users] HW crypto offload

2011-10-18 Thread Alex Crow
Hi, We have set up a backup server that uses encryption in the File Daemon. However we find it is really slow, in fact we are only getting about 80Mbps (megabits, not -bytes) throughput while running 4 backup threads. This is backing up from an NFS-connected disk backup host that can easily sa