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 saturate a 1Gbps link when I just dd the contents of a large file
to /dev/null on the backup server. It's actually taking us nearly a week
now to do a fortnightly backup of 16TB.
I've noticed that crypto cards from Exar are supported by OpenSSL and
seen to provide support for AES-CBC. From a previous message on this list:
http://adsm.org/lists/html/Bacula-users/2010-04/msg00232.html
it seems someone looked at patching to support offload, however I cannot
find any outcome from this.
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?
Best regards
Alex
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