On Wed, Mar 13, 2013 at 04:00:48PM -0400, Ewen Chan wrote:
> I'm running on a 30 TB server with about 1.4 million files.
> 
> I think that at last audit, the single largest file is 45 GB (as an example).
> 
> And I'm prepping to run AES-256-CBC.
> 
> The host system has a SATA 6 Gbps, 10 drive, RAID5 array; so I'm
> pretty sure that I can peg (or at least supply) the full 6 Gbps
> bandwidth for encryption.
> 
> I'm currently using OpenSSL 0.9.8, and evaluations to upgrade to the
> latest openssl package is also being considered at this time (as well
> as possible a change to the host system OS to Linux (e.g. Ubuntu
> 12.04) or Solaris 11) or that I am just going to stream the data over
> 10 GbE connection (by mounting over SMB/NFS and running the encryption
> using the client processor, but the data is just being passed through
> during the encryption process - no data is stored on the client system
> post-encryption).
> 
> The openssl wasn't recompiled from source; but whatever's
> built/included with the OS.

Why not use the latest Linux kernel full disk and/or partition encryption via 
dmraid or other technique, which has AES-NI support in-kernel, to avoid 
userspace overhead which will be considerable with such throughput goals?

Matthew.
______________________________________________________________________
OpenSSL Project                                 http://www.openssl.org
User Support Mailing List                    openssl-users@openssl.org
Automated List Manager                           majord...@openssl.org

Reply via email to