On Mon, Jan 11, 2010 at 7:30 PM, Pete French
<petefre...@ticketswitch.com> wrote:
>> GELI+ZFS and Debian Linux with MDRAID and cryptofs. Has anyone here
>> made any benchmarks regarding how much of a performance hit is caused
>> by using 2 geli devices as vdevs for a ZFS mirror pool in FreeBSD (a
>
> I havent done it directly on the same boxes, but I have two systems
> with idenitical drives, each with a ZFS mirror pool, one wth GELI, and
> one without. Simple read test shows no overhead in using GELI at all.
>
> I would recommend using the new AHCI driver though - greatly
> improves throughput.

How fast is the CPU in the system showing no overhead? Having no
noticable overhead whatsoever sounds extremely unlikely unless you are
actually using it on something like a very modern dualcore or better.

- Sincerely,
Dan Naumov
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