Maybe I'm reading those benchmarks wrong, but they appear to max out well under 10GB/s. This would mean you'd be CPU bound on your checksums alone with one of those Seagate cards.

That is a Xeon Phi, a modern Xeon with 10+ cores should do tens of GB/s

https://cloud.githubusercontent.com/assets/472018/13333262/f...

https://github.com/zfsonlinux/zfs/pull/4330

Hmm, I for one don't want to tie up ten cores with IO.

If you aren't checksumming your data, is it truely your data?

Who checksums the checksummers? ;)

You can't handle the checksum

Mr Edward Checksum Checker.

Update: At least 1 person didn't get this joke :D

> Hmm, I for one don't want to tie up ten cores with IO.

What else are you going to use the two CPUs in a filer for?

On a single thread.

ZFS is well pipelined for multicore throughput.

Although not recommended, you can turn checksum off. The granularity is at the dataset level, too, so you have a lot of flexibility.