I have two identical servers, connected through a network with 9000 MTU.
The servers are running Debian Squeeze.

I install and configure the aoetools package, everything works as expected.

Benchmarking the drives locally delivers a result in the 300 MB/s range.

Running iperf between the two machines tells me they can push 112
MB/s, which seems very  good on my gigabit network.
I can download from the server using HTTP at a rate of cirka 110 MB/s.

I export a device using vblade, then make the filesystem directly on
the device and mount it.
Trying to read a file, with rsync --progress and dd, seems to clock in
at around 80 MB/s.
Writing a file, using the same methods, gives me a write speed of cirka 50 MB/s.
I have also tried using bonnie to benchmark the performance, with much
the same results.

I gave qaoed a spin, but saw pretty much the same results there.

I tried setting up iSCSI using iscsitarget and open-iscsi, and that
setup resulted in rates around 100 MB/s.

I really want to stay away from the iSCSI setup,
but I'm at the end of my wits with regards to getting the required
performance from AoE.

Any ideas as to what I'm doing wrong ?

-- 
Vennlig hilsen
Torbjørn Thorsen
Utvikler / driftstekniker

Trollweb Solutions AS

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