Subject: Re: [vserver] hybrid zfs pools as iSCSI targets for vserver
From: Gordan Bobic <gordan@bobich.net>
Date: Sun, 07 Aug 2011 01:33:53 +0100

On 08/07/2011 01:09 AM, Herbert Poetzl wrote:

> assuming a TCP receive window of 64k (maximum) we end up
> with 750 kilobit per second at an optimal roundtrip time
> of 0.1 miliseconds, which means 93MB/s theoretical maximum
> for iSCSI over TCP/IP on gigabit ethernet.

This reminded me of something else - what tcp paramters are set in your 
sysctl.conf? What is your TCP window size? Have you done any tuning on that?

Gordan