[Stgt-devel] Different throughput numbers on SLES 10 and RHEL 5.1

[Robin Humble]

On Thu, Feb 28, 2008 at 08:30:09AM -0600, Mike Christie wrote:
>Erez Zilber wrote:
>> I'm using the same initiator (open-iscsi 865.15 from OFED 1.3 rc4) and
>> the same target machine. The target machine has 2 partitions - one is
>> SLES 10 & the other is RHEL 5.1. When I run READ commands against the
>> target on SLES 10, I get ~400 MB/sec (which is the throughput of the
>> LUN). When I run the same READ commands from the same initiator against
>> the target on RHEL 5.1, I get only 240 MB/sec.
>Is the target by any chance running on a x86_64 box?

ok, now I'm curious :-)
why might the arch a target's running on make a difference?

cheers,
robin