On Thu, Jan 28, 2010 at 1:36 PM, Pasi Kärkkäinen <pa...@iki.fi> wrote:

> Please check these news items:
> http://blog.fosketts.net/2010/01/14/microsoft-intel-push-million-iscsi-iops/
> http://communities.intel.com/community/openportit/server/blog/2010/01/19/1000000-iops-with-iscsi--thats-not-a-typo
> http://www.infostor.com/index/blogs_new/dave_simpson_storage/blogs/infostor/dave_simpon_storage/post987_37501094375591341.html
> "1,030,000 IOPS over a single 10 Gb Ethernet link"
> "Specifically, Intel and Microsoft clocked 1,030,000 IOPS (with 512-byte
> blocks),
> and more than 2,250MBps with large block sizes (16KB to 256KB) using the
> Iometer benchmark"
> So.. who wants to beat that using Linux + open-iscsi? :)

A few comments:
* A throughput of 2250 MB/s over a 10 Gb/s link is only possible when
running read and write tests simultaneously and when counting the traffic
that flows in both directions.
* These results say more about the NIC used than about they say about the
iSCSI initiator "software" used. A quote from
Topics we discuss include [ ... ] Advanced iSCSI acceleration features in
Intel Ethernet Server Adapters and how they work with the native iSCSI
support in Windows Sever 2008 R2.


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