On Thu, Jan 7, 2010 at 1:16 AM, Chris Worley <worl...@gmail.com> wrote: > 3) In my iSCSI (tgt) results using the HCA as a 10G interface (not > IPoIB, but mlnx4_en), comparing this to the results of using the same > HCA as IB under SRP, I get much better results with SRP when > benchmarking the raw device, as you'd expect. This is w/ a drive that > does under 1GB/s. When I use MD to mirror that SRP or iSCSI device w/ > an identical local device, and benchmark the raw MD device, iSCSI gets > superior write performance and about equal read performance. Does > iSCSI/TGT have some special hook into MD devices that IB/SRP isn't > privy to?
Regarding the write test: were the targets configured for write back or for write through ? Bart. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
