> >> >The numbers look too small for a 7 disk RAID: > >> > > >> > > #dd if=testdir/testfile of=/dev/null bs=16384 > >> > > > >> > > -2.6.30-rc6 > >> > > 1048576+0 records in > >> > > 1048576+0 records out > >> > > 17179869184 bytes (17 GB) copied, 224.182 seconds, 76.6 MB/s > >> > > > >> > > -2.6.30-rc6-patched > >> > > 1048576+0 records in > >> > > 1048576+0 records out > >> > > 17179869184 bytes (17 GB) copied, 206.465 seconds, 83.2 MB/s > >> > > >> >I'd suggest you to configure the array properly before coming back to > >> >measuring the impact of this patch. > >> > >> > >> I created 16GB file to this disk array, and mounted to testdir, dd to > >this directory. > > > >I mean, you should get >300MB/s throughput with 7 disks, and you > >should seek ways to achieve that before testing out this patch :-) > > Throughput number of storage array is very from one product to another. > On my hardware environment I think this number is valid and > my patch is effective. Hifumi-san, if you really want to merge, you should reproduce this issue on typical hardware, I think. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
