> > >> >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. > > > > > >What's your readahead size? Is it large enough to cover the stripe width? > > > > Do you mean strage's readahead size? > > What's strage? I mean if your RAID's block device file is /dev/sda, then I guess it's typo :-) but I recommend he use sane test environment... > > blockdev --getra /dev/sda > > will tell its readahead size in unit of 512 bytes. > > Thanks, > Fengguang > -- 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
