nice =] i will test it (i think that´s raid-10 with offset layout is raid 1e on snia document) the second point where could i find developers to change a bit current read_balance of raid1 and raid10? 2011/2/3 John Robinson <john.robinson@xxxxxxxxxxxxxxxx>: > On 03/02/2011 14:37, Roberto Spadim wrote: >> >> hi guys, i another thread i read about SNIA DDF Technical Position v2.0 >> could we implement RAID-1E, for sequencial/random read speedup? >> >> http://www.snia.org/tech_activities/standards/curr_standards/ddf/SNIA_DDF_Technical_Position_v2.0.pdf >> after that, could we implement some tweaks on read balance (there's >> another thread just for it) > > Those RAID-1E layouts look to me like what's implemented in md RAID as > RAID-10 with near and offset layouts. > > As discussed frequently here, md RAID-10 also has a far layout which can > provide slightly faster than RAID-0 throughput for sequential reading with > slightly slower than RAID-1 throughput for sequential writing. Please see > some of the benchmarks that have also been referred to on this list in the > last couple of days. > > Cheers, > > John. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Roberto Spadim Spadim Technology / SPAEmpresarial -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
