On Sun, Feb 6, 2011 at 11:49 AM, Roberto Spadim <roberto@xxxxxxxxxxxxx> wrote: > the problem (benchmark) i don't know if it's a cpu intensive use > that's blocking some i/o (try to reduce IOPS on md raid1), or a > problem at read logic (check if disk is ok) > > [root@myhost block]# dd if=/dev/sda of=/dev/zero bs=8196 > ^C80106+0 registros de entrada > 80105+0 registros de saída > 656540580 bytes (657 MB) copiados, 5,38142 s, 122 MB/s > > [root@myhost block]# dd if=/dev/md0 of=/dev/zero bs=8196 > ^C52851+0 registros de entrada > 52850+0 registros de saída > 433158600 bytes (433 MB) copiados, 10,4623 s, 41,4 MB/s > You could try with some computer friendly bs= value, like 8192. -- 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
