On Wed, 17 Jan 2007, Sevrin Robstad wrote: > I'm suffering from bad performance on my RAID5. > > a "echo check >/sys/block/md0/md/sync_action" > > gives a speed at only about 5000K/sec , and HIGH load average : > > # uptime > 20:03:55 up 8 days, 19:55, 1 user, load average: 11.70, 4.04, 1.52 iostat -kx /dev/sd? 10 ... and sum up the total IO... also try increasing sync_speed_min/max.... and a loadavg jump like that suggests to me you have other things competing for the disk at the same time as the "check". -dean - 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
