On Thursday March 29, jpiszcz@xxxxxxxxxxxxxxx wrote: > > > > > Did you look at "cat /proc/mdstat" ?? What sort of speed was the check > > running at? > Around 44MB/s. > > I do use the following optimization, perhaps a bad idea if I want other > processes to 'stay alive'? > > echo "Setting minimum resync speed to 200MB/s..." > echo "This improves the resync speed from 2.1MB/s to 44MB/s" > echo 200000 > /sys/block/md0/md/sync_speed_min > echo 200000 > /sys/block/md1/md/sync_speed_min > echo 200000 > /sys/block/md2/md/sync_speed_min > echo 200000 > /sys/block/md3/md/sync_speed_min > echo 200000 > /sys/block/md4/md/sync_speed_min > Yes, well.... You told it to use up to 200MB/s and the drives are only delivering 44MB/s, so they will be taking nearly all of the available bandwidth. You shouldn't be too surprised if other things suffer. NeilBrown - 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
