更改IO调度

echo deadline > /sys/block/sdb/queue/scheduler
echo deadline > /sys/block/sdc/queue/scheduler
echo deadline > /sys/block/sdd/queue/scheduler
echo deadline > /sys/block/sde/queue/scheduler
echo deadline > /sys/block/sdf/queue/scheduler
echo deadline > /sys/block/sdg/queue/scheduler
echo deadline > /sys/block/sdh/queue/scheduler
echo deadline > /sys/block/sdi/queue/scheduler
echo deadline > /sys/block/sdj/queue/scheduler
echo deadline > /sys/block/sdg/queue/scheduler
echo deadline > /sys/block/sdk/queue/scheduler
echo deadline > /sys/block/sdl/queue/scheduler

echo deadline > /sys/block/cciss\!c0d1/queue/scheduler
echo deadline > /sys/block/cciss\!c0d2/queue/scheduler
echo deadline > /sys/block/cciss\!c0d3/queue/scheduler
echo deadline > /sys/block/cciss\!c0d4/queue/scheduler
echo deadline > /sys/block/cciss\!c0d5/queue/scheduler
echo deadline > /sys/block/cciss\!c0d6/queue/scheduler
echo deadline > /sys/block/cciss\!c0d7/queue/scheduler
echo deadline > /sys/block/cciss\!c0d8/queue/scheduler
echo deadline > /sys/block/cciss\!c0d9/queue/scheduler
echo deadline > /sys/block/cciss\!c0d10/queue/scheduler
echo deadline > /sys/block/cciss\!c0d11/queue/scheduler