1 2 3 4 | # dmesg | grep -i scheduler [ 1.508820] io scheduler noop registered [ 1.508827] io scheduler deadline registered [ 1.508850] io scheduler cfq registered (default) |
1 2 | # cat /sys/block/sda/queue/scheduler noop deadline [cfq] |
1 | #echo noop > /sys/block/sdb/queue/scheduler |
1 | # grubby --grub --update-kernel=ALL --args="elevator=deadline" |
1 2 3 4 5 6 | #vi cat /etc/default/grub #修改第五行,在行尾添加# elevator= cfq 然后保存文件,重新编译配置文件, #grub2-mkconfig -o /boot/grub2/grub.cfg |
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