小编Lev*_*ike的帖子

在 CentOS 6 中，有/etc/tune-profiles/my-server/ktune.sysconfig这样的文字（我指的是解释代码正在做什么的注释）：

# This is the I/O scheduler ktune will use.  This will *not* override anything
# explicitly set on the kernel command line, nor will it change the scheduler
# for any block device that is using a non-default scheduler when ktune starts.
# You should probably leave this on "deadline", but "as", "cfq", and "noop" are
# also legal values.  Comment this out to prevent ktune from changing I/O
# scheduler settings.
ELEVATOR="deadline"

# …