|>IO subsystem.
|>~~~~~~~~~~~~~
|>- Several different IO elevators are available to match different types
|> of workload. You can select which one to use with elvtune.
^^^^^^^
and then:
|>Deprecated.
|>~~~~~~~~~~~
|>- elvtune is deprecated (as are the ioctl's it used).
^^^^^^^^^^^^^^^^^^^^^
|> Instead, the io scheduler tunables are exported in sysfs (see below)
|> in the /sys/block/<device>/iosched directory.
|> Jens wrote a document explaining the tunables of the new scheduler at
|> http://www.lib.uaa.alaska.edu/linux-kernel/archive/2002-Week-44/att-deadline-iosched.txt
Also, it is /sys/block/<device>/queue/iosched/ on my box.
-JimC
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