Kiyoshi Ueda f392ba889b dm mpath: add service time load balancer ...

This patch adds a service time oriented dynamic load balancer,
dm-service-time, which selects the path with the shortest estimated
service time for the incoming I/O.
The service time is estimated by dividing the in-flight I/O size
by a performance value of each path.

The performance value can be given as a table argument at the table
loading time.  If no performance value is given, all paths are
considered equal.

Signed-off-by: Kiyoshi Ueda <k-ueda@ct.jp.nec.com>
Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

2009-06-22 10:12:28 +01:00

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delay.txt

dm: delay target

2007-05-09 12:30:47 -07:00

dm-crypt.txt

dm crypt: add documentation

2008-04-25 13:27:03 +01:00

dm-io.txt

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dm-queue-length.txt

dm mpath: add queue length load balancer

2009-06-22 10:12:27 +01:00

dm-service-time.txt

dm mpath: add service time load balancer

2009-06-22 10:12:28 +01:00

dm-uevent.txt

dm: uevent generate events

2007-10-20 02:01:26 +01:00

kcopyd.txt

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linear.txt

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snapshot.txt

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striped.txt

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zero.txt

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