Hitachi XP P9500 User Manual page 180

Load balancing uses VMware vSphere PSPs. HDLM can use the following load balancing
algorithms:
- The Extended Round Robin algorithm
- The Extended Least I/Os algorithm
- The Extended Least Blocks algorithm
- The Most Recently Used algorithm (VMware)
- The Round Robin algorithm (VMware)
LU (Logical Unit)
A logical unit that is a logical volume defined in the storage system, and with which the
host can perform input or output operations.
(See also: host LU)
N
non-owner controller
A controller other than an owner controller.
Non-owner controllers exist only in the Hitachi AMS/WMS series.
(See also: owner controller, non-owner path)
non-owner path
A path that passes through a non-owner controller.
Non-owner paths exist only in the Hitachi AMS/WMS series.
(See also: owner path, non-owner controller)
O
owner controller
A controller that has been set as an owner controller for an LU. Owner controllers are
only in the Hitachi AMS/WMS series. A controller other than an owner controller is called
a non-owner controller.
When using the Universal Storage Platform V/VM, Virtual Storage Platform, Hitachi
AMS2000 series, or Hitachi SMS, all controllers are owner controllers.
(See also: owner path, non-owner controller)
owner path
A path that passes through an owner controller for an LU in the Hitachi AMS/WMS
series. A path that passes through a controller other than an owner controller is called a
non-owner path.
When using the Universal Storage Platform V/VM, Virtual Storage Platform, Hitachi
AMS2000 series, or Hitachi SMS, all paths are owner paths.
(See also: owner controller, non-owner path)
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Hitachi Dynamic Link Manager User Guide (for VMware(R))
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