HP Hitachi Dynamic Link Manager Software User Manual
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- The Extended Round Robin algorithm
- The Least I/Os algorithm
- The Extended Least I/Os algorithm
- The Least Blocks algorithm
- The Extended Least Blocks algorithm
logical device file
A device file in the /dev directory.
Note that the term logical device here is different from LDEV.
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
node
A server in a cluster.
non-owner controller
A controller other than an owner controller.
Non-owner controllers exist only in the Thunder 9500V series, or 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 Thunder 9500V series, or 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 Thunder 9500V series, or Hitachi AMS/WMS series. A controller other than
an owner controller is called a non-owner controller.
When using Lightning 9900 series, Lightning 9900V series, Hitachi USP series, Universal
Storage Platform V/VM series, Virtual Storage Platform series, Hitachi AMS2000 series,
Hitachi SMS series, HUS100 series, or HUS VM, all controllers are owner controllers.
(See also: owner path, non-owner controller)
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Glossary-5
Hitachi Dynamic Link Manager User Guide for Linux
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