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g–18
SAN Director 64 Installation Guide
path
In a network, any route between any two ports.
persistent binding
A form of server-level access control that uses configuration information to bind a server
to a specific Fibre Channel storage volume (or logical device) using a unit number.
port
Receptacle on a device to which a cable leading to another device can be attached.
port card
Field-replaceable hardware component that provides the port connections for fiber cables
and performs specific device-dependent logic functions.
port name
Name that the user assigns to a particular port through the Product Manager.
POST
See power-on self test.
power-on self-test
Series of self-tests executed each time the unit is booted or reset.
preferred domain ID
Domain ID that a switch is assigned by the principal switch in a switched fabric. The
preferred domain ID becomes the active domain ID except when configured otherwise by
the user.
preventive service planning bucket
Collected problems after early ship of an IBM product.
principal switch
The switch that allocates domain IDs to itself and to all other switches in the fabric. There
is always one principal switch in a fabric. If a switch is not connected to any other
switches, it acts as its own principal switch.
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