Glossary

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. See also access control.

personal computer

PC. A portable computer that consists of a system unit, display, keyboard, mouse, one or more diskette drives, and internal fixed-disk storage (D).

point-to-point

A Fibre Channel protocol topology that provides a single, direct connection between two communication ports. The director or switch supports only point-to-point topology.

port

Receptacle on a device to which a cable leading to another device can be attached. Ports provide Fibre Channel connections (D).

port address name

A user-defined symbolic name of 24 characters or less that identifies a particular port address.

port authorization

Feature of the password definition function that allows an administrator to extend operator-level passwords to specific port addresses for each director or switch definition managed by a personal computer (PC). Port authorization affects only operator-level actions for active and saved matrices (D).

port name

Name that the user assigns to a particular port through the Product Manager application. See also identifier. Synonymous with address name.

POST

See power-onself-test.

power-on self-test

POST. Series of diagnostic tests that are run automatically by a device when the power is turned on

preferred domain ID

Configured value that a switch will request from the Principal Switch. If the preferred value is already in use, the Principal Switch will assign a different value.

preventive service planning bucket

PSP bucket. Collected problems after early ship of an IBM product.