Service manual

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Intrepid® 6064 Director Installation and Service Manual
Glossary
preferred domain ID The domain ID that a director or switch requests from a fabric
principal switch. If the preferred value is in use, the principal switch
assigns a different value. See also domain ID.
principal switch In a multiswitch fabric, the switch that allocates domain IDs to itself
and all other switches in the fabric. There is always one principal
switch ina fabric.If a switch is not connected to any other switches, it
acts as its own principal switch.
private device An arbitrated loop device that cannot transmit a FLOGI command to
a switch or director, nor communicate with fabric-attached devices.
Contrast with public device.
private loop A private arbitrated loop is not connected to a switched fabric. All
devices attached to the loop can only communicate with each other.
Contrast with public loop.
Product Status Log Alog recorded at the EFC Manager application that displays anentry
when the status of a director or switch changes. The log reflects the
previous status and current status of a managed product, and
indicates the instance of a Element Manager application that should
be opened to investigate a problem.
public device An arbitrated loop device that can transmit a FLOGI command a
switch, receive acknowledgement from the switch’s login server,
register with the switch’s name server, and communicate with
fabric-attached devices. Contrast with private device.
public loop A public arbitrated loop is connected to a switched fabric. All devices
attached to the loop can communicate with each other, and public
devices attached to the loop can communicate with fabric-attached
devices. Contrast with private loop.
R
radio frequency
interference
Electromagnetic radiation emitted by electrical circuits during
normal operation, which causes unwanted signals (interference or
noise) to be induced in other circuits.
R_A_TOV See resource allocation time-out value.