McDATA 1U Server Manual de servicio descargar pdf (Pagina 410)

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Intrepid® 6140 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 A log recorded at the EFC Manager application that displays an entry

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,

fabric-attached devices. Contrast with private device.

public loop A public arbitrated loop is connected to aswitched 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.

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.

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McDATA 1U Server Manual de servicio Pagina 410