EMC Connectrix ED-64M, User Manual

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4
Using the Performance View
4-37
Monitoring and Managing the Director
Traffic Statistics The Traffic Statistics table show two sets of values: Receive and
Transmit
. The bar graphs displays the larger of the two values:
◆
Link utilization % —The percentage of the maximum link
utilization (100%) currently being used. Link utilization is
calculated over one-second intervals. (Each port can transmit or
receive data at 100 MB/s.)
There are separate values for transmit (Tx) and receive link
utilization (Rx). The larger of these two values appears on the bar
graph.
◆
Frames Rx — The number of frames that the port has received.
◆
Frames Tx — The number of frames that the port has transmitted.
◆
Four byte words Rx — The number of words that the port has
received.
◆
Four byte words Tx — The number of words that the port has
transmitted.
Menu Options Right-clicking a bar graph displays a pop-up menu with the
following port-related options. Refer to the pages shown for more
information:
◆
Port Properties — Refer to Displaying Port Properties on page 4-16
◆
Node Properties — Refer to Displaying Node Properties on
page 4-29
If a node is not logged in, a message indicates that node information is
not available.
◆
Port Technology — Refer to Port Menu on page 4-20
◆
Block Port — Refer to Port Menu on page 4-20
◆
Enable Beaconing — Refer to Port Menu on page 4-20
◆
Diagnostics
— Is used by service personnel to run an internal
loopback and external loopback test on the port.
◆
Channel Wrap (FICON Mode only) — Allows a channel wrap
test to be initiated from an attached host or device. In this test,
frames are sent to the switch port, then the switch echos the
frames to the sending device to test the channel. The switch
remains in channel wrap mode until the option is disabled. While
in channel wrap mode, the port can accept only echo commands