Displaying Bottleneck Statistics - Brocade Communications Systems 53-1001763-02 Administrator's Manual

18

Displaying bottleneck statistics

Displaying bottleneck statistics

You can use the bottleneckmon
up to three hours. This command has several display options:
•
•
•
1. Connect to the switch and log in as admin.
2. Enter the bottleneckmon
Example of displaying the bottleneck history in 5-second windows over a period of 30 seconds
In this example, the definition of bottlenecked ports is any port that had a bottleneck occur during
any second in the corresponding interval.
422
Switch-wide alerting parameters:
============================
Alerts
Latency threshold for alert
Congestion threshold for alert - 0.800
Averaging time for alert
Quiet time for alert
Per-port overrides for alert parameters:
========================================
Slot Port Alerts? LatencyThresh
=======================================================================
0 1 N --
0 2 Y 0.990
0 3 Y 0.990
Excluded ports:
===============
Port
====
2
3
4
Display only latency bottlenecks, only congestion bottlenecks, or both combined.
Display bottleneck statistics for a single port, bottleneck statistics for all ports on the switch, or
a list of ports affected by bottleneck conditions.
Continuously update the displayed data with fresh data.
switch:admin> bottleneckmon --show -interval 5 -span 30
==================================================================
Wed Jan 13 18:54:35 UTC 2010
==================================================================
List of bottlenecked ports in most recent interval:
23
==================================================================
From
==================================================================
Jan 13 18:54:05
Jan 13 18:54:10
Jan 13 18:54:15
- Yes
- 0.970
- 5000 seconds
- 300 seconds
CongestionThresh
--
0.900
0.900
show command to display a history of bottleneck conditions, for
--
show command.
--
To
Jan 13 18:54:10
Jan 13 18:54:15
Jan 13 18:54:20
Time(s) QTime(s)
-- --
4000 600
4000 600
Number of
bottlenecked ports
1
2
1
Fabric OS Administrator's Guide
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