Dell Brocade Adapters Brocade Adapters Troubleshooting Guide - Page 100

Fabric statistics

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3 Statistics Displaying FCoE statistics through BCU Use the fcoe --stats command to display FCoE statistics. fcoe --stats where: port_id ID of the adapter port for which you want to display statistics. This could be the PWWN, port hardware path, or user-specified port name. This could also be the adapter-index/port-index. For example, to specify adapter 1, port 1, you would use 1/1 as the port identification. Displaying FCoE statistics through HCM To display FCoE statistics through HCM, use the following steps. 1. Select an FCoE port from the device tree. 2. Select Monitor > Statistics > FCoE Statistics from the device tree. OR Right-click the FCoE port and select Statistics > FCoE Statistics from the list. The FCoE Statistics dialog box at the host level displays. Fabric statistics Use BCU and HCM to display statistics for fabric login (FLOGI) activity and fabric offlines and onlines detected by the port. Use these statistics to help isolate fabric login problems. Examples include number of FLOGIs sent, FLOGI response errors, FLOGI accept errors, FLOGI accepts received, FLOGI rejects received, unknown responses for FLOGI, allocation waits prior to sending, the number of delayed fabric login allocations, FLOGIs received, and incoming FLOGIs rejected. Following are two examples of how to use these statistics for troubleshooting: • If the adapter is not showing in the fabric, check the FLOGI sent and FLOGI accept statistics. If the counts do not match, the switch or fabric may not be ready to respond. This is normal as long as it does not persist. If the problem persists, this could indicate a problem in the fabric or a protocol issue between the adapter and fabric. • If fabric offline counts increase and fabric maintenance is not being done, this may indicate a serious fabric problem. Slow fabric performance or hosts unable to address storage could also be seen. Displaying fabric statistics through BCU Use the fabric --stats command to display fabric statistics. fabric --stats where: port_id ID of the adapter port for which you want to display statistics. This could be the PWWN, port hardware path, or user-specified port name. This could also be the adapter-index/port-index. For example, to specify adapter 1, port 1, you would use 1/1 as the port identification. 76 Brocade Adapters Troubleshooting Guide 53-1002145-01

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76
Brocade Adapters Troubleshooting Guide
53-1002145-01
Statistics
3
Displaying FCoE statistics through BCU
Use the
fcoe --stats
command to display FCoE statistics.
fcoe -–stats <port_id>
where:
port_id
ID of the adapter port for which you want to display statistics. This could be
the PWWN, port hardware path, or user-specified port name. This could also
be the adapter-index/port-index. For example, to specify adapter 1, port 1,
you would use 1/1 as the port identification.
Displaying FCoE statistics through HCM
To display FCoE statistics through HCM, use the following steps.
1.
Select an FCoE port from the device tree.
2.
Select
Monitor
>
Statistics
>
FCoE Statistics
from the device tree.
OR
Right-click the FCoE port and select
Statistics
>
FCoE Statistics
from the list.
The
FCoE Statistics
dialog box at the host level displays.
Fabric statistics
Use BCU and HCM to display statistics for fabric login (FLOGI) activity and fabric offlines and
onlines detected by the port. Use these statistics to help isolate fabric login problems. Examples
include number of FLOGIs sent, FLOGI response errors, FLOGI accept errors, FLOGI accepts
received, FLOGI rejects received, unknown responses for FLOGI, allocation waits prior to sending,
the number of delayed fabric login allocations, FLOGIs received, and incoming FLOGIs rejected.
Following are two examples of how to use these statistics for troubleshooting:
•
If the adapter is not showing in the fabric, check the FLOGI sent and FLOGI accept statistics. If
the counts do not match, the switch or fabric may not be ready to respond. This is normal as
long as it does not persist. If the problem persists, this could indicate a problem in the fabric or
a protocol issue between the adapter and fabric.
•
If fabric offline counts increase and fabric maintenance is not being done, this may indicate a
serious fabric problem. Slow fabric performance or hosts unable to address storage could also
be seen.
Displaying fabric statistics through BCU
Use the
fabric --stats
command to display fabric statistics.
fabric -–stats <port_id>
where:
port_id
ID of the adapter port for which you want to display statistics. This could be
the PWWN, port hardware path, or user-specified port name. This could also
be the adapter-index/port-index. For example, to specify adapter 1, port 1,
you would use 1/1 as the port identification.