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Brocade Adapters Troubleshooting Guide 77
53-1002145-01
Statistics
3
Displaying fabric statistics through HCM
Use the Fabric Statistics dialog box to monitor a variety of port data.
1. Launch the HCM.
2. Select the FC port from the device tree window.
3. Click Monitor > Statistics > Fabric Statistics.
Displaying FCP initiator mode statistics
Use the fcpim --stats command to display FCP initiator mode statistics and attributes.
fcpim --stats <port_id> <pcifn> <rpwwn> [-l <lpwwn>
where:
stats Displays FCP initiator mode statistics.
pcifn PCI function number associated with the physical port.
-l lpwwn Logical PWWN. This is an optional argument. If the -l lpwwn argument is not
specified, the base port is used.
-l rpwwn Remote PWWN.
To clear FCP initiator mode statistics, enter the following command.
fcpim --statsclr <pcifn> <rpwwn [-l <lpwwn>]
FCP initiator mode statistics
Use HCM to display FCP IM module statistics for each initiator target nexus (ITN). Statistics display
such as I/Os waiting for circular queue space, number of I/O context requests, I/O abort requests,
number of task management I/O context requests, I/O completions with OK status, number of
successful firmware I/O underrun operations, number of successful firmware I/O overrun
operations, aborted I/O requests, I/O timeouts, I/O selection timeouts, I/O protocol errors, host I/O
abort requests, PRLI statistics, and remote port statistics.
Use the following steps to display the FCP IM Statistics dialog box.
1. Launch the HCM.
2. Select the base adapter port from the device tree window.
3. Click Monitor > Statistics > FCP IM Module Statistics.
or
Right-click a port from the device tree and select Statistics > FCP IM Module Statistics.
Enabling and disabling profiling for FCP initiator mode statistics through BCU
When profiling is enabled, I/O latency data is distributed based on I/O size (average, minimum, and
maximum). You can use this to study typical application I/O patterns, and this may help in tuning
adapters, fabric, and targets for better performance. You must run the fcpim --stats command to
display this data.
- Brocade Adapters 1
- Document History 2
- Table of Contents 5
- 53-1002145-01 10
- About this Document 11
- Fabric Adapters 12
- Fabric OS and switch support 13
- Host operating system support 14
- Fibre Channel support 14
- FCoE support 15
- Ethernet support 15
- Hypervisor support 16
- What’s new in this document 17
- Document conventions 18
- Notice to the reader 19
- Additional information 20
- Providing details for support 21
- Command Function 22
- Document feedback 23
- In this chapter 25
- Gathering problem information 27
- Isolating Problems 29
- How to use this chapter 30
- General adapter problems 33
- Port link is not active 34
- BCU version mismatch warning 38
- I/O data traffic issues 39
- • If the system has only CNAs 40
- • Ignore the error message 42
- UEFI boot problems 44
- BIOS boot problems 47
- Target not visible from host 48
- Configuration menu 49
- Fabric Adapter problems 51
- HBA problems 52
- Trunking problems 53
- Cannot disable trunking 54
- CNA problems 55
- • nm-tool 57
- Teaming errors 60
- Poor network performance 63
- Non-zero VLAN IDs 64
- Recovery steps 64
- FCoE link is down 67
- DCB network problems 69
- HCM and HCM Agent problems 70
- SupportSaveController.do 71
- Javaws -viewer 73
- Javaws -uninstall 74
- Application Tool References 75
- Information Chapter 76
- Tools for Collecting Data 81
- For detailed information 82
- • Use lsmod 83
- • Use ethtool 83
- • For general driver 83
- • For network driver 83
- • (Release 1.0) 84
- • (Release 1.1 and 84
- Support Save 85
- Using BCU commands 89
- Adapter event messages 91
- TABLE 7 Event message files 92
- Host system logs 93
- HCM logs 94
- Logging levels adjustment 95
- Statistics 97
- DCB statistics (CNA only) 98
- DCB query (CNA only) 99
- FCoE statistics (CNA) 99
- Fabric statistics 100
- Firmware statistics 102
- I/O performance 103
- Logical port statistics 104
- Performance data 105
- PHY module statistics 105
- Port statistics 106
- Port Performance 106
- Remote port statistics 108
- Trunking attributes 109
- Virtual port statistics 111
- Diagnostics 113
- • Internal 114
- • External 114
- PCI loopback test 116
- Memory test 117
- Adapter temperature 118
- Queue test 118
- SCSI test 119
- Trace route 119
- Echo test 120
- Collecting BIOS data 121
- Collecting LLDP data (CNA) 121
- SFP properties 122
- Collecting port data 123
- Displaying the port log 126
- Displaying the port list 127
- Performing a port query 127
- Displaying port speed 127
- FCP-IM I/O profiling 128
- Authentication settings 129
- PHY module data 130
- QoS settings (HBA) 130
- Persistent binding 132
- Adapter properties 133
- HBA Properties 134
- Adapter queries 135
- Performance Optimization 137
- Solaris tuning 138
- Windows tuning 138
- OS tunable parameters 139
- VMware tuning 140
- Linux tuning 141
- Jumbo packet size 142
- NetQueue 142
- Adapter BIOS messages 145
- Adapter driver event messages 146
- Appendix 151
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