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16 Brsocade Adapters Troubleshooting Guide
53-1001253-01
HBA problems
2
I/O data traffic issues
I/O data traffic issues are occurring, such as an application is not receiving data, FTP problems on
an Ethernet network, ping failures, or data is not reaching a target on a Fibre Channel network.
1. Possible Cause: Ethernet traffic problem (CNAs only).
Action: Run the Ethernet loopback serdes test on the suspected Ethernet port using the BCU
ethdiag --loopback <port_id> -t serdes command. This tests internal adapter hardware
components. If the test passes, suspect the following external problems:
• Faulty fiber
• Faulty software
• Destination host problem
Action: Run the BCU Ethernet external loopback test using the BCU command ethdiag
--loopback <port_id> -t ext. Be sure that a loopback connector is installed in the port. If the
serdes or internal loopback test passes, but the external test fails, suspect the following
problems:
• Loopback connector not inserted in transceiver
• Faulty SFP or loopback connector.
2. Possible Cause: Fibre Channel or FCoE I/O problems.
Action: Run the loopback serdes test on the suspected Fibre Channel port (HBA only) or FCoE
port (CNA only) using the BCU diag --loopback <port_id> -t serdes command. If the test passes,
suspect the following external problems:
• Faulty fiber
• Faulty software
• Target problem
Action: Run the BCU external loopback test using the BCU command diag --loopback <port_id>
-t ext. Be sure that a loopback connector installed in the port. If the serdes or internal loopback
test passes, but the external test fails, suspect the following problems:
• Loopback connector not inserted in transceiver
• Faulty SFP or loopback connector.
HBA problems
This section provides information for resolving problems more specific to HBA function.
Quality of Service (QoS) performance issues
If enabling QoS is causing poor performance, refer to the following descriptions of possible causes
and recommended actions to help resolve the problem.
NOTE
QoS is not supported on CNAs.
- Brocade Adapters 1
- Document History 2
- Contents 3
- About this Document 9
- CNA support 10
- Fabric OS and switch support 10
- Host operating system support 10
- HBA support 11
- What’s new in this document 12
- Document conventions 13
- Notes, cautions, and warnings 14
- Key terms 14
- Notice to the reader 15
- Additional information 15
- Providing details for support 16
- Command Function 17
- Document feedback 18
- In this chapter 19
- Gathering problem information 20
- TABLE 1 Topology map details 21
- Isolating Problems 23
- How to use this chapter 24
- Isolate adapter problems 24
- General HBA and CNA problems 26
- Port link is not active 27
- • The agent is not running 30
- BCU version mismatch warning 33
- HBA problems 34
- UEFI boot problems 35
- • Reseat the adapter 36
- BIOS boot problems 37
- LUN not visible from host 38
- Configuration menu 38
- • nm-tool 40
- Poor network performance 45
- FCoE link is down 48
- CEE is not enabled 50
- Application Tool References 51
- Information Chapter 52
- Tools for Collecting Data 57
- Data to provide support 58
- Support Save 60
- Support Save differences 62
- • authUtil 63
- • cfgShow 63
- Adapter event messages 65
- Host system logs 66
- HCM logs 67
- Logging levels adjustment 68
- Port logging level 69
- Statistics 70
- CEE statistics (CNA only) 71
- CEE query (CNA only) 71
- FCoE statistics (CNA only) 74
- Fabric statistics 74
- IOC statistics 75
- Logical port statistics 76
- Port statistics 77
- Remote port statistics 77
- VLAN Statistics (CNA only) 79
- Diagnostics 80
- • Internal 81
- • External 81
- PCI loopback test 83
- Memory test 84
- Adapter temperature 84
- Ping end points 84
- Trace route 85
- Echo test 86
- SCSI test 86
- Collecting SFP data 87
- Collecting port data 88
- Authentication settings 91
- Persistent binding 93
- Performance optimization 95
- Solaris tuning 96
- Windows tuning 96
- Tuning network drivers 97
- Linux tuning 98
- VMware tuning 99
- 53-1001253-01 100
- Event Message Reference 101
- TABLE 9 Driver event messages 102
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