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Brocade Adapters Troubleshooting Guide 119

53-1002145-01

Tuning network drivers (CNA or NIC)

Solaris tuning

All Solaris tunable parameters for the network driver are optimized for best performance using

default values. For details, refer to the “Adapter Configuration” appendix in the Brocade Adapters

Installation and Reference Manual.

For Solaris 10, you can enable support for jumbo packet frames and set the MTU size for these

frames from 1,500 (default) to 9,000 bytes.

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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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