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Brocade Adapters Troubleshooting Guide 107
53-1002145-01
Target rate limiting settings (HBA)
3
• Use the following command to determine operating speed of the remote port and QoS status.
rport --query <port_id> <rpwwn> [-l <lpwwn>]
where:
port_id Specifies the ID of the port for which you want to query attributes of a remote
port.
rpwwn Remote PWWN. You can obtain the RPWWN from the BCU rport --list
<port_id> command.
-l lpwwn Logical PWWN. This is an optional argument. If the -l lpwwn argument is not
specified, the base port is used.
Determining QoS settings through HCM
Use HCM in the following ways to determine current status and configuration for QoS:
• Use the Port Properties panel in HCM to display configured QoS parameters.
1. Select a port in the device tree.
2. Click the Properties tab in the right pane.
The Port Properties panel displays
• Use the Remote Port Properties panel in HCM to display information on QoS for the remote
port.
1. From the device tree, select a remote port (target or initiator).
2. Click the Remote Port Properties tab in the right pane.
The Remote Port Properties panel displays.
Target rate limiting settings (HBA)
Display target rate limiting settings on HBA ports or Fabric Adapter ports configured in HBA mode.
Target rate limiting throttles the Fibre Channel Protocol (FCP) read traffic rate to slow-draining
targets to reduce or eliminate network congestion and alleviate I/O slowdowns to faster targets.
Use the following BCU commands to determine current status and configuration for target rate
limiting settings:
Determining target rate limiting settings through BCU
Use the following BCU commands to determine current status and configuration for target rate
limiting settings:
• Use the following BCU command to determine target rate limiting speed and enabled status.
ratelim --query <port-id>
where:
- 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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