Brocade Communications Systems BR-1020 Guía para resolver problemas Pagina 37
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Brsocade Adapters Troubleshooting Guide 19
53-1001253-01
HBA problems
2
Drv[25] : Brocade Fibre Channel Adapter Bus Driver
Drv[26] : SCSI Bus Driver
...
Child Controllers :
Child[70] : SCSI Disk Device
Child[71] : SCSI Disk Device
Child[72] : SCSI Disk Device
The SCSI Disk Devices under “Child Controllers” are the LUNs that the Fibre Channel
Adapter can access.
If an expected Fibre Channel attached disk does not appear in the “dh -d” list for a Brocade
adapter, check the cabling, the adapter’s link status LEDs, and the Fibre Channel switch
configuration.
NOTE
The Brocade adapter port may have been disabled with the EFI shell drvcfg command. Use the
drvcfg -s shell command to check the enabled status and configuration of the port, including
the requested speed. After entering drafted -s select the appropriate adapter from the Adapter
List screen and press Enter to view and modify port properties.
BIOS boot problems
This section describes problems that may occur when using the Brocade adapter and Basic
Input/Output System (BIOS) for booting a host system from a remote storage device (boot over
SAN). Possible causes and recommended actions that may fix the problems are provided.
NOTE
Currently, the Brocade CNAs do not support the boot over SAN feature.
Target not visible from host
If the storage target configured for containing the boot LUN is not visible from the host, refer to the
following descriptions of possible causes and recommended actions to help resolve the problem.
1. Possible Cause: No fabric connectivity between adapter and target or target is not online.
Action: Execute the Fabric OS nsAllShow command on the attached switch to verify that the
target and the host are online in the fabric and registered in the name server.
2. Possible Cause: The target and the adapter are not on the same zone.
Action: Execute the Fabric OS cfgActvShow command on the attached switch and verify that
the host and target are in the same zone (either using domain area members, port area
members, or port or node WWNs)
3. Possible Cause: The adapter driver is not loaded.
Action: The adapter driver may not be loaded. Refer to “Verifying Fibre Channel and CEE links”
on page 32 for methods to verify driver installation
- 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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