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HP StorageWorks 1606 Brocade Fabric OS Troubleshooting and Diagnostics Guide v - Page 93

Displaying switch information

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Switch status 11 Faulty ports monitor HEALTHY Missing SFPs monitor HEALTHY All ports are healthy For more information on how the overall switch status is determined, see the switchStatusPolicySet command in the Fabric OS Command Reference. Displaying switch information 1. Connect to the switch and log in as admin. 2. Enter the switchShow command, which displays the following information for a switch: Switch summary information includes the following: switchName switchType switchState switchMode switchRole switchDomain switchId switchWwn switchBeacon zoning FC Router FC Router BB Fabric ID Switch name Switch model and revision numbers Switch state: Online, Offline, Testing, or Faulty Switch operation mode: Native, Interop, or Access Gateway Principal, Subordinate, or Disabled ID: 0-31 or 1-23 Switch embedded port D_ID Switch World Wide Name (WWN) Switch beaconing state: On or Off When Access Gateway mode disabled, the name of the active zone displays in parenthesis. FC Router's state: On or Off The backbone fabric ID for FC routing The following additional properties are displayed in the switch summary for Virtual Fabrics-enabled switches. Allow XISL Use LS Attributes Allows the switch to use extended interswitch links (XISL) in the base fabric to carry traffic to this logical switch. Values are ON or OFF. Displays logical switch attributes, including the fabric ID (FID) associated with the logical switch and the switch role (default switch or base switch). Fabric OS Troubleshoot and Diagnostics Guide 79 53-1001340-01

Section	Page
Contents	3
About This Document	9
In this chapter	9
How this document is organized	9
Supported hardware and software	10
What’s new in this document	10
Document conventions	11
Text formatting	11
Command syntax conventions	11
Command examples	12
Notes, cautions, and warnings	12
Key terms	12
Additional information	13
Brocade resources	13
Other industry resources	13
Getting technical help	13
Document feedback	14
Introduction to Troubleshooting	15
In this chapter	15
Troubleshooting overview	15
Network time protocol	15
Most common problem areas	16
Questions for common symptoms	16
Gathering information for your switch support provider	19
Setting up your switch for FTP	19
Capturing a supportSave	19
Capturing output from a console	20
Capturing command output	20
Building a case for your switch support provider	20
Basic information	21
Detailed problem information	22
Gathering additional information	23
General Issues	25
In this chapter	25
Licensing issues	25
Time issues	25
Switch message logs	26
Switch boot issues	27
FC-FC Routing connectivity	27
Generate and route an ECHO	27
Route and statistical information	29
Performance issues	31
Connectivity Issues	33
In this chapter	33
Port initialization and FCP auto discovery process	33
Link issues	35
Connection problems	35
Checking the physical connection	35
Checking the logical connection	36
Checking the Name Server (NS)	36
Link failures	38
Determining a successful speed negotiation	38
Checking for a loop initialization failure	39
Checking for a point-to-point initialization failure	39
Correcting a port that has come up in the wrong mode	40
Marginal links	40
Troubleshooting a marginal link	41
Device login issues	43
Pinpointing problems with device logins	43
Media-related issues	45
Testing a port’s external transmit and receive path	46
Testing a switch’s internal components	46
Testing components to and from the HBA	46
Segmented fabrics	47
Reconciling fabric parameters individually	47
Downloading a correct configuration	48
Reconciling a domain ID conflict	48
Configuration Issues	51
In this chapter	51
Configupload and download issues	51
Gathering additional information	53
Brocade configuration form	54
FirmwareDownload Errors	55
In this chapter	55
Blade troubleshooting tips	55
Firmware download issues	56
Troubleshooting firmwareDownload	58
Gathering additional information	59
USB error handling	59
Considerations for downgrading firmware	59
Preinstallation messages	59
Blade types	60
Firmware versions	61
Platform	61
Routing	62
Security Issues	63
In this chapter	63
Password issues	63
Password recovery options	64
Device authentication issues	64
Protocol and certificate management issues	65
Gathering additional information	65
SNMP issues	66
Gathering additional information	66
FIPS issues	66
Virtual Fabrics	69
In this chapter	69
General Virtual Fabric troubleshooting	69
Fabric identification issues	70
Logical Fabric issues	70
Base switch issues	71
Logical switch issues	72
Switch configuration blade compatibility	73
Gathering additional information	74
ISL Trunking Issues	75
In this chapter	75
Link issues	75
Buffer credit issues	76
Zone Issues	77
In this chapter	77
Overview of corrective action	77
Verifying a fabric merge problem	77
Verifying a TI zone problem	77
Segmented fabrics	78
Zone conflicts	79
Correcting a fabric merge problem quickly	80
Changing the default zone access	81
Editing zone configuration members	81
Reordering the zone member list	81
Checking for Fibre Channel connectivity problems	82
Checking for zoning problems	83
Gathering additional information	84
iSCSI Issues	85
In this chapter	85
Connectivity	85
Zoning	87
Authentication	88
Working With Diagnostic Features	89
In this chapter	89
About Fabric OS diagnostics	89
Diagnostic information	89
Power-on self test	90
Disabling POST	92
Enabling POST	92
Switch status	92
Viewing the overall status of the switch	92
Displaying switch information	93
Displaying the uptime for a switch	94
SpinFab and portTest	94
Port information	95
Viewing the status of a port	95
Displaying the port statistics	96
Displaying a summary of port errors for a switch	97
Equipment status	98
Checking the temperature, fan, and power supply	98
Checking the status of the fans	99
Checking the status of a power supply	99
Checking temperature status	100
System message log	100
Displaying the system message log, with no page breaks	101
Displaying the system message log one message at a time	101
Clearing the system message log	101
Port log	101
Viewing the port log	101
Syslogd configuration	103
Configuring the host	103
Configuring the switch	103
Automatic trace dump transfers	104
Specifying a remote server	105
Enabling the automatic transfer of trace dumps	105
Setting up periodic checking of the remote server	105
Saving comprehensive diagnostic files to the server	105
Switch Type	107
Hexadecimal	109