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Dell Brocade 5100 Brocade 7.3.0 Fabric OS Troubleshooting and Diagnostics Guid - Page 73

downgrade. The following example shows feature-related messages that you may see if you were

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Considerations for downgrading firmware 5 Upgrade to 7.2 is not allowed since base switch has R_RDY enabled ports. Please disable the R_RDY enabled ports in base switch using portcfgislmode command. Firmware upgrade to Fabric OS 7.2.0 or higher is not allowed when there are more than 4 chassis connected through Inter-Chassis Links (ICLs) and the Enterprise ICL (EICL) license is not installed in the system. Note that even with an EICL license installed, only 9 chassis are allowed to connect through ICLs. You can either install an EICL license, or you must disable the additional ICL links before performing a firmware upgrade. The following example shows hardware-related messages for a downgrade: ecp:admin> firmwaredownload Type of Firmware (FOS, SAS, or any application) [FOS]: Server Name or IP Address: 10.1.2.3 User Name: userfoo File Name: /home/userfoo/v6.3.0 Network Protocol (1-auto-select, 2-FTP, 3-SCP) [1]: Password: Checking System Settings... Version compatibility check passed. Checking version compatibility... Version compatibility check passed.. The following items must be addressed before downloading the specified firmware: FC8-32E and FC8-48E are not supported by the targeted firmware. Please use slotshow to determine which of these are installed and remove them before continuing. The following messages are displayed if an exception case is encountered during firmware downgrade. The following example shows feature-related messages that you may see if you were downgrading from Fabric OS v7.2.0 to v7.1.0: Downgrade is not allowed as QoS mode is enabled (ON) on some of the ports ( other than E_Port(s) and F_Port with AoQ feature ) and there is no Adaptive Networking license installed on the switch. To proceed further with downgrade either install Adaptive Networking license, or set QoS mode to OFF/AE. Please use "portcfgqos --disable [slot/]port" to set QoS mode on these ports to OFF or use "portcfgqos --default [slot/]port" to set QoS mode on these ports to AE. Downgrade is not allowed as some of the E_Port(s) are using QoS feature and there is no Adaptive Networking license installed on the switch.To proceed further with downgrade either install Adaptive Networking license, or set QoS mode on these ports to OFF. Please use "islshow" to view list of E_Port with QoS feature enabled and use "portcfgqos --disable [slot/]port" to set QoS mode on these ports to OFF. Downgrade to selected version is not allowed. Please remove E-Port Credit configuration using "portcfgdefault" or "portcfgeportcredits --disable" CLI on these ports. Downgrade is not allowed because Flow Vision is configured. Please delete all the flows using "flow" CLI. Fabric OS Troubleshooting and Diagnostics Guide 57 53-1003141-01

Section	Page
About This Document	11
How this document is organized	11
Supported hardware and software	12
What’s new in this document	13
Document conventions	13
Text formatting	13
Command syntax conventions	13
Command examples	14
Notes, cautions, and warnings	14
Key terms	14
Additional information	15
Brocade resources	15
Other industry resources	15
Getting technical help	15
Document feedback	16
Introduction	17
Troubleshooting overview	17
Network Time Protocol	17
Most common problem areas	18
Questions for common symptoms	18
Gathering information for your switch support provider	21
Setting up your switch for FTP	21
Using the supportSave command	21
Capturing output from a console	23
Capturing command output	23
Building a case for your switch support provider	23
Basic information	23
Detailed problem information	24
Gathering additional information	26
General Troubleshooting	27
Licenses	27
Time	27
Frame Viewer	28
Switch message logs	28
Switch boot	30
Rolling Reboot Detection	30
FC-FC routing connectivity	32
Generating and routing an ECHO	32
Superping	34
Routing and statistical information	37
Performance issues	38
Connectivity	39
Port initialization and FCP auto-discovery process	39
Link issues	41
Connection problems	41
Checking the physical connection	41
Checking the logical connection	42
Checking the Name Server	43
Link failures	44
Determining a successful speed negotiation	44
Checking for a loop initialization failure	45
Checking for a point-to-point initialization failure	45
Correcting a port that has come up in the wrong mode	46
Marginal links	46
Troubleshooting a marginal link	47
Device login issues	49
Pinpointing problems with device logins	49
Media-related issues	51
Testing the external transmit and receive path of a port	52
Testing the internal components of a switch	52
Testing components to and from the HBA	52
Segmented fabrics	53
Reconciling fabric parameters individually	53
Downloading a correct configuration	54
Reconciling a domain ID conflict	54
Reconciling incompatible software features	55
Port mirroring	56
In-Order Delivery	56
Port mirroring considerations	56
Supported platforms	57
Maximum mirror connections	58
Configuring a port to be a mirror port	59
Adding a port mirror connection	59
Deleting a port mirror connection	59
Displaying port mirror connections	60
Configuration	61
Configuration upload and download issues	61
Gathering additional information	64
Brocade configuration form	64
Firmware Download Errors	67
Blade troubleshooting tips	67
Firmware download issues	68
Troubleshooting with the firmwareDownload command	71
Gathering additional information	71
USB error handling	72
Considerations for downgrading firmware	72
Preinstallation messages	72
Blade types	75
Firmware versions	75
Platform	76
Routing	76
Security	77
Passwords	77
Password recovery options	78
Device authentication	78
Protocol and certificate management	79
Gathering additional information	79
SNMP	80
Gathering additional information	80
FIPS	80
Virtual Fabrics	81
General Virtual Fabrics troubleshooting	81
Fabric identification issues	82
Logical Fabric issues	82
Base switch issues	83
Logical switch issues	84
Switch configuration blade compatibility	85
Gathering additional information	86
ISL Trunking	87
Link issues	87
Buffer credit issues	88
Getting out of buffer-limited mode	88
Zoning	89
Overview of corrective action	89
Verifying a fabric merge problem	89
Verifying a TI zone problem	89
Segmented fabrics	90
Zone conflicts	91
Resolving zoning conflicts	92
Correcting a fabric merge problem quickly	93
Changing the default zone access	93
Editing zone configuration members	93
Reordering the zone member list	94
Checking for Fibre Channel connectivity problems	94
Checking for zoning problems	95
Gathering additional information	96
Diagnostic Features	97
Fabric OS diagnostics	97
Diagnostic information	97
Power-on self-test	98
Disabling POST	100
Enabling POST	100
Switch status	100
Viewing the overall status of the switch	101
Displaying switch information	101
Displaying the uptime for a switch	103
Using the spinFab and portTest commands	103
Debugging spinFab errors	104
Clearing the error counters	105
Enabling a port	106
Disabling a port	106
Port information	106
Viewing the status of a port	106
Displaying the port statistics	107
Displaying a summary of port errors for a switch	108
Equipment status	109
Checking the temperature, fan, and power supply	110
Checking the status of the fans	110
Checking the status of a power supply	110
Checking temperature status	111
System message log	111
Displaying the system message log with no page breaks	112
Displaying the system message log one message at a time	112
Clearing the system message log	112
Port log	112
Viewing the port log	113
Syslogd configuration	114
Configuring the host	115
Configuring the switch	115
Automatic trace dump transfers	116
Specifying a remote server	117
Enabling the automatic transfer of trace dumps	117
Setting up periodic checking of the remote server	117
Saving comprehensive diagnostic files to the server	117
Switch Type and Blade ID	119
Hexadecimal Conversion	123
Hexadecimal overview	123
Example conversion of the hexadecimal triplet Ox616000	123
Decimal-to-hexadecimal conversion table	124

Match case Limit results 1 per page

Fabric OS Troubleshooting and Diagnostics Guide

53-1003141-01

Considerations for downgrading firmware

Upgrade to 7.2 is not allowed since base switch has R_RDY enabled ports.

Please disable the R_RDY enabled ports in base switch using portcfgislmode

command.

Firmware upgrade to Fabric OS 7.2.0 or higher is not allowed when there are

more than 4 chassis connected through Inter-Chassis Links (ICLs) and the

Enterprise ICL (EICL) license is not installed in the system. Note that even

with an EICL license installed, only 9 chassis are allowed to connect through

ICLs. You can either install an EICL license, or you must disable the

additional ICL links before performing a firmware upgrade.

The following example shows hardware-related messages for a downgrade:

ecp:admin>

firmwaredownload

Type of Firmware (FOS, SAS, or any application) [FOS]:

Server Name or IP Address: 10.1.2.3

User Name: userfoo

File Name: /home/userfoo/v6.3.0

Network Protocol (1-auto-select, 2-FTP, 3-SCP) [1]:

Password: <hidden>

Checking System Settings...

Version compatibility check passed.

Checking version compatibility...

Version compatibility check passed..

The following items must be addressed before downloading the specified

firmware:

FC8-32E and FC8-48E are not supported by the targeted firmware. Please use

slotshow to determine which of these are installed and remove them before

continuing.

The following messages are displayed if an exception case is encountered during firmware

downgrade. The following example shows feature-related messages that you may see if you were

downgrading from Fabric OS v7.2.0 to v7.1.0:

Downgrade is not allowed as QoS mode is enabled (ON) on some of the ports (

other than

E_Port(s) and F_Port with AoQ feature ) and there is no Adaptive

Networking license installed on the switch. To proceed further with downgrade

either install Adaptive Networking license, or set QoS mode to OFF/AE. Please

use "portcfgqos --disable [slot/]port" to set QoS mode on these ports to OFF

or use "portcfgqos --default [slot/]port" to set QoS mode on these ports to

AE.

Downgrade is not allowed as some of the E_Port(s) are using QoS feature and

there is no Adaptive Networking license installed on the switch.To proceed

further with downgrade either install Adaptive Networking license, or set QoS

mode on these ports to OFF. Please use "islshow" to view list of E_Port with

QoS feature enabled and use "portcfgqos --disable [slot/]port" to set QoS mode

on these ports to OFF.

Downgrade to selected version is not allowed. Please remove E-Port Credit

configuration using "portcfgdefault" or "portcfgeportcredits --disable" CLI on

these ports.

Downgrade is not allowed because Flow Vision is configured. Please delete all

the flows using "flow" CLI.