Brocade Adapters Troubleshooting Guide 1953-1002145-01General adapter problems 21. Action: Reassess the hardware configuration and distribute the adapters so no more than four10Gbps Ethernet ports are used in a single system (maximum supported by VMware). ThisVMware limitation applies to Brocade CNA ports and Fabric Adapter ports configured in CNAmode.2. Action: If there are a large number of Brocade HBA ports or Fabric Adapter ports configured inHBA mode in the system, try disabling MSI-X mode for Brocade ports using the followingcommands.a. Enter the following command to display current driver configuration settings, includingdefault options.esxcfg-module -g bfab. Append "msix_disable_cb=1" to the default options displayed by the preceding command:esxcfg-module -s " msix_disable_cb=1" bfaNOTEDisabling MSI-X mode can reduce performance so any performance critical tasks should bedone with a smaller number of adapters in the system, in order to utilize the MSI-X mode.Driver installation fails on ESX systemsDriver(s) are not installing on VMware ESX system. If installing through HCM, the following errormessage may display when updating drivers.Uploading of the driver file is failed. Reason - Maintenance mode is not enabledor could not be determined.Possible Cause: ESX systems must be in maintenance mode to install or update drivers.Action: Place system in maintenance mode, then reinstall driver plackage(s).Errors when using GUI-based software installerErrors occur when launching the GUI-based Brocade Adapter Software Installer, such asInvocationTargetException errorsPossible Cause: Your system may not be able to run a GUI-based application.Action: Use the Software Installer commands detailed in the Brocade Adapters Installation andReference Manual.Errors when installing brocade_driver_linux_.tar.gz packageIf errors occur when installing the no architecture (noarch) brocade_driver_linux_.tar.gzdriver package, refer to the following descriptions of possible causes and recommended actions tohelp resolve the problem.Possible Cause: Appropriate distribution kernel development packages are not installed on yourhost system for the currently running kernel.
