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EMC Host Connectivity with QLogic FC and iSCSI HBAs and FCoE CNAs for the Linux Environment
Additional Notes
◆ If PowerPath is installed and enabled on the host, then the
PowerPath service must be stopped.
To stop the PowerPath service, issue one of the two following
commands:
/etc/init.d/PowerPath stop
or
service PowerPath stop
◆ If the QLogic SANsurfer daemon qlremote is installed and
enabled on the host, then the
qlremote service must be stopped
in order for the driver to be removed from the currently running
kernel.
To stop the qlremote service, issue one of the two following
commands:
/etc/init.d/qlremote stop
or
service qlremote stop
The modprobe command is a wrapper or an extension to insmod and
rmmod. The modprobe command uses and maintains a set of files
that describe all the modules that are available for the current kernel
in
/lib/modules.
The modprobe command can be used to load and unload an entire
set of modules. (A set of modules can be a single module or a stack of
dependent modules.) The command automatically loads all of the
modules needed in a module stack based on the information in
modules.dep.
Note: EMC recommends using modprobe to load and unload the QLogic
modular driver.
The loading of the module is accomplished with either modprobe or
insmod. These commands are used to install loadable kernel modules
into a running kernel. The commands will attempt to link a module
into the running kernel by resolving the symbols from the kernel
exported symbol table.
The unloading of the module can be accomplished with the
modprobe (with the -
r switch) command or the rmmod command.
These commands are used to unload the loadable modules from the