EMC QLogic Installation Guide download pdf (Page 197)

Device reconfiguration procedures for the iSCSI 3.x driver

197

Additional Notes

To stop the PowerPath service, issue one of the two following

commands:

/etc/init.d/PowerPath stop

service PowerPath stop

◆ If the QLogic SANsurfer daemon iqlremote is installed and

enabled on the host, then the iqlremote service must be stopped

in order for the driver to be removed from the currently running

kernel.

To stop the iqlremote service, issue one of the two following

commands:

/etc/init.d/iqlremote stop

service iqlremote stop

The modprobe command is a wrapper or an extension to the insmod

and rmmod commands. 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 may 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 modprobe command automatically loads

all of the dependent modules needed in a module stack based on the

information in modules.dep.

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's

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

running kernel if they are not in use and if other modules are not

dependent upon them.

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EMC QLogic Installation Guide Page 197