Unload qlogic modules

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The qlogic modules are not able to unload "rmmod", says bussy.

Below are the dependencies that need to be cleared before attampt to unload qlaxxx modules.

1. Stop SAN-Surfer GUI/CLI if running.

2. Stop qlogic SAN-Serfer agent service if running.

# service iqlremote stop >>>>>> for iSCSI
# service qlremote stop >>>>>> for FC

3. Check whether qlogic IOCTL module is loaded

rmmod qisioctl

4. Check and kill if any process running for qlogic.

#ps -ef | grep qla

Before killing the process be 100% confirm that the process belongs to qlogic. i.e. qla4xxx_3_dpc qla4xxx_2_dpc.

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