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Old 10-29-2009, 04:11 PM   #1
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Registered: Oct 2009
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Changes to modeprobe.conf

I am using redhat EL 4 and just added a line into modprobe.conf for the maximum number of supported luns - cannot find the technote i was previously accessing

what do i do now ?

can i just reboot or do i have to rebuild any files/kernel and if so

what commands do i use and where do i have to be when i run them

I am new to redhat and have just installed it today for the first time
Old 10-29-2009, 07:49 PM   #2
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Let's use usb_storage as an example
The lsmod utility provides a list of all loaded modules, along with the corresponding size and usage count.

[root]# lsmod | grep usb_storage
usb_storage  72609 1

Modules may be loaded or unloaded using the modprobe utility. Unlike insmod, modprobe will automatically load dependencies locating the needed modules on the filesystem. Loading a module is as easy as:

[root]# modprobe usb_storage

To remove a currently loaded module, use modprobe -r:
[root]#  modprobe -r usb_storage

Note that a module may only be removed if it is not presently in use.
The modinfo command can be passed a module name or filename. It will display the associated details, such as the author's name, license, description, module version, dependencies, parameters, etc.

[root]# modinfo usb_storage
       filename:  /lib/modules/2.6.18-1.2747.el5/kernel/drivers/usb/storage/usb-storage.ko
       license:                              GPL
       description: USB Mass Storage driver for Linux
        etc etc
See also sysctl
Old 10-29-2009, 08:23 PM   #3
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Location: Bellevue,WA
Distribution: RHEL 5 , Fedora ,Sabayon,Solaris,Vmware,AWS
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Hi hammers09,

Can you post your modprobe.conf , so folks can take a look and tell you how to proceed with regard to luns


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