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Old 10-05-2006, 03:19 AM   #1
fjkum
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Registered: Feb 2006
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Missing /proc/scsi/sg


Hi,

I have a JBOD (Just a Bunch Of Disc) enclosure attached to my Linux RedHat Enterprise Linux ES 4 thru the QLogic QLA2342 Fibre Channel HBA.

Why can't I see /proc/scsi/sg?

Am I missing something here? I can see them on my SuSE Enterprise Linux 9 though.

Is the kernel not compile to support sg devices?
 
Old 10-06-2006, 12:03 PM   #2
b0uncer
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Registered: Aug 2003
Distribution: CentOS, OS X
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Maybe you don't have the appropriate kernel module installed, since the whole /proc (virtual) filesystem is used to "have a look inside kernel" (see information). Try
Code:
modprobe sg
and/or some other modules..you can view the list by
Code:
modprobe -l | grep scsi
and the already-installed modules by
Code:
lsmod
Of course they don't include the kernel builtin modules, but if you don' thave that in /proc it's probably because the thing isn't in the kernel, so if it's built as a module you'll need to load it (using modprobe), or if it's not even as a module (so it's not there at all) you'll need to rebuild your kernel.
 
  


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