Or if the FC card vendor supplies utilities to scan the fiber bus for
changes. For HP and qlogic, albeit on CentOS 5.2, with current HP psp
software installed, see /opt/hp/hp_fibreutils directory for various
informative and scanning utils. I also vaguely recall using tricks (echo
1 > somefile) in the /sys directory to trigger a rescan in older
RedHat/CentOS.

On Sat, 2008-11-29 at 12:26 +1100, Nick Tan wrote:
> > Hi, I have presented some devices to a Linux server over a SAN. The
> > devices are not being found using probe-all and inquire. I know that on a
> > solaris server i have to configure some files to tell the OS to scan a
> > higher number of targets and luns. Do i need to configure a similar file
> > in Linux.
> >
> 
> The redhat kernels don't probe all the luns by default.  Try this:
> 
> echo "scsi add-single-device 2 0 2 1" > /proc/scsi/scsi
> 
> This command tells the scsi subsystem to add a single device in controller
> 2, target 0, bus 2, lun 1.  Change the numbers to suit your needs, and
> repeat for all your devices.
> 
> Hope this helps.
> 
> Nick
> 
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