Silicon Graphics TP9100, Installation Instructions And User Manual

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Configuration Functions
007-4382-002 29
What to Do if a Device is Missing
If a device does not display, it is probably because the device driver is either missing or
incorrect. A device may be missing, depending on what OS you have, and what you did
to create drivers in the first place. Assuming your FC host adapter is properly installed
and operational, and you have exclusive access to your host server, choose from the
following:
• If running IRIX, issue the
scsiha -p bus#
command (see scsiha(lm)), followed
by the
ioconfig -f /hw
command (see ioconfig (lm)).
• If running Linux, try removing and installing the device driver. If you have the
Qlogic device driver, the command is
/sbin/rmmod qla2100; /sbin/insmod
qla2100
). If that doesn’t work, you must reboot.
• If running Windows, you must reboot.
Caution: If the Qlogic device driver is in use when you attempt to remove it (for
example, an outstanding command is in progress), the host server might crash (the Linux
OS will hang). Therefore, you should make sure that all applications that are using the
Qlogic device driver have been terminated first before you remove and reinstall the
device driver.
Note: Use the qla2100 driver for SGI ProPack1.3. The TP9100 cannot be used with
ProPack 1.4.
If all of the above remedies fail, a device might be masked because the controller is doing
it intentionally. This occurs if the Affinity, LUN, or SAN mapping is used to make one or
more LUNs invisible to a particular host adapter or controller. If you can, go to the main
TPM menu (see Figure 3-1) and use the
Configure Host-to-LUN Mapping selection
under Configuration Functions to see if that is the problem. Otherwise, you may have to
contact your SGI customer support representative to resolve the problem.