Chapter 4 Changing the Multipath Configuration (FC/FCoE Connection for RHEL-AS4, RHEL-ES4, RHEL5, SLES9, or SLES10)
4.3 Path Addition (Cable Addition)
FUJITSU Storage ETERNUS Multipath Driver V2 User’s Guide for Linux
Copyright 2014 FUJITSU LIMITED
P2U3-0031-15ENZ0
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4.3.2
Addition with Server Rebooting
Use the following procedure to add extra cables while the server is shut down.
Procedure
1
Shut down the server.
2
Attach the hardware.
Set up the storage system so that its LUs are accessible via the cable, and then connect the cable
between the server and the storage system (an HBA must already be installed in the server). For details
on the settings, refer to the storage system manual.
3
Restart the server.
Power on the server and boot it up.
4
Use the "iompadm info" command to check that the new cable has been correctly
recognized and incorporated.
[Example]
5
Set a Max Throttle value for the new path.
Execute the "mpdconfig -m" command to set a Max Throttle value for the new path. Refer to the
software information (/opt/FJSVmpd/manual/english/readme.pdf) for the Max Throttle value
computation method.
[Example]
End of procedure
# /opt/FJSVmpd/bin/iompadm info
# /opt/FJSVmpd/bin/mpdconfig -m
