Reduction With Server Rebooting - Fujitsu ETERNUS Multipath Driver V2 User Manual

Chapter 7 Changing the Multipath Configuration (FC/FCoE Connection for RHEL6, RHEL7, or SLES11)
7.6 Path Reduction (Cable Reduction)
3
Use the "iompadm info" command to check that the removed cable has disappeared from
view.
[Example]
# /opt/FJSVmpd/bin/iompadm info
4
Reset the Max Throttle value if necessary.
When the number of paths connected to a given CA port in the storage system is reduced due to the
path removal, execute the "mpdconfig -m" command to set the Max Throttle value correctly. Refer to
the software information (/opt/FJSVmpd/manual/english/readme.pdf) for the Max Throttle value
computation method.
7.6.2

Reduction with Server Rebooting

Use the following procedure to remove cables while the server is shut down.
Procedure
1
Shut down the server.
2
Detach the hardware.
Disconnect the target cable from the server (remove the connected cable, etc.).
3
Restart the server.
Power on the server and boot it up.
4
Use the "iompadm info" command to check that the removed cable has disappeared from
view.
[Example]
# /opt/FJSVmpd/bin/iompadm info
5
Delete the removed cable from the Multipath Driver target list using the "mpdconfig -d"
command.
[Example]
# /opt/FJSVmpd/bin/mpdconfig -d
6
Reset the Max Throttle value if necessary.
When the number of paths connected to a given CA port in the storage system is reduced due to the
path removal, execute the "mpdconfig -m" command to set the Max Throttle value correctly. Refer to
the software information (/opt/FJSVmpd/manual/english/readme.pdf) for the Max Throttle value
computation method.
FUJITSU Storage ETERNUS Multipath Driver V2 User's Guide for Linux
Copyright 2014 FUJITSU LIMITED
92
End of procedure
End of procedure
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