Storage System Reduction; Reduction Without Server Rebooting - Fujitsu ETERNUS Multipath Driver V2 User Manual

Chapter 7 Changing the Multipath Configuration (FC/FCoE Connection for RHEL6, RHEL7, or SLES11)

7.2 Storage System Reduction

4
Use the "iompadm info" command to check that the added storage system has been
correctly recognized and incorporated.
[Example]
# /opt/FJSVmpd/bin/iompadm info
5
Set the Max Throttle value for the new storage system.
Execute the "mpdconfig -m" command to set a Max Throttle value for the new storage system. Refer to
the software information (/opt/FJSVmpd/manual/english/readme.pdf) for the Max Throttle value
computation method.
[Example]
# /opt/FJSVmpd/bin/mpdconfig -m
7.2 Storage System Reduction
7.2.1

Reduction without Server Rebooting

Using the "mpdconfig" command, storage systems can be removed without shutting down the server. Use the
following procedure.
When removing the storage systems without server rebooting, completely halt all access to the storage
systems that are to be removed. If access cannot be halted, follow the procedures described in
Reduction with Server Rebooting" (page
Procedure
1
Detach the storage system.
Disconnect the target storage system from the server (turn the storage system power off, disconnect
the cables, etc.).
2
Delete the removed storage system from the Multipath Driver target list using the
"mpdconfig -d" command.
[Example]
# /opt/FJSVmpd/bin/mpdconfig -d
FUJITSU Storage ETERNUS Multipath Driver V2 User's Guide for Linux
Copyright 2014 FUJITSU LIMITED
85).
84
End of procedure
"7.2.2
P2U3-0031-15ENZ0