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Chapter 6 Changing the Multipath Configuration (iSCSI Connection for RHEL5, SLES9, or SLES10)
6.1 Storage System Addition
6.1.2
For SUSE Linux Enterprise Server 9
Use the following procedure to add extra storage systems.
When adding storage systems, the device names (sd*) may be changed. Alter the settings for any
applications and OSs that access to the storage system as necessary.
Procedure
1
Set the storage system recognition order.
If it has already been set, the recognition order does not need to be set again.
Execute the "mpdconfig -s" command to set the recognition order.
[Example]
# /opt/FJSVmpd/bin/mpdconfig -s
2
Set the server iSCSI service.
Set an iSCSI initiator and add the IP addresses of the storage systems to be added to the iSCSI initiator
configuration file. Refer to the iSCSI initiator manual for details about iSCSI initiator settings.
3
Shut down the server.
4
Attach the hardware.
Set up the storage system so that its LUs are accessible to the server, and then connect it to the server.
For details on the settings, refer to the storage system manual.
5
Restart the server.
Power on the server and boot it up.
6
Use the "iompadm info" command to check the result.
When the server is restarted, the new storage system should be automatically recognized and
incorporated in the list.
[Example]
# /opt/FJSVmpd/bin/iompadm info
7
Set its Max Throttle value.
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
FUJITSU Storage ETERNUS Multipath Driver V2 User's Guide for Linux
Copyright 2014 FUJITSU LIMITED
73
P2U3-0031-15ENZ0
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