Chapter 10 Notes when Using the Multipath Driver
10.2 Considerations for Linux Servers
FUJITSU Storage ETERNUS Multipath Driver V2 User’s Guide for Linux
Copyright 2014 FUJITSU LIMITED
P2U3-0031-15ENZ0
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Message when executing "mpdconfig" command or "mpdsetup" command
When executing the "mpdconfig" command or the "mpdsetup" command, the message below may appear.
This message does not cause any problem and can be ignored.
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Message for starting server when using Red Hat Enterprise Linux 7
The following message may appear. This message does not cause any problem and can be ignored.
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Message for starting server when using SUSE Linux Enterprise Server 9 or SUSE Linux
Enterprise Server 10
The following message may appear. This message does not cause any problem and can be ignored.
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Setting up qlaxxx driver
When using Red Hat Enterprise Linux 5 and a driver downloaded from the QLogic web site is installed, the
messages that are described below may be added in the "/etc/modprobe.conf" file. Multipaths cannot be
configured with these messages. When these messages are added, add "#" on the top of the lines to
comment-out these messages. If the Multipath Driver is already installed, comment-out these messages and
then execute the "/opt/FJSVmpd/system/mpdsetup" command.
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Setting up /etc/fstab
When using the OSs described below, refer to "/etc/fstab" to confirm that the root file system and the partition
that is used as a swap area are specified by LABEL. If other specification methods are used, change the setting
method to LABEL.
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Red Hat Enterprise Linux AS v.4
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Red Hat Enterprise Linux ES v.4
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Red Hat Enterprise Linux 5
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Link speed setting for Fibre Channel connection
The link speed can be specified in the configuration file. Refer to the documents that are provided with the
Fibre Channel cards for details.
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Red Hat Enterprise Linux AS v.4, Red Hat Enterprise Linux ES v.4, or Red Hat Enterprise Linux 5
The link speed can be specified in /etc/modprobe.conf.
end_request: I/O error, dev fd0, sector 0
hdc: packet command error: status=0x51 { DriveReady SeekComplete Error }
hdc: packet command error: error=0x50 { LastFailedSense=0x05 }
ide: failed opcode was: unknown
mpdt: module verification failed: signature and/or required key
missing - tainting kernel
mpdt: module not supported by Novell, setting U taint flag.
mpdh: module not supported by Novell, setting U taint flag.
install qla2xxx /sbin/modprobe qla2xxx_conf;/sbin/modprobe --ignore-install qla2xx
remove qla2xxx /bin/modprobe -r --first-time --ignore-remove qla2xxx && {/sbin/mod-
probe -r --ignore-remove qla2xxx_conf;}