Red Hat DEVICE-MAPPER MULTIPATH 5.2 Manual de usuario descargar pdf (Pagina 26)

5.2 For SUSE Linux Enterprise Server 10 SP2 or Earlier

5.2.1 Setting Up the device-mapper multipath

Set up the multipath environment.

5.2.1.1 Preparation

device-mapper multipath uses Red Hat Package Manager (RPM) packages.

If the RPM versions are not listed in the Server Support Matrix, use the RPM supplied as standard in the OS.

5.2.1.2 Editing "/etc/multipath.conf"

Edit the device-mapper multipath configuration file.

Create a configuration file as follows.

1 Copy the "/usr/share/doc/packages/multipath-tools/multipath.conf.synthetic" file to "/etc".

# cp /usr/share/doc/packages/multipath-tools/multipath.conf.synthetic /etc/multipath.conf

2 Add the following lines to the file.

Add the following lines at the end of the "defaults" section.

defaults {

user_friendly_names yes

}

Add the following lines at the end of the "devices" section.

(This example is for the ETERNUS DX410)

devices {

device {

vendor "FUJITSU"

product "ETERNUS_DX400"

prio_callout "/sbin/mpath_prio_alua %d"

path_grouping_policy group_by_prio

path_selector "round-robin 0"

failback immediate

no_path_retry 10

path_checker tur

}

Chapter 5 For SUSE Linux Enterprise Server 10

5.2 For SUSE Linux Enterprise Server 10 SP2 or Earlier

FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection-

(Fibre Channel/FCoE/iSCSI/SAS) for Linux

P3AM-3912-21ENZ0

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Red Hat DEVICE-MAPPER MULTIPATH 5.2 Manual de usuario Pagina 26