Unable to split configuration between /etc/multipath.conf and other configuration files.

Solution Verified - Updated -

Environment

Red Hat Enterprise Linux (RHEL) 6
Red Hat Enterprise Linux (RHEL) 7

Issue

Unable to split configuration between /etc/multipath.conf and other configuration files. This prevents users from setting up one main configuration file for all their machines and keep machine-specific configuration information in separate configuration files for each machine.

Resolution

A new config_dir option was added in the multipath.conf file. Users must change the config_dir option to either an empty string or a fully qualified directory path name. When set to anything other than an empty string, multipath will read all .conf files in alphabetical order. It will then apply the configurations exactly as if they had been added to the /etc/multipath.conf. If this change is not made, config_dir defaults to /etc/multipath/conf.d.

  • RHEL 6
    • Upgrade to device-mapper-multipath-0.4.9-87.el6 (or later) and use newly added config_dir option
  • RHEL 7
    • Upgrade to device-mapper-multipath-0.4.9-85.el7 (or later) and use newly added config_dir option

Diagnostic Steps

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