Dell PowerVault ME4 Series Storage System Deployment Guide

Enable and configure DM Multipath on Linux hosts

Perform the following steps to enable and configure DM multipath on the Linux host:

1. Run the multipath –t command to list the DM Multipath status.
2. If no configuration exists, use the information that is listed from running the command in step 1 to copy a default template to the directory /etc.
3. If the DM multipath kernel driver is not loaded:
   1. Run the systemctl enable multipathd command to enable the service to run automatically.
   2. Run the systemctl start multipathd command to start the service.
4. Run the multipath command to load storage devices along with the configuration file.
5. Run the multipath –l command to list the Dell PowerVault ME4 Series storage devices as configured under DM Multipath.