Dell EMC PowerVault MD 34XX/38XX Series Storage Arrays Administrator's Guide

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Device Mapper configuration steps

To complete the DM multipathing configuration and make storage available to the Linux host server:

Scan for virtual disks.
See Scan For Newly Added Virtual Disks.
Display the multipath device topology.
See Display The Multipath Device Topology Using The Multipath Command.
Create a partition on a multipath device node.
See Create A New fdisk Partition On A Multipath Device Node.
Add a partition to DM.
See Add A New Partition To Device Mapper.
Create a file system on a DM partition.
See Create A File System On A Device Mapper Partition.
Mount a DM partition.
See Mount A Device Mapper Partition.

The following instructions show how to complete each of these steps.

In the following command descriptions, <x> is used to indicate where a substitution must be made. On Red Hat Enterprise Linux systems, <x> is the number assigned to the device. On SUSE Linux Enterprise Server systems, <x> is the letter(s) assigned to the device.