Dell POWERVAULT MD3620I - Manual (Page 199)

Configuration: Device Mapper Multipath for Linux 197
Using the MDSM software:
1 Map the host server to the MD3600i Series storage array.
2 Create the Virtual Disks.
3 Map newly created arrays to your host server.
NOTE: Any arrays configured with MDCU automatically get added to the list of
Devices in the PowerVault Modular Disk Storage Manager Enterprise Management
Window (EMW).
Device Mapper Configuration Steps
To complete the DM multipathing configuration and make storage available
to the Linux host server:
1 Scan for virtual disks. See "Scan for Newly Added Virtual Disks" on
page 198.
2 Display the multipath device topology. See "Display the Multipath Device
Topology Using the Multipath Command" on page 198.
3 Create a partition on a multipath device node. See "Create a New fdisk
Partition on a Multipath Device Node" on page 199.
4 Add a partition to DM. See "Add a New Partition to Device Mapper" on
page 200.
5 Create a file system on a DM partition. See "Create a File System on a
Device Mapper Partition" on page 201.
6 Mount a DM partition. See "Mount a Device Mapper Partition" on
page 201.
The following instructions show how to complete each of these steps.
In the following command descriptions is used to indicate where a
substitution must be made. On Red Hat Enterprise Linux systems is
the number assigned to the device. On SUSE Linux Enterprise Server
systems is the letter(s) assigned to the device.
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