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392 DS8000 Series: Concepts and Architecture
Managing multipath volumes using iSeries Navigator
All units are initially created with a prefix of DD. As soon as the system detects that there is
more than one path to a specific logical unit, it will automatically assign a unique resource
name with a prefix of DMP for both the initial path and any additional paths.
When using the standard disk panels in iSeries Navigator, only a single (the initial) path is
shown. The following steps show how to see the additional paths.
To see the number of paths available for a logical unit, open iSeries Navigator and expand
Configuration and Service, Hardware, and Disk Units as shown in Figure B-30 and click
All Disk Units. The number of paths for each unit is shown in column Number of Connections
visible on the right of the panel
. In this example, there are 8 connections for each of the
multipath units.
Figure B-30 Example of multipath logical units
To see the other connections to a logical unit, right click on the unit and select Properties, as
shown in Figure B-31 on page 393.