Veritas Volume Manager 5.0.1 Administrator's Guide, HP-UX 11i v3, First Edition, November 2009

To specify a custom name for a DMP node
◆
Use the following command:
# vxdmpadm setattr dmpnode dmpnodename name=name
You can also assign names from an input file. This enables you to customize the
DMP nodes on the system with meaningful names.
To assign DMP nodes from a file
1
Use the script vxgetdmpnames to get a sample file populated from the devices
in your configuration. The sample file shows the format required and serves
as a template to specify your customized names.
2
To assign the names, use the following command:
# vxddladm assign names file=pathname
To clear custom names
◆
To clear the names, and use the default OSN or EBN names, use the following
command:
# vxddladm -c assign names
Administering DMP using vxdmpadm
The vxdmpadm utility is a command line administrative interface to the DMP feature
of VxVM.
You can use the vxdmpadm utility to perform the following tasks:
■ Retrieve the name of the DMP device corresponding to a particular path.
■ Display the members of a LUN group.
■ List all paths under a DMP device node, HBA controller or array port.
■ Display information about the HBA controllers on the host.
■ Display information about enclosures.
■ Display information about array ports that are connected to the storage
processors of enclosures.
■ Display information about devices that are controlled by third-party
multipathing drivers.
■ Gather I/O statistics for a DMP node, enclosure, path or controller.
153Administering Dynamic Multipathing
Administering DMP using vxdmpadm