VERITAS Volume Manager 3.5 Administrator's Guide (September 2004)

Administering Dynamic Multipathing (DMP)

Administering DMP Using vxdmpadm

Chapter 3126

Listing Information About Enclosures

To display the attributes of a speciﬁed enclosure, use the following

command:

# vxdmpadm listenclosure enc0

The following command lists attributes for all enclosures in a system:

# vxdmpadm listenclosure all

Renaming an Enclosure

The vxdmpadm setattr command can be used to assign a meaningful

name to an existing enclosure, for example:

# vxdmpadm setattr enclosure enc0 name=GRP1

This example changes the name of an enclosure from enc0 to GRP1.

NOTE The maximum length of the enclosure name preﬁx is 25 characters. The

name must not contain an underbar character (_).

Starting the DMP Restore Daemon

The DMP restore daemon re-examines the condition of paths at a

speciﬁed interval. The type of analysis it performs on the paths depends

on the speciﬁed checking policy.

NOTE The DMP restore daemon does not change the disabled state of the path

through a controller that you have disabled using vxdmpadm disable.

Use the start restore command to start the restore daemon and specify

one of the following policies:

• check_all

The restore daemon analyzes all paths in the system and revives the

paths that are back online, as well as disabling the paths that are

inaccessible. The command to start the restore daemon with this

policy is: