Veritas Volume Manager 4.1 Administrator's Guide (HP-UX 11i v3, February 2007)

Chapter 3, Administering Dynamic Multipathing (DMP)
Administering DMP Using vxdmpadm
113
◆ Control the operation of the DMP restore daemon.
The following sections cover these tasks in detail along with sample output. For more
information, see the vxdmpadm(1M) manual page.
Retrieving Information About a DMP Node
The following command displays the DMP node that controls a particular physical path:
# vxdmpadm getdmpnode nodename=c3t2d1
The physical path is specified by argument to the nodename attribute, which must be a
valid path listed in the /dev/rdsk directory.
The above command displays output such as the following:
NAME STATE ENCLR-TYPE PATHS ENBL DSBL ENCLR-NAME
===============================================================
c3t2d1 ENABLED ACME 2 2 0 enc0
Use the enclosure attribute with getdmpnode to obtain a list of all DMP nodes for the
specified enclosure.
# vxdmpadm getdmpnode enclosure=enc0
NAME STATE ENCLR-TYPE PATHS ENBL DSBL ENCLR-NAME
===============================================================
c2t1d0 ENABLED ACME 2 2 0 enc0
c2t1d1 ENABLED ACME 2 2 0 enc0
c2t1d2 ENABLED ACME 2 2 0 enc0
c2t1d3 ENABLED ACME 2 2 0 enc0
Displaying the Members of a LUN Group
The following command displays the DMP nodes that are in the same LUN group as a
specified DMP node:
# vxdmpadm getlungroup dmpnodename=c11t0d10
The above command displays output such as the following:
NAME STATE ENCLR-TYPE PATHS ENBL DSBL ENCLR-NAME
==================================================================
c11t0d8 ENABLED ACME 2 2 0 enc1
c11t0d9 ENABLED ACME 2 2 0 enc1
c11t0d10 ENABLED ACME 2 2 0 enc1
c11t0d11 ENABLED ACME 2 2 0 enc1