Chapter 7. Volumes 307
7.8.13  Listing volumes mapped to the host
Use the lshostvdiskmap command to show the volumes that are mapped to the specific host, 
as shown in Example 7-24.
Example 7-24   The lshostvdiskmap command 
IBM_2145:ITSO_CLUSTER:superuser>lshostvdiskmap -delim , Siam
id,name,SCSI_id,vdisk_id,vdisk_name,wwpn,vdisk_UID
3,Siam,0,0,volume_A,210000E08B18FF8A,60050768018301BF280000000000000C
In the output of the command, you can see that only one volume (volume_A) is mapped to the 
host Siam. The volume is mapped with SCSI LUN ID 0. 
If no host name is specified as lshostvdiskmap command, it returns all defined 
host-to-volume mappings.
You can also use the lshostclustervolumemap command to show the volumes that are 
mapped to a specific host cluster, as shown in Example 7-25.
Example 7-25   The lshostclustervolumemap command
IBM_Storwize:ITSO:superuser>lshostclustervolumemap
id name           SCSI_id volume_id volume_name      volume_UID                       
IO_group_id IO_group_name
0  vmware_cluster 0       9         UNCOMPRESSED_VOL 6005076400F580049800000000000011 0           
io_grp0
7.8.14  Listing hosts mapped to the volume
To identify the hosts to which a specific volume was mapped, issue the lsvdiskhostmap 
command, as shown in Example 7-26.
Example 7-26   The lsvdiskhostmap command
IBM_2145:ITSO_CLUSTER:superuser>lsvdiskhostmap -delim , volume_B
id,name,SCSI_id,host_id,host_name,vdisk_UID
26,volume_B,0,2,Almaden,6005076801AF813F1000000000000020
This command shows the list of hosts to which the volume volume_B is mapped. 
Specifying the flag before the host name: Although the -delim flag normally comes at 
the end of the command string, you must specify this flag before the host name in this 
case. Otherwise, it returns the following message: 
CMMVC6070E An invalid or duplicated parameter, unaccompanied argument, or 
incorrect argument sequence has been detected. Ensure that the input is as per 
the help.
Specifying the -delim flag: Although the optional -delim flag normally comes at the end 
of the command string, you must specify this flag before the volume name in this case. 
Otherwise, the command does not return any data.