Checking physical & Logical volumes or LPARS in AIX 7.1

To check Physical Volumes run below commands
lspv

To obtain a list of all the physical volumes known to a node and to find out the volume groups to which they belong, use the lspv command. If you do not specify the name of a volume group as an argument, the lspv command displays every known
physical volume in the system.

lspv hdisk2


To check Logical Volumes run below commands
 
To check the state of logical volumes defined on the physical volumes, use the lspv -l command and specify the logical name of the disk to be checked.

As shown in the following example, you can use this command to determine the names of the logical volumes defined on a physical volume.

lspv -l hdisk2




Thanks

for more details https://www.ibm.com/support/knowledgecenter/en/SSPHQG_7.2/trouble/ha_trgd_check_log.html