IBM V7.2 - Manual (Page 20)

SAP R/3 with DB2 UDB and ESS Sample Configuration 14
lsdev –C | grep 2105
3. Use the ESS Command Line Interface command rsList2105s to display the
mapping of host physical volume name to ESS volume serial number for all disks
assigned to the host system:
cd /usr/opt/ibm2105cli
./rsList2105s.sh
4. Determine the SCSI paths and disks to be used for the SAP system, the DB2
database, and the DB2 logs.
5. Document the corresponding ldev’s <<logical devices??>> to be used for AIX
logical volumes .