[How-To] Add, Remove CD/DVD ROM from LPAR Dynamically

Safe way to Move/Remove the CD/DVD ROM from LPAR using DLPAR Operation:

On the LPAR find out where the CD/DVD-ROM is assigned:

# lsdev -Cc cdrom

cd0   Available  03-08-00   SATA DVD-ROM Drive

# lsdev -Cl cd0 -F parent

sata0

# lsdev -Cl sata0 -F parent

sissas0

# lsslot -c slot

# Slot Description Device(s)

HEA 17 Logical I/O Slot lhea1 ent0

U789D.001.DQD52DG-P1-T1   Logical I/O Slot pci4 usbhc2 usbhc3

U789D.001.DQD52DG-P1-T3   Logical I/O Slot pci3 sissas0

U9117.MMA.6534BE4-V4-C0   Virtual I/O Slot vsa0

U9117.MMA.6534BE4-V4-C4   Virtual I/O Slot vscsi0

U9117.MMA.6534BE4-V4-C8   Virtual I/O Slot vscsi1

U9117.MMA.6534BE4-V4-C22  Virtual I/O Slot vscsi3

U9117.MMA.6534BE4-V4-C24  Virtual I/O Slot vscsi4

# lsdev -Cc cdrom -F "name physloc"

cd0 U789D.001.DQD52DG-P4-D1

Remove the slot from this host:

# rmdev -dl pci3 -R

cd0 deleted

sissas0 deleted

sata0 deleted

pci3 deleted

Then from HMC — go to –> Dynamically Logical Partitioning –> Physical Adapters –> Remove the controller and then assign to another partition.