How to change memory using dlpar in aix?

How to increase memory using dlpar in aix?

1. Ground work:

uname -L                                 --> To find the Lpar name and Lpar id.

lparstat -i                                --> To check current assigned memory (Desired memory)

prtconf -m                               --> To check the size of the memory

lsrsrc ibm.managementserver     --> To find the hmc details where the lpar belongs to.

Get the hscroot password to access the HMC for the DLPAR operation.

2. Implementation steps 

Login to the HMC using hscroot access

system management

            servers

                        select the frame

                                    Select the lpar

                                                Dynamic Logical Partitioning

                                                            Processor

                                                                        Add or remove

                                                                                    change the assigned memory

(change the size of the memory - increase upto Maximum memory limits or decrease upto Minimum memory level)

                                                                                                Click OK

We need to change the same in the partition profile so that when the LPAR is reactivated, it should start with the new value.

Select the Lpar

            Configuration

                        Manage profile

                                    Select the default profile last activated

                                                Action

                                                            Edit

                                                                        Now change the desired memory value 

                                                                                    Click OK

                                   

4. Validation

lparstat -i                                        --> To check the output of the memory. (Check online memory)

prtconf -m                                       --> To check the size of the memory.