How to generate niminfo file on nim client
Issue Description: Got the following error while upgrading a nim client using nimadm on NIM master
rcp: /etc/niminfo: A file or directory in the path name does not exist.
0505-155 nimadm: Unexpected result from remote copying client's
/etc/niminfo file.

root@nimserver(/)# nimadm -j nimadmvg -c lpar1 -s SPOT61TL0 -l LPP61TL0 -d "hdisk1" -Y
Initializing the NIM master.
Initializing NIM client lpar1.
rcp: /etc/niminfo: A file or directory in the path name does not exist.
0505-155 nimadm: Unexpected result from remote copying client's
/etc/niminfo file.
Cleaning up alt_disk_migration on the NIM master.
root@nimserver(/)#

Solution:
On NIM Client
root@lpar1(/)#niminit -a name=lpar1  -a master=nimserver -a connect=nimsh
0513-059 The nimsh Subsystem has been started. Subsystem PID is 8192100.
root@lpar1(/)#

OR

# smitty niminit

Note: nimadm process was successful after generating niminfo file on nimclient (lpar1).

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Issue Description:  Got the following error while updating the TL of a client using NIM Server’s nim_alt_clone
0042-001 nim: processing error encountered on "master":
   0042-006 m_alt_disk_install: (From_Master) connect A remote host refused an attempted connect operation.

nconn: connect() failed, errno is 79
lpar8: A remote host refused an attempted connect operation.

Solution:
I have to recreate the nim info file on the client by running below:
root@lpar8(/)#niminit -a name=lpar8  -a master=nimserver -a connect=nimsh
0513-059 The nimsh Subsystem has been started. Subsystem PID is 7078026.
root@lpar8(/)#