How
to perform the mksysb restore from nim?
Pre-check:
Ø
Get the latest mksysb image of your client onto the NIM server.
Ø
Ensure you have the location details of the root disk; disk onto which you have
to restore mksysb. Select the correct root disk, donot select the data disk,
this shall destroy the data on the data disk.
Ø
Confirm the client is defined, if not define the client
Installation
Instructions:
1.Define your
client in the NIM Master -> #smitty nim_mkmac
2. Get the mksysb
image of your client to the NIM Master
3. Creation of
Resource using the Mksysb of your Client --> #Smitty nim_mkres
4. Smitty
nim_task_inst.-->
Install the Base Operating System on Standalone Clients
5. Select your
client
6. Choose the
Mksysb as Installation type
7. Choose the
resource which is created by your mksysb image
8. Choose the Spot
which is higher than your Client
9. Change
"Initiate reboot and installation now?" to "no"
10. The following
steps are optional if the hardware is similar . The steps are required if new
hardware drivers will be needed. If you aren't sure, do the steps.
a. choose the 61TL01_lpp_source
b. set "ACCEPT new license
agreements" to "yes"
c. set "ACCEPT new license
agreements" in the "installp Flags" section to "yes"
11. Reboot your
Client and Get into SMS mode, start your restoration
12. Press 1 to get into the SMS menu,
13.In the SMS menu
the first screen , we have 3 options
14.Select the
option 3, Utilities,
15.Select option
“Remote Initial Program Load Setup” ,
16.Enter the IP
parameters,
17.Specify the
Client IP ( IP of the server on which the mksysb image will be restored ),
Server IP ( IP of the NIM Server ), Check if the subnet mask is correct.
Specify, gateway if needed. Perform a ping test
18. Come back to
the menu, by pressing X,
19. Select the
option Multiboot,
20. Select Boot
Device, and select the Ethernet card
Exit from SMS menu by pressing X, the server
(a.k.a NIM client) would try to connect to the NIM server, once the packet
count starts it means that the NIM client is connected and receiving the
packets from the NIM master.
We get the boot
screen now, Press 1
Accept the language
as English, Press 1 now,
Select 0,
You may change the
settings by selecting the right number,
Once selected it
comes back to the main menu,
The installation
would start now
This progress can
also be monitored on the NIM Master, lsnim –l < clinet
hostname>
Once done, the
system should reboot automatically
Verification
/ Post-check:
Ø Make sure the
server is accessible from the network (ssh and telnet should work)
Ø All the Volume
groups should be varied On
Ø Confirm all the
file systems are mounted
Ø Check all the
logins are working fine
Ø Make sure all the
required services are running
Ø Get the
confirmation from the application team that everything working fine.
Backout:
There is no backout
for ‘mksysb restore’; it is itself a backout. Perhaps the mksysb restore of the
previous image could be a backout in this case.
