IBM i 830 Repair Manual page 913

Was the disk unit exchanged successfully using the concurrent maintenance
procedure?
No Yes
↓
Go to step 8 of this procedure.
6. The following criteria was met which is why you are here:
v The concurrent repair of the local load source disk unit did not succeed.
v The system has remote mirrored load source protection.
Ask the customer to stop all applications that are running on the system and
power the system off with the Power Down System (PWRDWNSYS) command.
Was the local load source disk unit exchanged using the dedicated
maintenance procedures?
No Yes
↓
Go to "Recover Remote Load Source" on page 917.
This ends the procedure.
7. Exchange the failing local load source disk unit by using the dedicated
maintenance procedures for the model or FC that you are working on (see
"Chapter 4. Removal and Installation Procedures" on page 617).
After exchanging the disk unit, go to "Recover Remote Load Source" on
page 917.
This ends the procedure.
8. Perform the following:
a. Select System Service Tools (SST).
If you cannot get to SST, select DST (see "Accessing Dedicated Service
Tools" in the iSeries Service Functions ).
Note: Do not IPL the system to get to DST.
b. Select the Work with disk units option.
c. Select the Display disk configuration option.
d. Select the Display non-configured units option.
Does the disk unit you just exchanged appear as a non-configured unit on the
display?
Yes No
↓
It can take up to 5 minutes for the IOP to report the device to the
system. Wait a few minutes. Then, press F5 to refresh the display.
When the disk unit you just exchanged appears as a non-configured
unit on the display, continue with the next step of this procedure.
9. Format and initialize the disk unit by doing the following:
a. Select the Work with disk units option on the Service Tools display.
b. Select the Work with disk unit recovery option on the Work with Disk Units
display.
c. Select the Disk unit problem recovery procedures option on the Work with
Disk Unit Recovery display.
d. Select the Initialize and format disk unit option on the Disk Unit Problem
Recovery Procedures display.
e. On the display, select the disk unit you just installed.
Chapter 6. Data Recovery Procedures and General System Information
Data Recovery and General System Information
899