IBM iSeries 270 Service Manual page 565

b. Slide the disk unit you found out of the system. (See "Remove and replace procedures" on page
2.)
c. Be very careful with the disk unit. You will install it again when the service actions to the failing
load-source disk unit are complete.
d. Install the new disk unit.
5. Perform an IPL to DST. (See Dedicated Service Tools (DST) in the iSeries Service Functions
information.) Does the Use Dedicated Service Tools (DST) display appear?
v Yes: Continue with the next step.
v No: Repeat step 1 (See page 552).
6. From the Use Dedicated Service Tools (DST) display, perform the following to format and initialize the
disk drive that you installed in step 4 (See page 552).
a. From the Use Dedicated Service Tools (DST) display, select Work with disk units—>Work with
disk unit recovery—>Disk unit problem recovery procedures—>Initialize and format disk
unit.
b. Select the nonconfigured unit that you installed in step 4 (See page 552) as the unit to work with.
c. Press F10 to verify the initialization and formatting. The initialization and formatting may take 30
minutes or longer to complete.
7. Return to the Work with Disk Unit Recovery display and perform the following to copy data from the
load-source disk unit to the disk drive you installed in step 4 (See page 552).
a. Select Copy disk unit data.
b. Select the load-source disk unit (disk unit 1) as the unit to copy.
c. Select the nonconfigured unit that you installed in step 4 (See page 552) as the unit to copy to.
d. The console displays the percentage of the data copied. Write down the number of unreadable
pages if it displays; you will use it later in this procedure.
e. Wait until the status of the copy is Complete. Customer data is not recoverable if one of the
following occurs.
v The copy operation does not complete.
v There is a large number of unreadable pages to copy from the disk unit.
Continue with the next step.
8. Perform the following to remove the failing load-source disk unit from the system:
a. Power off the system.
b. Find the load-source disk unit. Slide the disk unit out of the system. (See "Remove and replace
procedures" on page 2.)
9. Perform the following to move the new disk unit into the load-source disk unit location:
a. Slide the disk unit at the location you found in step 4 (See page 552) out of the system. (See
"Remove and replace procedures" on page 2.) Be very careful with the disk unit. It contains the
load-source data.
b. Install the new disk unit into the location that used to contain the load-source disk unit.
10. Install the disk unit that you removed in step 4 (See page 552).
11. Were any pages unreadable during the copy operation (see step 7 (See page 553))?
v No: The system is ready for the next IPL.
This ends the procedure.
v Yes: Perform an IPL from removable media and restore the Licensed Internal Code. (See
Restoring Licensed Internal Code in the iSeries Service Functions
Analyze hardware problems
553