IBM iSeries 270 Service Manual page 563

20. Return to the Display Disk Configuration display and select Display disk configuration capacity.
Does the % Used field for the disk unit to be removed show an asterisk (*)?
v No: Continue with the next step.
v Yes: You cannot use the Remove Units from Configuration function. Go to step 2 (See page 546).
21. Return to the Work with Disk Units display and perform the following:
a. Select Work with disk unit recovery—>Disk unit problem recovery procedures—>Analyze
disk unit surface.
b. Select the disk unit to analyze.
c. Press F10 to analyze the disk unit surface.
d. Wait until the Analyze function is complete. This will take several minutes.
Is the number of pages with errors zero?
v Yes: Continue with the next step.
v No: You cannot use the Remove Units from Configuration function. Go to step 2 (See page 546).
22. Return to the Work with Disk Units display and perform the following:
a. Select Work with disk configuration—>Work with ASP configuration—>Remove units from
configuration.
b. Select the disk unit to be removed. If the disk unit does not display, go to step 2 (See page 546).
c. If the Confirm Continuation display appears, press Enter to continue. Wait for the next display.
d. If there is enough storage in the ASP, the Confirm Remove Disk Units display appears. If there is
not enough storage, an error message display appears.
Does any error message display appear?
v No: Continue with the next step.
v Yes: Go to step 2 (See page 546).
23. Press Enter to verify the Remove Disk Units function.
The Remove Disk Units function takes several minutes. When it is complete, a message will appear
stating whether it was successful.
Was the Remove Disk Units function successful?
v No: Go to step 2 (See page 546).
v Yes: Continue with the next step.
24. On the Work with ASP Configuration display, select Display disk configuration capacity. Press F11
twice to display non-configured units.
Is the unit you removed shown as a non-configured unit?
v No: Go to step 2 (See page 546).
v Yes: Continue with the next step.
25. You can exchange the disk unit at a later time because the disk unit is removed from the
configuration. Do you want to exchange the disk unit now?
v Yes: Continue with the next step.
v No: This ends the procedure.
26. Power off the system and exchange the failing disk unit. (See "Remove and replace procedures" on
page 2.)
27. Format and initialize the new disk unit by doing the following:
a. Perform an IPL to DST. See Performing an IPL to DST in the iSeries Service Functions
information.
Analyze hardware problems
551