4. On the Resume Mirrored Protection display, select the disk unit that you just
replaced. It has a status of suspended.
5. Is the disk unit in an Independent ASP?
No Yes
↓ The disk unit that you selected will become active when the
Independent ASP is varied on.
This ends the procedure.
6. Are you in SST?
No Yes
↓ The disk unit that you selected will become active when the system is
operational.
This ends the procedure.
7. Perform the following:
a. Return to the Use Dedicated Service Tools (DST) display.
b. Perform an IPL.
Note: The disk unit you selected becomes active during the IPL.
This ends the procedure.
Disk Unit Data Save and Initialize
Note: To complete this procedure, you may need the latest set of Save System
(SAVSYS) or SAVSTG tapes that were made before the problem occurred.
You will also need three blank tapes.
1. Are you exchanging a disk unit because a disk unit failure caused system
operations to stop completely?
Yes No
↓ You may be able to use the Remove Units from Configuration
function of DST. This function allows you to move all data from the
disk unit you want to exchange, to the other disk units in the same
auxiliary storage pool (ASP).
Go to step 20 of this procedure.
2. Perform an IPL to dedicated service tool (DST) (see “Dedicated Service Tools
(DST)” in the iSeries Service Functions information).
Does the Use Dedicated Service Tools (DST) display appear?
Yes No
↓ If any messages regarding missing disk units appear, ignore the
message and go to step 3 of this procedure.
Repeat this step.
If the same system reference code (SRC) occurs again, the customer
data is not recoverable. Go to step 5 on page 904 of this procedure.
If a different SRC occurs, use it to correct the problem (see “Chapter 2.
Unit Reference Codes” on page 59).
This ends the procedure.
Data Recovery and General System Information
Chapter 6. Data Recovery Procedures and General System Information 903
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