Checklist 17: Actions for independent auxiliary storage pool disk failure

The checklist shows the sequence of steps to use to recover after an independent auxiliary storage pool (ASP) failed, but no data was lost. Independent ASPs are used in a high availability environment.

This checklist can be used for the following problem situation:

Failed unit
Disk unit in independent ASP
Data loss
None
User ASP is configured
Yes

Before you begin your recovery, make a copy of this checklist. Complete the appropriate areas as you and the service representative run the recovery steps. This checklist provides an important record of your recovery actions. It can help you to diagnose any problems that occur after the recovery. It might also be useful in evaluating your backup strategy.

Most steps in the checklist include references to other topics in this document. Refer to the following topics if you need more information about how to run a particular step. You might not need to run some steps, such as restoring changed objects, if they do not apply in your situation.

Table 1. Recovering from a disk failureChecklist 17
Task What to do Where to read more about it
The service representative runs the following actions
___ Task 1 Save the disk unit data.  
___ Task 2 Attach a new disk unit.  
___ Task 3 Restore data to the new disk unit.  
The user runs the following actions
___ Task 4 Vary on the independent ASP. Use the Vary Configuration (VRYCFG) command or the IBM Navigator for i interface to vary on the independent ASP.