Upgrading the load source disk unit without disk protection

 

This checklist shows the sequence of tasks to upgrade your load source disk unit (unit 1) with a disk unit that has at least a 17-GB capacity. The disk units that are replaced in this procedure are discarded.

Print a copy of this checklist. Check off the configuration tasks as you perform them. This checklist provides an important record of your actions. It may help you diagnose any problems that occur.

 

Load source planning steps

Answer the questions below. If you answer Yes to all of these questions, you can perform the Load source disk unit upgrade. However, if you answer No to any of the questions, call your next level of support to perform this upgrade.

Table 1. Load source planning steps
Load source planning steps Planning requirements answers

Is your loadsource unprotected?

Yes / No
Do you know how to physically install and remove disk units from your system?

Install and remove replacement disk units on a System i™.

Install and remove replacement disk units on an IBM® eServer™ i5.

Yes / No
Do you have iSeries™ Navigator or know how to find the physical location of disk units on your system? You will need to know this information in several tasks below. Yes / No
The load source upgrade will require multiple hours to complete. Make sure that you schedule the upgrade during a time frame when the system can be unavailable to perform normal system activities. Do you have time to perform the load source upgrade? Yes / No
Are you upgrading from release V5R2 or V5R3? Yes / No

 

Load source disk unit upgrade

If problems occur that are not described in this procedure, contact your next level of support.

Task What to do
1.___ Back up your system using the GO SAVE command.
2.___ Turn off your system or logical partition by entering the following command. 
PWRDWNSYS *IMMED RESTART(*NO)
The Power Down System (PWRDWNSYS) command prepares the system to end. Use the immediate (*IMMED) value to end all active jobs immediately and use the RESTART (*NO) value to power off the system so that you can install disk units in the next task.
3.___

Install the replacement disk units.

  1. Ensure that there are enough open disk slots under the IOA that contains the load source disk unit (unit 1).

  2. Install replacement disk units on your system.
    Notes:

    1. Ensure that the disk units being installed have the same capacity as one another and that each disk unit has at least a 17-GB capacity.

    2. IBM recommends that you mark these disk units with tape to remember their location. Mark these disk units differently than how you marked the existing disk units.
4.___ Work with Dedicated Service Tools (DST).

  1. Power on your system or logical partition to Dedicated Service Tools (DST).

    Verify that you are in manual mode before you power on your system.

5._

Copy the load source disk unit (unit 1) to the designated replacement disk unit.

  1. On the Use Dedicated Service Tools (DST) menu, select Work with disk units.

  2. On the Work with Disk Units display, select Work with disk unit recovery.

  3. On the Work with Disk Unit Recovery display, select Copy disk unit data.

  4. Type 1 next to load source disk unit (unit 1) and press Enter.

  5. Type 1 next to one of the disk units that you installed in task 3.

  6. Determine the location of the replacement load source disk unit.

    1. Open the iSeries Navigator Service Tools Window.

    2. Right-click All Disk Units and choose Graphical View.

    3. Find the disk unit with the serial number listed above, and note the location of that disk unit.

  7. Write down the serial number of the replacement disk unit that is going replace the load source.

    |_________|

  8. Press Enter in the Confirm Copy Disk Unit Data display.

  9. The status display shows how the operation is proceeding. When the function is complete, return to the Use Dedicated Service Tools (DST) menu.
6.___ Turn off the system or logical partition.

This task is critical. Follow the directions thoroughly.

  1. On the Use Dedicated Service Tools (DST) menu, select Start a service tool.

  2. On the Start a Service Tool display, select Operator panel functions.

  3. Use function F10 to power off the system and press Enter.

There is no command line because you are using Dedicated Service Tools.

7.__ Physically remove the disk units.

  1. Physically remove the load source disk unit (unit 1).

    You can identify which disk units are you removing from printout of the graphical view on your iSeries Navigator or from the disk units that you marked.

8.__ Move the replacement disk unit.

  1. Move the replacement disk unit that contains the load source information into the slot where the old load source disk unit (unit 1) originally resided.
9.__ Work with Dedicated Service Tools (DST).

  1. Power on your system or logical partition to Dedicated Service Tools (DST).
10.__ Examine the configuration.

  1. On the Use Dedicated Service Tools (DST) menu, select Work with disk units.

  2. On the Work with Disk Units display, select Work with disk configuration.

  3. On the Work with Disk Configuration display, select Display disk configuration.

  4. On the Display Disk Configuration display, select Display disk configuration status.

  5. Examine the configuration information to ensure that the load source disk unit (unit 1) is one of the replacement disk units that you installed in task 3.

  6. Verify that the load source serial number.
11.__ IPL your system to i5/OS®.

If this procedure has been completed correctly, your load source will be upgraded.

If this procedure has not been completed correctly, contact your next level of support.

 

Parent topic:

Disk management checklist
Related reference
Upgrading the load source disk unit with device parity protection Upgrading the load source disk unit with local mirroring using non-configured disk units Upgrading the load source disk unit with local mirroring using newly installed disk units