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<h1 class="topictitle1">Checklist 11: Upgrade load source disk unit with device parity protection</h1>
<div><p>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 while
keeping device parity active. The units that are replaced in this procedure
are discarded.</p>
<p>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.</p>
<div class="section"><h4 class="sectiontitle">Before you begin</h4><p>Evaluate your <a href="rzalygraphview.htm">disk
configuration</a> and record your answers. The information entered in the
Before you begin table is needed to answer the questions in the Load source
planning sections. </p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption>Table 1. Disk configuration questions</caption><thead align="left"><tr valign="bottom"><th valign="bottom" width="78.97435897435898%" id="d0e30">Disk configuration questions</th>
<th valign="bottom" width="21.025641025641026%" id="d0e32">Disk configuration answers</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="78.97435897435898%" headers="d0e30 ">How many disk units are in the parity set that contain
the load source disk unit?<div class="note"><span class="notetitle">Note:</span> The parity set will contain between 3-18 disk
units.</div>
</td>
<td valign="top" width="21.025641025641026%" headers="d0e32 ">&nbsp;</td>
</tr>
<tr><td valign="top" width="78.97435897435898%" headers="d0e30 ">Where are the disk units in the parity set that contain
the load source disk unit located?<div class="note"><span class="notetitle">Note:</span> It is recommended that you print the
graphical view of the device parity set or optionally mark the disk units
in the parity set. Make sure that you can identify the load source unit separately
from the other disk units. </div>
</td>
<td valign="top" width="21.025641025641026%" headers="d0e32 ">&nbsp;</td>
</tr>
<tr><td valign="top" width="78.97435897435898%" headers="d0e30 ">How many replacement disk units do you have?<div class="note"><span class="notetitle">Note:</span> You
need a minimum of three disk units with the same capacity.</div>
</td>
<td valign="top" width="21.025641025641026%" headers="d0e32 ">&nbsp;</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Load source planning steps</h4><p>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. </p>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption>Table 2. Load
source planning steps</caption><thead align="left"><tr valign="bottom"><th valign="bottom" width="79.08163265306123%" id="d0e66">Load source planning steps</th>
<th valign="bottom" width="20.918367346938776%" id="d0e68">Planning requirements answers</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="79.08163265306123%" headers="d0e66 ">Does your load source disk unit (unit 1) have device
parity protection?</td>
<td valign="top" width="20.918367346938776%" headers="d0e68 ">Yes / No</td>
</tr>
<tr><td valign="top" width="79.08163265306123%" headers="d0e66 ">Are there enough open slots to install your replacement
units? <div class="note"><span class="notetitle">Note:</span> The number of slots must be at least the same number of open
slots as the number of disk units that you have in the parity set that contain
the load source. It must also be under the IOA that contains your load source
disk unit (unit 1).</div>
</td>
<td valign="top" width="20.918367346938776%" headers="d0e68 ">Yes / No</td>
</tr>
<tr><td valign="top" width="79.08163265306123%" headers="d0e66 ">Do you have equal or more replacement disk units than
the number of disk units in the device parity set that contain the load source
disk unit?</td>
<td valign="top" width="20.918367346938776%" headers="d0e68 ">Yes / No</td>
</tr>
<tr><td valign="top" width="79.08163265306123%" headers="d0e66 ">Do you know how to physically install and remove disk
units from your system?<p><a href="../rzame/rzamecif.htm">Install
and remove</a> replacement units on an IBM<sup>®</sup> iSeries™ server.</p>
<p><a href="../icbase/iphal/iphalcifdiskdrive.htm">Install</a> and <a href="../icbase/iphal/removediskos400.htm">remove</a> replacement units
on an IBM eServer™ i5.</p>
</td>
<td valign="top" width="20.918367346938776%" headers="d0e68 ">Yes / No</td>
</tr>
<tr><td valign="top" width="79.08163265306123%" headers="d0e66 ">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.</td>
<td valign="top" width="20.918367346938776%" headers="d0e68 ">Yes / No</td>
</tr>
<tr><td valign="top" width="79.08163265306123%" headers="d0e66 "><img src="./delta.gif" alt="Start of change" />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?<img src="./deltaend.gif" alt="End of change" /></td>
<td valign="top" width="20.918367346938776%" headers="d0e68 ">Yes / No</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section"><h4 class="sectiontitle">Load source disk unit upgrade</h4></div>
<div class="note"><span class="notetitle">Note:</span> If problems occur that are not described in this procedure, contact
your next level of support.</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="border" border="1" rules="all"><thead align="left"><tr><th align="left" valign="top" width="8.207705192629817%" id="d0e140">Task</th>
<th align="left" valign="top" width="91.79229480737018%" id="d0e142">What to do</th>
</tr>
</thead>
<tbody><tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">1.___</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">Back up your server using the <a href="../rzaiu/rzaiurzaiu200.htm">GO SAVE command</a>.</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">2.___</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">Turn off your system or logical partition by entering
the following command.<pre>PWRDWNSYS *IMMED RESTART(*NO)</pre>
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.</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">3.___</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 "><p>Install the replacement disk units.</p>
<ol><li>Ensure that there are enough open disk slots under the IOA that contain
the load source disk unit (unit 1).</li>
<li>Install replacement units on your system.<div class="note"><span class="notetitle">Note:</span> <ol type="a"><li>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.</li>
<li>It is recommended 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.</li>
</ol>
</div>
</li>
</ol>
</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">4.___</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">Work with Dedicated Service Tools (DST).<ol><li>Power on your system or logical partition to Dedicated Service Tools (DST).<div class="note"><span class="notetitle">Note:</span> Verify
that you are in manual mode before you power on your system.</div>
</li>
</ol>
</td>
</tr>
<tr><td align="left" valign="top" width="8.207705192629817%" headers="d0e140 ">5.___</td>
<td align="left" valign="top" width="91.79229480737018%" headers="d0e142 "><p>Start device parity on the replacement
disk units, and select the type of RAID protection that you want.</p>
<ol><li>On the Use Dedicated Service Tools (DST) menu, select <span class="uicontrol">Work
with disk units</span> </li>
<li>On the Work with Disk Units display, select <span class="uicontrol">Work with disk
configuration</span>.</li>
<li>On the Work with Disk Configuration display, select <span class="uicontrol">Work with
device parity protection</span>.</li>
<li>On the Work with Device Parity Protection display, select <span class="uicontrol">Start
device parity protection</span>. You may select RAID 5 or RAID 6 protection. <div class="note"><span class="notetitle">Note:</span> RAID
6 protection requires special hardware. If your hardware does not meet the
requirements, it will default to RAID 5 protection.</div>
</li>
<li>Type a 1 in the Option column of the storage subsystems that will have
device parity protection.</li>
<li>You are shown the Confirm Starting Device Parity Protection display. The
display shows all the disk subsystems that you have selected and the individual
disk units that are eligible to be started. Disk units that have an asterisk
(*) in the ASP and Unit columns are not yet configured. Verify that these
disk units are the ones installed in task 3 and that the ASP and unit number
all have an asterisk (*).</li>
<li>Press the Enter key to continue.</li>
<li>After you have verified that these disk units are the replacement units
that you installed in task 3, press the Enter key, to start device parity
protection. This procedure continues to run until it is complete.</li>
<li>The status display shows how the operation is proceeding. When the function
is complete, return to the Use Dedicated Service Tools (DST) menu.</li>
</ol>
</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">6.___</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 "><p>Add the non-configured disk units into the auxiliary
storage pools.</p>
<ol><li>On the Use Dedicated Service Tools (DST) menu, select <span class="uicontrol">Work
with disk units</span>.</li>
<li>On the Work with Disk Units display, select <span class="uicontrol">Work with disk
configuration</span>.</li>
<li>On the Work with Disk Configuration display, select <span class="uicontrol">Work with
ASP configuration</span>.</li>
<li>On the Work with ASP Configuration display, select <span class="uicontrol">Add units
to ASPs</span>.<div class="note"><span class="notetitle">Note:</span> Add all but one of your disk units. The disk unit
that remains unconfigured will be used as your load source in task 9.</div>
</li>
<li>Decide which ASP will include the new disk units. Type this ASP number
beside each of the new units on the screen and press Enter.</li>
<li>On the <span class="uicontrol">Confirm Add Units</span> display, press Enter.</li>
<li>The status display shows how the operation is proceeding. When the function
is complete, return to the Use Dedicated Tools (DST) menu.</li>
</ol>
</td>
</tr>
<tr><td align="left" valign="top" width="8.207705192629817%" headers="d0e140 ">7.___</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 "><p>Locate the load source disk unit (unit 1) and all other disk units
in the parity set that you will be upgrading.</p>
<ol><li>On the Use Dedicated Service Tools (DST) menu, Select <span class="uicontrol">Work
with disk units</span>.</li>
<li>On the Work with Disk Units display, Select <span class="uicontrol">Work with disk
configuration</span>.</li>
<li>On the Work with Disk Configuration display Select <span class="uicontrol">Display
disk configuration</span>.</li>
<li>On the Display Disk Configuration display Select <span class="uicontrol">Display device
parity status</span>.<div class="note"><span class="notetitle">Note:</span> If the status on the disk
units in the parity set does not say Active, do not continue with this procedure.
Contact the next level of support.</div>
</li>
<li>Find the parity set that contains the load source disk unit (unit 1).</li>
<li>Record the disk units that are in its parity set. Your load source disk
unit (unit 1) is already recorded for you. Recording this information is helpful
for the next step.<div class="note"><span class="notetitle">Note:</span> There could be up to 18 disk units.</div>
<p>|__1__|_____|_____|_____|_____|_____|_____|_____|_____|</p>
<p>|_____|_____|_____|_____|_____|_____|_____|_____|_____|</p>
</li>
<li>Return to the Use Dedicated Service Tools (DST) menu.</li>
</ol>
</td>
</tr>
<tr><td align="left" valign="top" width="8.207705192629817%" headers="d0e140 ">8.___</td>
<td align="left" valign="top" width="91.79229480737018%" headers="d0e142 "><p>Remove the disk units that were recorded
in task 7, step 6 from the configuration.</p>
<ol><li>On the Use Dedicated Service Tools (DST) menu Select <span class="uicontrol">Work with
disk units</span>.</li>
<li>On the Work with Disk Units display, select <span class="uicontrol">Work with disk
configuration</span>.</li>
<li>On the Work with Disk Configuration display, select <span class="uicontrol">Work with
ASP configuration</span>.</li>
<li>On the Work with ASP Configuration display, select <span class="uicontrol">Remove
units from configuration</span>. </li>
<li>Type a 4 next to each disk unit that you want to remove from the configuration.
Select the disk units that were recorded in task 7, step 6 and press Enter.<div class="note"><span class="notetitle">Note:</span> You
will not be able to select load source disk unit (unit 1). You will remove
the load source in task 11.</div>
</li>
<li>On the<span class="uicontrol"> Confirm Remove disk units</span> display, press
Enter . </li>
<li>The status display shows how the operation is proceeding. When the function
is complete, return to the Use Dedicated Service Tools (DST) menu.</li>
</ol>
</td>
</tr>
<tr><td align="left" valign="top" width="8.207705192629817%" headers="d0e140 ">9.___</td>
<td align="left" valign="top" width="91.79229480737018%" headers="d0e142 "><p>Copy the load source disk unit (unit 1)
to one of the replacement disk units that you installed in task 3.</p>
<ol><li>On the Use Dedicated Service Tools (DST) menu, select <span class="uicontrol">Work
with disk units</span>.</li>
<li>On the Work with Disk Units display, select <span class="uicontrol">Work with disk
unit recovery</span>.</li>
<li>On the Work with Disk Unit Recovery display, select <span class="uicontrol">Copy disk
unit data</span>.</li>
<li>Type 1 next to load source disk unit (unit 1) and press Enter.</li>
<li>Type 1 next to one of the disk units that you installed in task 3.</li>
<li>Determine the location of the replacement load source unit.<ol type="a"><li>Open the iSeries Navigator
Service Tools Window.</li>
<li>Right-click All Disk Units and choose Graphical View.</li>
<li>Find the disk unit with the serial number listed above, and note the location
of that unit.</li>
</ol>
</li>
<li>Write down the serial number of the replacement unit that is going replace
the load source.<p>|_________|</p>
<div class="note"><span class="notetitle">Note:</span> This information in iSeries Navigator
and is needed for task 14.</div>
</li>
<li>On the <span class="uicontrol">Confirm Copy Disk Unit Data</span> display, press
Enter .</li>
<li>The status display shows how the operation is proceeding. When the function
is complete, return to the Use Dedicated Service Tools (DST) menu.</li>
</ol>
</td>
</tr>
<tr><td align="left" valign="top" width="8.207705192629817%" headers="d0e140 ">10.__</td>
<td align="left" valign="top" width="91.79229480737018%" headers="d0e142 ">Turn off the system or logical partition.<div class="note"><span class="notetitle">Note:</span> This task is critical. Follow the directions thoroughly.</div>
<ol><li>On the Use Dedicated Service Tools (DST) menu, select <span class="uicontrol">Start
a service tool</span>. </li>
<li>On the Start a Service Tool display, select <span class="uicontrol">Operator panel
functions</span>. </li>
<li>Use function F10 to power off the system and press Enter.</li>
</ol>
<div class="note"><span class="notetitle">Note:</span> There is no command line because you are using Dedicated Service
Tools.</div>
</td>
</tr>
<tr><td align="left" valign="top" width="8.207705192629817%" headers="d0e140 ">11.__</td>
<td align="left" valign="top" width="91.79229480737018%" headers="d0e142 ">Physically remove the disk units.<div class="p"><ol><li>Physically remove the disk units that you recorded in task 7, step 6,
and the load source disk unit (unit 1).<div class="note"><span class="notetitle">Note:</span> 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.</div>
</li>
</ol>
</div>
</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">12.__</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">Move the replacement disk unit.<div class="p"><ol><li>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.</li>
</ol>
</div>
</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">13.__</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">Work with Dedicated Service Tools (DST).<ol><li>Power on your system or logical partition to Dedicated Service Tools (DST).</li>
</ol>
</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">14.__</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">Examine the configuration.<ol><li>On the Use Dedicated Service Tools (DST) menu, select <span class="uicontrol">Work
with disk units</span>.</li>
<li>On the Work with Disk Units display, select <span class="uicontrol">Work with disk
configuration </span>.</li>
<li>On the Work with Disk Configuration display, select <span class="uicontrol">Display
disk configuration</span>.</li>
<li>On the Display Disk Configuration display, select <span class="uicontrol">Display
disk configuration status</span>.</li>
<li>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.</li>
<li>Verify that the load source serial number matches the number that you
wrote in task 9, step 7.</li>
</ol>
</td>
</tr>
<tr><td valign="top" width="8.207705192629817%" headers="d0e140 ">15.__</td>
<td valign="top" width="91.79229480737018%" headers="d0e142 ">IPL your system to i5/OS™.</td>
</tr>
</tbody>
</table>
</div>
<p>If this procedure has been completed correctly, your load source will be
upgraded and device parity protection will be active.</p>
<p><img src="./delta.gif" alt="Start of change" />If this procedure has not been completed correctly, contact
your next level of support.<img src="./deltaend.gif" alt="End of change" /></p>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzalychecklist.htm">Choose the correct procedure for configuring disks</a></div>
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