Thanks for your help @stuart wade and @Nezih Boyacioglu
@stuart wade - The client has not yet given authorization to carry out this procedure.
@Nezih Boyacioglu - The FS5200 do not allow firmware upgrades without upgrading the disks. I tested to upgrade to 8.5.0.12 and it immediately returned an error.
Build version 250725_0603
******************* Warning found *******************
The upgrade utility has detected that the Call Home function has not been configured
to automatically report configuration data and errors to IBM.
This prevents IBM from automatically initiating corrective actions on detected problems.
Please see the following web page for details:
http://www.ibm.com/support/docview.wss?rs=591&uid=ssg1S1004537
******************* Warning found *******************
This tool has found the internal disks of this system are not running the recommended firmware versions.
Details follow:
+----------------------+-----------+------------+------------------------------------------+
| Model | Latest FW | Current FW | Drive Info |
+----------------------+-----------+------------+------------------------------------------+
| 101406B0 | 3_1_15 | 3_1_2 | Drive 0 in slot 1 in enclosure 1 |
| | | | Drive 1 in slot 3 in enclosure 1 |
| | | | Drive 2 in slot 4 in enclosure 1 |
| | | | Drive 3 in slot 2 in enclosure 1 |
+----------------------+-----------+------------+------------------------------------------+
We recommend that you upgrade the drive microcode to the latest firmware at an appropriate time.
If you believe you are running the latest version of microcode,
then check for a later version of this tool.
You do not need to upgrade the drive firmware before starting the software upgrade.
******************** Error found ********************
The system identified that one or more drives in the system
are running microcode with a known issue and a fix is available.
The following flashes (alerts) are appropriate for your drives:
* Please see the following web page for details:
https://www.ibm.com/support/pages/node/6989587
The following drives are affected by this issue.
Drive IDs:
0, 1, 2, 3
Results of running svcupgradetest:
==================================
The tool has found 1 errors and 2 warnings.
None of these issues will prevent the software upgrade from being started.
Please review any warnings and errors to make sure it is safe to upgrade.