G06.31 Software Installation and Upgrade Guide

Contents

G06.31 Software Installation and Upgrade Guide—544626-002

viii

15. Backing Out the DSM/SCM Revision

Before Backing Out the Revision 15-1

Start the Target Interface (ZPHITI) 15-2

Submit a Backout Request 15-3

Monitor the Backout Process 15-7

16. Returning Firmware to Previous Versions

Alerts 16-1

Returning Processor Boot Code to the Previous Version (Using TSM) 16-1

Determine the Correct Version of the Previous Processor Boot Code 16-1

Return the Processor Boot Code to the Previous Version 16-2

Returning SP Firmware to the Previous Version (Using TSM) 16-2

Determine the Correct Version of the Previous SP Firmware 16-2

Download the Previous SP Firmware File to the System Console 16-3

Return the SP Firmware to the Previous Version 16-3

Returning SCSI Boot Code to the Previous Version (Using TSM) 16-3

Determine the Correct Version of the Previous SCSI Boot Code 16-3

Return the SCSI Boot Code to the Previous Version (Using TSM) 16-4

Returning SP Firmware to the Previous Version (Using OSM) 16-5

Returning Boot Code Firmware to the Previous Version (Using OSM) 16-6

17. Running ZPHIRNM to Reactivate the Previous Software

Revision

Alerts 17-1

Drain the Spooler 17-1

Run ZPHIRNM 17-2

Using PREVIEW Mode 17-2

Run ZPHIRNM 17-2

Verify That ZPHIRNM Ran Successfully 17-3

18. Loading the Previous RVU and Resuming Normal

Operations

Alerts 18-1

Prepare to Stop the System 18-2

Halt the Processors 18-2

Remove Hardware Installed During Migration 18-2

Perform a System Load With the Previous SYSnn and CONFxxyy 18-3

Reload the Remaining Processors 18-3

Resume Normal Operations 18-4