G06.29 Software Installation and Upgrade Guide

Contents

G06.29 Software Installation and Upgrade Guide—542744-003

viii

14. Backing Out the DSM/SCM Revision

Before Backing Out the Revision 14-1

Start the Target Interface (ZPHITI) 14-2

Submit a Backout Request 14-3

Monitor the Backout Process 14-7

15. Returning Firmware to Previous Versions

Alerts 15-1

Returning Processor Boot Code to the Previous Version (Using TSM) 15-1

Determine the Correct Version of the Previous Processor Boot Code 15-1

Return the Processor Boot Code to the Previous Version 15-2

Returning SP Firmware to the Previous Version (Using TSM) 15-2

Determine the Correct Version of the Previous SP Firmware 15-2

Download the Previous SP Firmware File to the System Console 15-3

Return the SP Firmware to the Previous Version 15-3

Returning SCSI Boot Code to the Previous Version (Using TSM) 15-3

Determine the Correct Version of the Previous SCSI Boot Code 15-3

Return the SCSI Boot Code to the Previous Version (Using TSM) 15-4

Returning SP Firmware to the Previous Version (Using OSM) 15-5

Returning Boot Code Firmware to the Previous Version (Using OSM) 15-6

16. Running ZPHIRNM to Reactivate the Previous Software

Revision

Alerts 16-1

Drain the Spooler 16-1

Run ZPHIRNM 16-2

Using PREVIEW Mode

16-2

Run ZPHIRNM

16-2

Verify That ZPHIRNM Ran Successfully 16-3

17. Loading the Previous RVU and Resuming Normal

Operations

Alerts 17-1

Prepare to Stop the System 17-2

Halt the Processors 17-2

Remove Hardware Installed During Migration 17-2

Perform a System Load With the Previous SYSnn and CONFxxyy 17-3

Reload the Remaining Processors 17-3