Cisco Headend System Release 2.5 Guida All'Installazione
Appendix C
SR 5.0 Rollback Procedures for the DVD Upgrade
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Activate the Old System Release
Important: If you have already run the procedure under Attach Mirrors (on page
116), then use the procedures to restore the DNCS and Application Server file
systems and the Informix database in DBDS Backup and Restore Procedures For SR 2.2
Through 4.3 User Guide (part number 4013779). Complete the procedures in this
appendix for any other upgrade path.
Follow this procedure to restore the system software that was in place prior to the
unsuccessful upgrade to SR 5.0.
1 Write down the version of the system release you are trying to restore.
116), then use the procedures to restore the DNCS and Application Server file
systems and the Informix database in DBDS Backup and Restore Procedures For SR 2.2
Through 4.3 User Guide (part number 4013779). Complete the procedures in this
appendix for any other upgrade path.
Follow this procedure to restore the system software that was in place prior to the
unsuccessful upgrade to SR 5.0.
1 Write down the version of the system release you are trying to restore.
__________________________
2 If necessary, stop all system components.
Example: For instance, as dncs user, type appStop to stop the Application
Server processes and type dncsStop to stop the DNCS processes.
Server processes and type dncsStop to stop the DNCS processes.
3 From the root xterm window on the DNCS, type the following command and
then press Enter. The system resets the default boot device to the original disk.
eeprom boot-device=disk:a
4 Type the following command and then press Enter. The system reboots and
activates the old software.
shutdown -y -g0 -i6
Important: Do not use the reboot or halt command to reboot the server.
5 Log on to the DNCS as dncs user.
6 Log on to an xterm window as root user.
7 Mount the DVD.
8
6 Log on to an xterm window as root user.
7 Mount the DVD.
8
Follow the Attach Mirrors (on page 116) procedure.
9 Repeat steps 1 through 8 for any Application Server or RNCS server(s) that need
to be restored to their original system release.