Руководство По Установке для Cisco Headend System Release 2.7
Appendix C
SR 5.0 Rollback Procedures for the DVD Upgrade
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4035749 Rev B
Activate the Old System Release
Important: If you have already run the procedure under Attach Mirrors (on page
112), then use the procedures to restore the DNCS file system and the Informix
database using the DBDS Backup and Restore Procedures For SR 2.2 Through 4.3 User
Guide (part number 4013779). To restore the Application Server, simply power it
back on and boot the server. 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.
112), then use the procedures to restore the DNCS file system and the Informix
database using the DBDS Backup and Restore Procedures For SR 2.2 Through 4.3 User
Guide (part number 4013779). To restore the Application Server, simply power it
back on and boot the server. 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.
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 Follow the Attach Mirrors (on page 112) procedure.
9 Repeat steps 1 through 8 for any RNCS server(s) that need to be restored to their
7 Mount the DVD.
8 Follow the Attach Mirrors (on page 112) procedure.
9 Repeat steps 1 through 8 for any RNCS server(s) that need to be restored to their
original system release.
10 Power on the Application Server.
11 Type boot and press Enter.
11 Type boot and press Enter.