Cisco Headend Digital Broadband Delivery System Guía De Instalación
Appendix A
SR 2.8.1/3.8.1/4.3.1 Rollback Procedures
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4036043 Rev B
Roll Back the DNCS
If your upgrade is unsuccessful, you may need to use the procedures in this section
to restore your system to its condition prior to the upgrade and then to reattach disk
mirroring on the DNCS.
Important: Be sure to notify Cisco Services before concluding that an upgrade has
failed and before following any of the procedures in this section. In many cases,
Cisco Services can help you easily resolve the problems related to the failed upgrade.
In addition, the procedures in this section apply only if you have not yet completed
the Re-Enable the Disk Mirroring Function (on page 88) procedure in Chapter 3. If
you have already enabled disk-mirroring on the DNCS, you will have to restore
your system using your latest file system and database backup tapes.
to restore your system to its condition prior to the upgrade and then to reattach disk
mirroring on the DNCS.
Important: Be sure to notify Cisco Services before concluding that an upgrade has
failed and before following any of the procedures in this section. In many cases,
Cisco Services can help you easily resolve the problems related to the failed upgrade.
In addition, the procedures in this section apply only if you have not yet completed
the Re-Enable the Disk Mirroring Function (on page 88) procedure in Chapter 3. If
you have already enabled disk-mirroring on the DNCS, you will have to restore
your system using your latest file system and database backup tapes.
Rolling Back the DNCS
Follow these instructions to roll back the DNCS from an unsuccessful upgrade to SR
2.8.1/3.8.1/4.3.1.
Note: You need to be at the CDE Login window to begin this procedure. If you are
unable to get to the CDE Login window, call Cisco Services for assistance.
1 In the
2.8.1/3.8.1/4.3.1.
Note: You need to be at the CDE Login window to begin this procedure. If you are
unable to get to the CDE Login window, call Cisco Services for assistance.
1 In the
Stop System Components (on page 42) section of Chapter 1, follow the
Stopping the Application Server (on page 42) and Stopping the DNCS (on page
43) procedures, if necessary.
43) procedures, if necessary.
2 From an xterm window on the Application Server, type shutdown -g0 -y -i0
and then press Enter. The system halts all processes on the Application Server
and an ok prompt appears.
and an ok prompt appears.
3 Insert the CD labeled DBDS Maintenance CD into the CD drive of the DNCS.
4 Log in to the DNCS as root user.
5 Open an xterm window on the DNCS.
4 Log in to the DNCS as root user.
5 Open an xterm window on the DNCS.
Note: You will have root permissions in the xterm window.
6 Type /cdrom/cdrom0/s3/backup_restore/make_d700_bootable and then press
Enter. A message appears that seeks confirmation to make bootable the disk
device that contains the old software.
device that contains the old software.
7 Type y and then press Enter. A message appears that seeks permission to reboot
the server.
8 Type y and then press Enter. The DNCS reboots.
9 Log in to the DNCS as root user.
9 Log in to the DNCS as root user.