Cisco Headend Digital Broadband Delivery System Installation Guide
Roll Back the DNCS
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10 Open an xterm window on the DNCS.
Note: You have root permissions in the xterm window.
11 Type pkginfo -l SAIdncs and then press Enter. The system displays the version
of software now running on the DNCS.
12 Is the version of software running on the DNCS version 4.3.1.x?
If yes, continue the rollback by going to step 13; the DNCS successfully
rebooted with the old software in place.
rebooted with the old software in place.
If no, call Cisco Services for help in determining why the DNCS failed to
reboot with the old software in place.
reboot with the old software in place.
13 Type /cdrom/cdrom0/s3/backup_restore/make_d500_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.
14 Type y and then press Enter.
Results:
The make_d500_bootable script reconfigures the mirrored disks on the
DNCS.
DNCS.
A message appears that seeks permission to reboot the server
15 Type y and then press Enter. The DNCS reboots.
16 Log in to the DNCS as root user.
17 Type shutdown -y -g0 -i6 and press Enter to reboot the server again.
18 Log on to the DNCS as root user.
19 Open an xterm window on the DNCS.
16 Log in to the DNCS as root user.
17 Type shutdown -y -g0 -i6 and press Enter to reboot the server again.
18 Log on to the DNCS as root user.
19 Open an xterm window on the DNCS.
Note: You will have root permissions in the xterm window.
20 Type /cdrom/cdrom0/s3/backup_restore/mirrState -a and then press Enter. The
system displays the following message:
WARNING!
Proceeding beyond this point will ATTACH all d7xx submirrors.
Are you certain you want to proceed?
WARNING!
Proceeding beyond this point will ATTACH all d7xx submirrors.
Are you certain you want to proceed?
21 Type y and then press Enter. The system enables the disk mirroring functions on
the DNCS.
Note: Depending upon your system configuration, it may take up to an hour for
all of the data to become mirrored.
Note: Depending upon your system configuration, it may take up to an hour for
all of the data to become mirrored.
22 Type eject cdrom and then press Enter. The system ejects the CD.
23 Type exit and then press Enter. The xterm window closes.
24 Click EXIT on the toolbar to log out of the DNCS.
23 Type exit and then press Enter. The xterm window closes.
24 Click EXIT on the toolbar to log out of the DNCS.