Cisco Headend System Release 2.7 Installation Guide
Chapter 3 Customer Information
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4012763 Rev B
Roll Back the RNCS Software
Introduction
If your upgrade of RNCS software is unsuccessful, you may need to use the
procedures in this appendix to restore your system to its condition prior to the
upgrade.
Note: For this procedure to work, you must not yet have reattached the disk
Note: For this procedure to work, you must not yet have reattached the disk
mirrors.
Important: Be sure to notify Cisco Services before concluding that an upgrade has
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.
Rolling Back the RNCS Software
Complete the following steps to roll back from an unsuccessful upgrade of RNCS
software.
Note: You should still be remotely logged in to the RNCS server with root
Note: You should still be remotely logged in to the RNCS server with root
permissions.
1 Type eeprom boot-device=disk:a and then press Enter. The system resets the
1 Type eeprom boot-device=disk:a and then press Enter. The system resets the
boot device.
2 Type shutdown -y -g0 -i6 and then press Enter. The system reboots using the
disks containing the old software.
Important! Do not use the reboot or halt command to reboot the server.
Important! Do not use the reboot or halt command to reboot the server.
3 After the server reboots, log on as dncs user.
4 Type pkginfo -l SAIlionn and then press Enter. Verify that the old software is
4 Type pkginfo -l SAIlionn and then press Enter. Verify that the old software is
in place.
5 Type siteCmd < hostname of server > lionnStart and then press Enter. The
system starts the lionn processes.
6 Go to
Attaching Mirrors (on page 51).